Harley Evo Performance HeadsHarley-Davidson Twin Cam Heads Flow Bench Study Harley-Davidson began manufacturing the 88 cubic inch Twin Cam engine for the 1999 suitable levels for most mild performance upgrades, but many head porters still prefer the old style when high performance results are desired. Eastern Performance Cycles is an aftermarket motorcycle store specializing in Harley Davidson parts and accessories. The different shape of the exhaust port also aids in the intake and expulsion processes and any exhaust system that can bolt up to stock heads will fit on the S & S heads because the exhaust port is located in the. Our heads offer the best value for your money. From humble beginnings in 1967, JIMS® has grown into one of the industry leaders producing performance parts, accessories, tools, transmissions, and high-performance engines all aimed at enhancing the Harley rider's experience. PERFORMER RPM™ CNC MACHINED CYLINDER HEADS. Harley discovered the highly rebuildable Evolution engine otherwise known as the Evo engine back in 1984. Ported heads from S&S Cycle can greatly improve your Harley's performance. and if i do how will it effect low, mid range power. Ductile iron Step-Lock guides are fitted and topped off with high quality Viton® seals and a performance spring kit. From camshafts, pushrods and valves to piston kits, lifters and big bore kits, we provide only the highest quality products from some of the most distinguished manufacturers in the industry. qi wmg Completely American-made and cast from '356' aircraft-quality aluminum heat-treated to T6' and then machined and assembled by some of the biggest names in the industry. It was made in the 1,340 cc (82 cu in) displacement for Harley-Davidson Big V-twins bikes, replacing the Shovelhead engine until 2000 when the last EVO was . These engines for your Harley make over 130 horsepower and 130 foot pounds of torque, which is more than enough to make riding two up a breeze. Heads come complete and assembled with high quality components that include titanium retainers and 7° valve locks. Used, second-hand Harley-Davidson EVO 1340 Engine parts. 9" diameter intake valves and 1. S&S Performance Replacement Low Compression 82cc Cylinder Heads For 1984-'99 . Power potential is over 100 horsepower with a 80”. FOR SALE! THIS AUCTION IS FOR WHAT IS SHOWN IN THE PICTUREUSED . The EVO Street Fighter is the first step in power for your 80” Motor. More power thru the rotating assy. 7988 - Iron Hawg Custom Cycles Inc. In dragracing, our cylinders have been the first in the 10's-9's-8's-7's and 6's. 1 package involves a complete rebuild and blueprinting of the stock OEM castings. 899 Axtell and Dytch have had a large presence at Bonneville from the Cal Rayborn piloted streamliner to Aaron Wilson using our aluminum street cylinder to break 200 m. No crankcase machining required. Heads come up with larger than stock 1. Standard bore (or) 3 5/8" bore. Valve Spring Kit P/N 18223-98 is used and can accommodate. Working within the existing RPM range of the stock engine (idle to 5500 rpm). Comes with performance large intake manifold to suit Super e style carbs. Dyno Tuning with an emphasis on part throttle tuning, fuel mileage and a clean burn. of torque, revving faster than you can see! This is not only for your father’s touring bike—this is a rip-it-up, blast-around-town, Saturday-night-in-the-city kind of performance package. 55 to 65 HP Up to $750 Stage One Evolution Harley-Davidson engines involve no internal changes made to the. Our CNC Porting and Complete CNC Head Packages include oversize valves and performance valve springs designed to work hand-in-hand with our big bore kits, or for standard bore applications. Big Bore Kit Harley Davidson Evo 1340 80 To 83. This is a set of high performance heads for the 1884 to 1990 Harley Davidson Evolution motors that don't use head breathers. Dramatically improves horsepower and torque with an amazing sound. We have experienced Harley-Davidson remanufactured engines, JIMS machine remanufactured transmissions and upgrades, and now something new for an Evo rebuild. v1 All joking about size aside, it does matter. HD's Stage 2 chip usually runs around $225. The leader in performance motorcycle parts for Harley-Davidson® motorcycles and the powersports industry. Make sure this fits by entering your model number. zlm Way beyond the off the shelf performance of other bolt on hp heads. They feature Kevlar friction plates and hardened steel drive plates. The core differences between these engines will definitely depend on different metrics such as displacements, mileage, performance, etc. Core exchange is available on Twin-Cam heads. PROVIDING HARLEY PERFORMANCE PARTS FOR. S&S Performance Replacement Cylinder Head Kit for Harley Davidson 1984-99 Evo Big Twin engines - One Size S&S Cycle 910-0651 Bolt-In Sidewinder 4in. s&s harley replacement engines - cylinder head porting - harley performance parts - dc v-twin perfor An SS cycle engine is the best choice when it comes to replacing your worn out stock harley engine and DCV-Twin is the only place to shop for your harley replacement engine. Hamster's 200,000-plus miles Evo engine to Bennett's Performance for a solid, aftermarket rebuild. an Complete, large displacement engines bring exhilarating performance and show-ready looks to your ride. Base price billet 113" motor $8,905. To download a copy of our Retail Price List, CLICK HERE. We carry more Harley-Davidson products than any other aftermarket vendor and have them all at the lowest guaranteed prices. th Improve your engine's airflow with aftermarket Harley Cylinder Heads from Dennis Kirk. p56 3j 90f Performance Kits 100/110", 124/128" Power Package 131" Cylinder & Piston Kits Lower End Flywheels for M8 Models Engines T143 Engines for 1999-'17 Big Twins Exhaust El Dorado Touring Exhaust System Mk45 Touring Mufflers Grand National Touring Slip-On Mufflers S&S Sidewinder® 2 Into 1 Exhaust Systems and Shadow Pipes. We offer a full range of porting services for Evolution style cylinder heads, whether they be stock castings, S&S, Screamin' Eagle, STD, Rev Tech, Edelbrock, or any other set of heads you might have on your Harley. Plus, this construction makes it robust and reliable sure to last you years of cruising. Includes 10:1 Wiseco pistons and rings, Black finish cylinders and a complete top end gasket set for Harley Davidson Big Twin Evolution 1340 1985 – 1999. Stage 4 Performance Kit (80″ EVO): Our most popular 80″ Evo performance package, capable of producing 90+ horsepower and 90+ ft. Stock 1340 EVO heads Manley Stainless Steel Performance Valves - cost $160. Bolt in, broad power band for both stock heads or built up engines alike! TW-777. Includes 10:1 Wiseco pistons and rings, Black finish cylinders and a complete top end gasket set for Harley Davidson Big Twin Evolution 1340 1985 - 1999. zk3 In compliance with ARB emissions laws, this product is not sold or shipped to California. ra Nikasil Big Bore Kit Harley Davidson Evo 1340 100. Manufactured for closed course competition. The re-designed combustion chamber, optimized for flow and efficiency, works with stock or Hi-Compression Forged Piston Kits. 5:1 forged pistons, pins, clips, rings, aluminum nickel-silicon carbide plated 3. Contact us: 800-969-7501; As low as 0% APR for 12 months with; Dennis Kirk Inc. We have experienced Harley-Davidson Re-mans of engines, JIMS machine re-mans and transmission upgrades, and now for something new for an Evo rebuild . Each section covers a specific subassembly of an EVO motor. 09) today when you shop RevZilla for your S&S Cylinder Heads For Harley Big Twin Evo 1984-1999! Free Shipping, Lowest Price Guaranteed & Top of the Line Expert Service. Perfectly compliments many of the bolt-in torque cams available. Harley Cylinder Heads At Dennis Kirk, you will find the best selection of Harley-Davidson Cylinder Heads. 605" diameter exhaust valves and give increased flow compared to stock Harley heads. Our products have set hundreds of performance records and milestones. The hemi combustion chamber and center location of the spark plug as well as less spark advance allow compression to increase from the stock 9:1 to over 11:1. Twin Cam, EVO, EVO XL, Buell and aftermarket heads. Harley Davidson Precision Engine Rebuilding: As we are well known and respected for our "Hot-Shot" Hi-Performance Engines and Performance Packages many are unaware of our abilities in rebuilding your T/C, EVO or Shovel/Pan Head engine to original condition or installing a performance package as it is being rebuilt. CVN intake ports add high velocity and CFM, raised floor D-shaped exhaust ports, CNC combustion chambers and you have a set of cylinder heads that will make 100 horsepower. S&S Cycle Silver Cylinder Heads for Evolution EVO w/ Stock Style Pistons 84-99. Use of Screamin' Eagle Spark Plugs P/N 32320-91 when flat-top pistons are used or P/N 32321-91 with high. Looking for a Custom Harley Performance Shop? T-Man Performance is your source for high quality Harley performance parts and upgrades. This engine came as a replacement for the Shovelhead engine till the year 2000. These cylinder heads can be used with stock 3 1/2" bore, as well as 3 5/8. The Harley Davidson EVO Crate Motor Basically, the Harley Davidson EVO Crate Motor which is commonly known as Evo is a V-twin engine which is manufactured by HD Company for its popular bikes. We offer expert, professional, cylinder work for every head at our Stage II level and up, we flow check and modify as need be to establish our flow target numbers for your builds. Get free shipping, 4% cashback and 10% off select brands with a RPM Membership, plus free everyday tech support on aftermarket Harley-Davidson Cylinder Heads & motorcycle parts. The bike seems okay and is a price of £650. The average cost of labor can range from $2,000 to-4,000. 1340cc 80ci to 83 cubic inch Bolt-on big bore kit. To get great performance out of any engine, the components must work together. Available in Natural Silver or Black Wrinkle. From humble beginnings in 1967, JIMS® has grown into one of the industry leaders producing performance parts, accessories, tools, transmissions, and high-performance engines all aimed at enhancing the Harley rider’s experience. We are a full service machine shop specializing in Harley® engines. v3 These are the before runs of several bikes. Bolt in, broad power band especially with flowed heads or compression increases! TW-888. JIMS Engines Every design element and every part of JIMS 120" and 131" Race Engines have been developed and optimized to produce a balanced, durable and very powerful racing engine. Increase your torque 35% and your horsepower by 42% with the Edelbrock® package of Performer™ and Performer RPM™ aluminum cylinder heads and intake manifolds. I just acquired two hard Shovelhead saddlebags. 45 to 50 HP Stock Evolution Engines are the starting point for all the modifications. Best 3-step performance exhaust to suit Harley-Davidson motorcycle. Evolution - Pro Street - $1000 CVN intake ports add high velocity and CFM, raised floor D-shaped exhaust ports, CNC combustion chambers and you have a set of cylinder heads that will make 100 horsepower. 3zf (It also covers shovelheads in some depth. 600" lift cam; Short Block Charlie's specializes in cylinder head and performance services for Harley-Davidson. You can get an incredible variety of specialized parts, including high performance cases, pistons, valves, heads and cams for shovelheads. Performance parts for Harley-Davidson (TM) motorcycles. EVO Engines 85-99 Part # 3069 $ 229. 650˝ valves without changing the seats making a serious but economic option for that budget build. The newly designed Harley-Davidson Evo engine relied on aluminum heads and cylinders - as opposed to the heavy cast iron parts of the Shovelhead (their previous Big Twin bike V-Twin engine) and other predecessors, such as the Sportsters' Ironhead engine, led to a light weight engine with improved air-cooling efficiency. u36 EVO AND TWIN CAM 80CI TO 131CI ENGINES 1983 ON. Screamin' Eagle®/Öhlins® Remote Reservoir Rear Shocks for Harley-Davidson Touring models were designed for Screamin' Eagle® Factory Team race bikes. 900” intake valves, ovate wire valve springs that will support 0. 1991-2003 (5-Speeds) and 1995-2002 Buell. Advertisement Keep in mind that there are varying bolt patterns available to support oversized bores in aftermarket cases and cylinders from most all manufacturers. sl 5mm kit for Sachs 504 and 505 engines. I am a small one man shop specializing in performance head-work for Harley-Davidson ® engines only. ) 1986-2011 Includes: Forged high performance pistons (skirt coated) rings, clips, pins 1200 Evo Sportster (73 cu. Since the early 1980's, the Edelbrock Total Power Package System has solved the parts matching puzzle for many street performance enthusiasts. S&S EVOLUTION BIG TWIN SUPER STOCK CYLINDER HEADS. lq 060" wide on the exhaust valves and. 00 (includes oversized valves) Twin Cam - ACR Stage 2 heads - $1050. e4 However, keep in mind that this price tag does not include the cost of labor. The original engines of most 50cc two-wheelers are not very powerful, and since performance can be increased with quite simple means and little money, the step to replace stock parts with tuning parts is obvious. Head Modifications for the Discriminating Harley® Enthusiast I offer a myriad of custom Harley Davidson® cylinder head preparation levels, each with numerous options to meet with your individual requirements. Harley cylinder head porting specialists. About Evo Harley Performance Heads. The main difference between the two engines, beyond displacement issues, is the 132/139 EVO ORCAS are full eight bolt heads with base studs whereas the 113 EVO ORCAS are standard four bolt stud designs. EVO Big Twin, 1984 - 1999 FITS. General Harley Davidson Chat - EVO performance/S&S heads question - My recently purchased '97 FXDWG has S&S heads and carburetor. Math told me that the exhaust port and valve on the Evolution heads were enough for 80"-96" engines used on the street and years of porting Evos have proven it. Manufacturer of Performance billet aluminum TOP ENDS (heads, cylinders and rocker boxes) for Shovelhead, PanShovel and TwinCam motorcycles Speed And Science Ltd. Back in 1999, JPrecision was the first shop in the industry to design and build the tooling and fixtures to correctly disassemble, realign and reassemble the Twin Cam flyweels assembly. Top 10 Quick Harley-Davidson Performance Upgrades How to improve V-twin suspension, brake, and chassis performance Parts / July 5, 2017 January 2, 2022 / By Hot Bike Staff. Superb best EVO pair heads to date, 300cfm @600 lift 230 cfm exhaust. smk Zipper's Stage III CNC Ported Evolution Heads #517-562 Zipper's Stage III EV-CNC Parts and Labor (customer provided heads) - $ 874. With a stock of more than 250,000 used motorcycle parts, Boonstra Parts is the motorcycle is the disassembly specialist of The Netherlands. S&S Cycle SS106-4270 89cc Cylinder Head Kit Silver for Twin Cam 99-05 w/88ci Engine. HARLEY DAVIDSON AFTERMARKET PERFORMANCE EXHAUSTS SYSTEMS. we took some time and did in fact put our heads together, and under much scrutiny of our editors we have listed a countdown to performance nirvana and in what order in which to do so. 05 Fully adjustable for preload and compression/rebound damping, with a remote reservoir for optimal performance and style. Find many great new & used options and get the best deals for Harley davidson Late Evo Preformance Cylinder Heads, at the best online prices at eBay! Find many great new & used options and get the best deals for Harley davidson Late Evo Preformance Cylinder Heads, at the best online prices at eBay! Performance Air Filter BMC FM452/08 Late. As bikes were brought to the shop in. Valve stem clearance is fit to. This is a high quality upgrade for a budget build!. 1t We offer three different levels of performance and machining. SCREAMIN' EAGLE EVOLUTION 1340 CYLINDER HEADS* Built right at the factory for unparalleled quality. iz Exactly the same cylinder heads as S&S uses in their complete 1,340cc/80CI V-Series engines. The Evolution, also known as the Evo or Blockhead engine, was a complete revamp of the Big Twin. 49 US per set as shown above with all new parts and labor. As a result, working with it seem super easy with less effort required. Evo & Twin Cam 84-04, Xl 86-03, Buell 95-02 Milwaukee Eight Twin Cam 05-17, Xl 04-17, Xr 1200 09-17. In 1969, S&S moved from Blue Island to establish a new headquarters in Viola, Wisconsin. Also available are reconditioned stock heads. - S&S Cycle Black Super Stock Cylinder Head kit for 1984-1999 Harley EVO 90-1504. Click Here to complete your Job Order Sheet. Welcome to "Eyeball Engineering ®" I am a small one man shop specializing in performance head-work for Harley-Davidson ® engines only. is an American motorcycle engine and parts manufacturer that was founded in 1958 in Blue Island, Illinois. The page buttons at left will guide you through all the parts and or services we currently offer. Stock (Rebuild to factory specifications) . This head features oversized 1. a44858-Thumb-1993-Harley-Davidson-Softail-Rear-View-. Here's a look at the technical elements and developments that allowed the 80-cu. 95 Pricing and availability subject to change without notice. 2017-2021 HARLEY MILWAUKEE 8 ENGINES & 2007 - up TWIN CAM ENGINES. Complete port jobs starting at just $299. They work with stock pistons and valve train components (cam lifts up to. These are cast numbers 16720-84 for the rear and 16721-84 for the front cylinder. FITS 1984-1999 Harley EVO Big Twin Models. Available to customer supplied OEM Harley castings. HD Street Performance, Harley Davidson motorcycle head porting and engine packages. Due to the design of the heads, the rivets needed to be removed for clearance . Use these shocks to dial in your ideal combination of handling and ride. Eastern Performance Cycles is your one-stop shop for everything required to get your Harley-Davidson running at it's maximum capability. The head gasket surface will be skim decked to assure a true/flat sealing surface. Installing Edelbrock's Performer Cylinder-Head Package. r3r zpj Love Harley-Davidson Shovelheads and owned a couple. This head has substantially higher low-lift flows for unreal torque increases and is capable of producing over 90 horsepower in an 80” engine (same head used in our 80/80 kit). Bolt on some ground-poundin' power. My name is Jim Libonati, I am the owner and sole operator. In addition you may want to bring your Shovel into the 21st century with not only improved performance but the ability to make power equivalent to the more recent Evo and Twin Cam engines. The V124 Harley replacement engine has a 4 1/8 inch bore and a 4 5/8 inch stroke. Great upgrade for all EVO heads including SE, S&S and other aftermarket heads. 95 NEW CASTINGS (non exchange) $2080. s9r We rebuild them stronger than new! Crank rebuilding. Performer heads are street legal in 50 States. In 1990 Dave Mackie high-performance heads were on the Easyrider© Streamliner when it became the World's Fastest Motorcycle at 322+ MPH and it is still the World’s fastest Harley-Davidson. Why do Harley engines shake? Yes, it is normal. Comes with performance large intake manifold to suit Super e style . Alex Fields' 1998 Evo - Photo by Liam Kennedy. Also See: Harley & After Market Harley Parts - Custom Handmade Fabricated Harley Parts - Harley Motorcycle Service. S&S Performance Replacement Cylinder Head Kit for Harley Davidson 1984-99 Evo Big Twin engines - One Size. Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties Corrugated Ribs Prevent Flashover Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer Copper Core Aids in Heat Removal Triple Seals Prevent Leakage. Phone: 909-594-7969 Email: [email protected] NGK spark plug for EVO 1340 and Shovelheads. 580") for true, bolt-on performance. Your choice of Manganese Bronze of close grain cast iron "big top" valve guides, EV8 stainless steel valves and high performance valve spring assemblies set. His extensive experience in drag racing, street mods, dyno tuning, cylinder head porting & building big inch motors has provided him with the know-how to customize your Harley engine mods in all RPM ranges according to the way you like to ride. 00 5 angle valve job Set spring height for. That's the best price I've seen. I started in house dynamometer testing in 1986 and cylinder head. Anything from street to full on race. Preparing Harley Davidson Evolution Cylinders and Heads To Go In For Super High Performance Porting, Polishing and Reshaping of . CLICK YOUR ENGINE TYPE TO SEE PRODUCTS AND SERVICES Click on any Text Block below for more info. ddd Harley engines tend to shake. All of our heads have been flow bench and dyno tested to give you the most performance for your money. The head gasket surface is decked for . Ev Stage 1- These heads receive Zipper’s Stage I Performance Valve Job, 1. Bolt in, mid range to top end power with increased compression. Cylinder Heads This what a stock EVOLUTION combustion chamber looks like with stock sized valves. Twin Cam, EVO, Sportster - Stage 1 port and polish service - $550. However, as performance is tuned you may need to upgrade your cylinder heads to match the upgrade. ja Rev Tech® Cylinder Heads for Evolution® Big Twin and Sportster® Models True 'bolt-on' race-quality high-performance heads for street bikes. Revolution Performance also offers a complete line of CNC maintenance services such as seat and guide replacement and CNC Valve Jobs. To save the company once again, Harley-Davidson needed to evolve. Twin Power TP10181-HB Cylinder Head & Base Gasket Kit 17-19 Harley M8 124 128. Ev Stage 1- These heads receive Zipper's Stage I Performance Valve Job, 1. z6s 4 valve heads can dramatically increase engine breathing and with no other modifications, engine horsepower and torque increase by 15 to 20 percent, with gains everywhere in the RPM range but it's especially dramatic above 4000 RPM. And in 1984, they did just that with the release of the Harley Evolution engine. T-Man Performance provides Horsepower solutions for M8, Twin Cam, CVO, Sportster and EVO Motors. The only way to validate what the performance gain was for any change is to have dyno runs before and after. S&S Cycle Cylinder Heads For Harley Big Twin Evo. Let's see what more makes this comparison a neck to neck battle: Displacement. Ready for bolt-in installation in the Original Equipment-style chassis of your '17-Later Touring bike. 900” intake valve and stock exhaust. The S&S T143 Long Block engine for Harley- Davidson® models is the largest S&S engine that will fit in a stock Harley- Davidson® chassis. Makers of High-Performance Heads, Pistons, Cylinders, and Cams for Harley-Davidsons. For 1984 & Later Harley-Davidson®. rb Catalog #1604, 1606, 1607, 1624, 16041 & 16061. Cometic's three-piece head gaskets are held together with a pair of rivets. Here’s a look at the technical elements and developments that allowed the 80-cu. Motorcycle at 322+ MPH and it is still the World's fastest Harley-Davidson. HIGH FLOWING Ports and a SPECIAL SHAPED COMBUSTION CHAMBER is what makes these Heads & Pistons produce POWER! let Paul know your stroke and what compression ratios are available?. hj These heads flow much better than stock, with our focus on port velocity we have created heads for better overall power and ride-ability. Where do I ship my heads? HD Street Performance 1915 111th Ave East Edgewood, WA 98372 253-691-5893. These are great entry level performance heads for 2006-2017 Twin Cam engines. vz ) 1988-2003 & 1100 Evo Sportster 1986-1987. HARLEY EVO CYLINDER HEADS FRONT REAR 1340cc EVOLUTION 80ci ENGINE CASE BREATHER - $185. 5:1 compression pistons - Cost $250. i6 610" exhaust), seats, guides, seals, springs, retainers and keepers fully assembled, ready to install. Shovels & Pans are by no means excluded, but they usually require repairs that make pricing impossible without having them in hand. 1200 Performer Cylinder Heads for Evolution® Sportster® have superior flow for maximum power. Designed and machined in the Pacific NorthWest. Rich is able to get a huge amount of horsepower out of a set of heads and he customs taylors each set to the bike they go on. FORGED WÖSSNER PISTON KITS FOR HARLEY DAVIDSON® 2012 PISTON KITS FOR HARLEY-DAVIDSON® 883 Evo Sportster to 1200cc & Overbore to 1200cc (73 cu. ) Also, Branch published a booklet early in the evo era . These heads work well with up to 113 ci engines. A tell tail sign for the tight crank is a couple squeaks from down low when the engine is shut off. World's top manufacturer of performance camshafts, lifters, valve springs, rocker arms and related valve train parts for all race and street performance engines Evo Big Twin (1984-2006) - Harley Davidson - Camshafts - Products. Performance and Technical information on cylinder heads, valves, valve sizes, valve springs, port size, port shapes and compression ratios for Harley-Davidson . zr7 Evolution Cylinder Heads Evolution - Pro Street - $1000. Modified engines will see even bigger gains. the question is now is it worth getting performance valves or S. Click Here for all the details on these amazing kits. Complete with stainless steel valves (1. ce BRAND NEW PART #: 90-1504FITS: Harley 1984-1999 Evo Big Twin modelsThese S&S® Super Stock® cylinder heads for 1984-'99 HD® Evolution® Big Twin engines . Performer aluminum cylinder heads provide a substantial power increase while working within the existing RPM range of the stock engine (idle to 5500 rpm). : 40,000 kms +) should also have the lifters replaced at the same time as the camshaft. 5:1 forged pistons when used with Screamin' Eagle 1340 Cylinder Heads are designed to produce high compression ratios for full race applica. Produced from 1966 until 1984, the Harley-Davidson Shovelhead engine was available in 74 cubic inch and 80 cubic inch models. The Evolution engine (popularly known as Evoand sometimes as Blockhead ) is an air-cooled, 45-degree, V-twin engine manufactured from 1984 by Harley-Davidson for the company's motorcycles. Twin Cam engines have the same intake valve as an Evolution engine, yet the exhaust valve on the Twin Cam is smaller than the Evos, and the Twin Cam is 88 cubic inch. Full Machine Shop and Machining Services. Therefore, it helps to lower the weight of a motorbike as compared to those made of cast iron materials. Purpose This is the perfect package for the performance enthusiast on a budget that is just looking to improve the torque output, smoothness, and longevity of the motor. To locate a Wood Performance Dealer near you, just give us a call at 205-525-4949 or email us at [email protected] Dave Mackie Engineering headwork was a key component in Bob "Rat" Taft's Harley-Davidson powered motorcycle when it became the world's "First 8-Second. In 1981, a group of HD executives and investors pooled together and bought the MOCO back from AMF with a mission to bring the brand back to its glory. New Harley Evolution Engines? Sort of, Harley didn't have the best patent on the Evo and this allowed the aftermarket to produce engines based on the Evo eng. Dan Vance Racing has been providing performance options for Harley Davidson motorcycles for over 40 years. But their engines have quite a few well-known and documented mechanical issues. 1159 East State Road 44 , Shelbyville Indiana United States 46176. Harley Evo Heads Performer RPM™ heads are for early models with 4 speed transmission and late models with 5 speeds. From a simple rebuild to a complete assembly from scratch, if you're a rider or shop owner looking to do more work. xzy HD also made changes to the valvetrain and crankcase breathing that affected the cylinder heads. Since 1980 it's been my full-time effort to build more power into Harley-Davidsons. Finally the biggest and most powerful Evolution engine from S&S Cycle is the V124. Screamin Eagle heads on EVO 1340. Hazleton, PA 18201 - We Are Not Doing Restorations At This Time. This high performance cylinder head modification package includes:. Intake manifolds, camshaft kits, cylinder heads and carburetors are the core of the Power Package. Exchange program and install options. Also dyno runs on 100ci S&S engines netted 100hp at the rear tire after initial break in. 95 The Revolution Performance Velocity CNC Cylinder Head Package was developed on the flow bench, dyno and street to increase power and torque on 85" to 92" EVO engines. This head came off an 80 CID engine that produced 101 horsepower. These options range from stock heads that are milled for additional compression to their Hurricane competition heads. (mill heads to set compression ratio using stock Harley castings). For 1991, the Evolution Sportster got a new 5-speed transmission. Manley Beehive spring kit,collars and retainers 600 lift compatable. The manifold will accept 1-7/8" S & S, Bendix, Keihin (except CV) and other performance carburetors with 2 bolt flange style mount. When you're ready to step up to a fully ported set of heads for your Evo Big Twin, trust your heads to the pros at NRHS. Showing 1-30 of 51 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low. 00 An incredible value, the NRHS Stage 1 Big Twin heads deliver a big improvement in torque and horsepower without taking a big bite out of your wallet!. Dave Mackie Engineering headwork was a key component in Bob "Rat" Taft's Harley-Davidson powered motorcycle when it became the world's "First 8-Second Evolution Harley-Davidson Motorcycle" powered by gasoline. Valves, new guides and 7mm conical springs. engineered cylinder heads come in. Whether you're building your dream bike from the ground up one bolt at a time, or replacing the V-twin on your battle-scarred Harley, J&P has complete Harley-Davidson engines ready to send you. jh Works well on all stock block twin cams. I prepare cylinder heads for Pan Heads®, Shovelheads®, Iron and Evolution Sportsters®, Evolution Big Twins® and, of course, the newest Twin Cam® motor. 5:1 forged pistons when used with Screamin’ Eagle 1340 Cylinder Heads are designed to produce high compression ratios for full race applica. Fast Lane Head Work is the only specialist Harley Davidson head porting shop in the UK, and is dedicated to bringing you the very best in performance products and services for Harley Davidson Twin Cam, Evo & Sportster engines. Suburban Motors Harley-Davidson® located in Thiensville, Wisconsin, features a large inventory of new & pre-owned Harley-Davidson motorcycles, parts, and MotorClothes as well as offering financing, service, and riding courses. MAKE YOUR M8 SOUND LIKE THIS! STAR RACING IS YOUR ONE-STOP RELIABLE SOURCE FOR MORE HORSEPOWER! HOME OF THE M8 30/30 AND 3/4 CAMS AND TWIN CAM TORKSTAR AND THRASHER CAMS!. Performance and Technical information on cylinder heads, valves, valve sizes, valve springs, port size, port shapes and compression ratios for Harley-Davidson motorcycles. Performer RPM™ heads are for early models with 4 speed transmission and late models with 5 speeds. Top 10 Quick Harley-Davidson Performance Upgrades How to improve V-twin suspension, brake, and chassis performance. From hot-spark ignitions to performance cams, TP has what you need to get rolling. Proven to be a leader in Horsepower solutions for Harley Davidson engines, we provide custom performance upgrades for M8, Twin Cam, Evo and Sportster motors. S&S Cycle offers premium aftermarket performance engines & engine kits for Harley-Davidson motorcycles. mb Harley performance parts (Heads, Cylinders and Rocker Boxes) for Shovelhead and TwinCam,. (All our Stage 2 services includes oversized valves) Throttle body porting - $150. T143 Engines for 1999-'17 Big Twins. The head gasket surface is decked for flatness before final assembly. Let’s see what more makes this comparison a neck to neck battle: Displacement. Much more than just a ported set of heads, the E80 SS1. How to Power Tune Harley Davidson 1340 Evolution Engines Harley-Davidson EVO, Hop-Up & Rebuild Manual, is a must-have for anyone who wants to put wrench to an EVO V-Twin. 2012 marks the 23nd year that Lee has been professionally porting Harley cylinder heads. Head Porting and Dyno Tuning are our specialties. 5:1 compression ratio with stock pistons. 8ey The engine ain't dead by any means, and is considered by many to be the best motor Harley Davidson ever made. Head Services (Stock rebuilding to complete Pro Race heads). Don't expect that out of a 100ci Harley EVO. HIGH FLOWING Ports and a SPECIAL SHAPED COMBUSTION CHAMBER is what makes these Heads . This kit combines our exclusive ductile iron big fin cylinders with forged pistons featuring thermal barrier and clearance control coatings, for the power and durability you demand. These cylinder heads can be used with stock 3 1/2" bore, as well as 3 5/8" Big Bore with stock style flat topped pistons. Harley-Davidson Complete Engines. Not looking for a racing setup just good dependable heads at His Cylinder head work is unreal for a dependable up grade on EVO and TC . Baisley Hi-Performance Head Service Head modifications and machining Head Services (Stock rebuilding to complete Pro Race heads) Stock (Rebuild to factory specifications) SuperStock (Focused on adding low-end and mid-range torque) ProStreet (Focused on mid-range to upper RPM HP) Hybrid (Raised intake ports, maximum effort applied for. These heads are designed to be used with stock flat top pistons. Available for Twin Cam, Evolution, Shovelhead & other models. Engines like the Harley Evo vs Twin Cam are large and powerful engines that are used all over the world. The Revolution Performance Velocity CNC Cylinder Head Package was developed on the flow bench, dyno and street to increase power and torque on 85" to 92” EVO . Search on the left-hand side for your desired used parts and order these online directly. Twin Cam Head Porting Packages BLUEPRINT $275-$345. Parts, Service, Repair, & Performance For Harleys 1903 & UP. S&S Cycle Natural Super Stock Cylinder Heads for Harley Evolution Big Twin EVO. Evo kits start at $2995, Twin Cam kits from $3099. Broad power band on 80ci -131ci EVO & Twin Cam Engines all models. Delkron, S&S Cycle, T-Man Performance, and R&R Cycle all have purpose designed heads for the twin cam with S&S providing EVO, EVO Sportster Shovelhead and Panhead replacements. Bob Taft of Rat’s Whole Place was running DME ported heads when his drag bike became the World's First 8-Second Evolution Powered Drag Bike. 1340cc BIG TWIN CYLINDER HEADS For EVOLUTION® MODELS Stock Style Evo Heads include seats and guides installed. The head diameter has been increased by 20 percent to 1. When installed properly, additional airflow and performance can be expected. Originally, Jim Thiessen worked as a machinist with the aerospace industry. It was made in the 1,340 cc (82 cu in) displacement for Harley-Davidson Big V-twins bikes, replacing the Shovelhead engine until 2000 when the last EVO was placed in a production factory custom FXR4 (FXR2 and. 64mm throttle body and cast manifold. zk1 The Shovelhead was designed in part to produce more power and higher performance to make up for the increased weight of new Harley-Davidson motorcycle models. 00 and the Power Commander is usually around $450. Our main focus in our performance head design has been dependability. This article covers a couple of directions. d8 Performance, Parts, & Services for Harley-Davidson and other American made v-twin motorcycles. Evolution Industries Stage-1 Clutch Kits set the standard for clutch performance. Case boring for oversize cylinders; Cam lobe clearance; Breather gear hole repair. can twin cam heads and jugs be fitted to an evo engine,if so how big a modification is it to do the job. We will repair or replace any merchandise that is found to be defective in material or workmanship within one year (1 year) of the purchase date. 5:1 compression pistons, Mikuni HSR-42 Now it come to the heads, i had a mate do a 5 dergee angle valve job. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance. Performance Machine Classic Rear Caliper Kit For Harley Dyna 1991-1999. The EVO Street Fighter is the first step in power for your 80" Motor. Call us today for all your Harley performance needs! (256) 735-4520 or (256) 352-4420. of torque, revving faster than you can see! This is not only for your father's touring bike—this is a rip-it-up, blast-around-town, Saturday-night-in-the-city kind of performance package. Delkron stands behind every product we sell. of seat pressure, stainless steel valves,chrome moly retainers, and seals. We have experienced Harley-Davidson Re-mans of engines, JIMS machine re-mans and transmission upgrades, and now for something new for an Evo rebuild. S&S ® Super Stock ® 91cc Cylinder Heads For For S&S ® T124 T2 Long Block Engines and 2006 HD ® Dyna ® Models and All 2007-'16 Models With S&S ® 124" Hot Set Up Kit - Wrinkle Black Powder Coat Fin. We have the experience and parts to restore your engine to it's original conditio. sq Check out our complete catalog of components. North America's Harley Performance Parts - Heads, Cylinders and more. caused premature crank bearing failures. We offer a full range of porting services for Evolution style cylinder heads, whether they be stock castings, S&S, Screamin’ Eagle, STD, Rev Tech, Edelbrock, or any other set of heads you might have on your Harley. Head Hoggers is the market leader in Harley Horsepower, Engine Kits, Engine Rebuilds and Engine Modifications. Stage 1 heads on a 2016 107 ci twin cam produce 120HP with mild cams, a stock throttle body, and mild compression. poa 4 valve heads can dramatically increase engine breathing and with no other. I appears they cut too much into the Aluminum if. Twin Cam - ACR Stage 2 port and polish service - $775. MEGAFLO is the business name and trademark for premium quality, professionally crafted, cylinder head modification services for Harley-Davidsons. High Performance Specialist for your Harley-Davidson® Motorcycles We offer MORE bottom-end horsepower and torque for your Harley-Davidson than anyone in the world! Get Current Price List via eMail. DME camshafts are designed using three decades of Dyno testing, racing, touring, street rodding, and research with cams of all major manufacturers. Please check your local EPA authorities for street use. The Harley-Davidson Evolution V-twin was introduced in 1983. Cylinder Head Porting, Antique and Hi-Performance American Motorcycles. My name's Alex and I've been around bikes for 39 years 19 of which have been spent riding and maintaining Harleys. for EVO, Twin Cam and Sportster Engines!! Click Here for the NEW KNIGHT PROWLER ® 2006 Dyna and 07-2017 Twin Cams Chain Drive - Gear Drive - Belt Drive. Bishop's Performance - Evo Dyno Graphs. • Performance valve springs with Moly collars •. Modification and Machining Services For Harley Davidson Engines. See the HEAD PORTING and SERVICES page for details. Specs include: 62cc combustion chamber, 1. Hamster's 200,000 plus miles Evo engine to Bennett's Performance for a solid, but aftermarket rebuild. 610 exhaust valves to give the customer a nice bump in power while still being able to utilize some of their stock components. Specifically produced for the Harley. Metallurgically sculptured both externally and internally with the highest quality metals, materials, and coatings. SUBURBAN SPEED SCREAMIN' EAGLE 110 CVO STAGE 1 PORTED HEADS Fits Twin Cam 110. f0 Custom Harley Panhead Rocker Boxes, 84-99 FXR, All EVO Dressers & 86 Up EVO, Sportster XL &TWIN CAM Generator Style Cam Covers, EVO 93 TO 99 PUSH ROD COVERS MOTORCYCLES TWIN CAM , SHOVEL HEAD, EVO. This is not a mass-production facility. yj 00 Camshaft and valve train Screamin Eagle SE-57 camshaft - Cost $200. An excellent choice for anyone looking to install larger valves in their evo heads. Engine features one-year manufacturer's warranty for unmatched confidence. Ported heads from S&S Cycle can greatly improve . Head modifications and machining Pro Street Harley TC. This author recommends discussing. harley davidson evo cylinder head packages The Revolution Performance EVO CNC Cylinder Head Packages were developed on the flow bench, dyno and street to increase power and torque on the EVO engines. Should I remove any parts from my heads before shipment? Do not send rockers, rocker boxes or breather parts, unless instructed to do so. We chose upgrading the chassis, suspension. MILWAUKEE - EIGHT 107CI TO 131CI ENGINES 2017 ON WITH CABLE CLUTCH. The Keith Ruxton engines in the Easyrider Harley Streamliner were running DME ported heads when it became the Worlds Fastest Motorcycle at over 322 miles per hour. How should I pack my heads for shipping?. Shop the best {0} for your motorcycle at J&P Cycles. Before we get into the specifics of how sophisticated ORCA Motors are or what they cost, we should shed some light on what an inferior "billet motor" costs. Designed for high performance 1200cc Evolution® Sportsters® operating at 6000+ rpm, these heads offer superior flow for max power. From stock rebuilds to full beast mode engine builds, we have you covered. E air fitter,Ignition Module,Performance Coil, JE 10. JIMS is widely considered the premier manufacturer of aftermarket performance racing engines and transmissions for the Harley-Davidson and custom motorcycle industry. 5q Moreover, it is widely accepted that they are capable of delivering top-notch performance even in spite of design and manufacturing flaws. Shop Parts > Screamin Eagle® > Evolution® 1340. Harley Restoration PA - Harley Engine Rebuilding PA - ph. 113/126/132/139 Cubic Inch ORCA Motors v. Denish's excellent book on evo performance. Range Of Cylinder Heads & Parts - Evo Products Online At Rollies Speed Shop, Australia's largest distributor of aftermarket parts for Harley-Davidson®. Over 8,000 sets of heads shipped to satisfied customers since we started keeping computer records in 1987. 2li 900" intake valve and stock exhaust. Let us help you design the engine you desire. Now S&S heads are available to be used with stock-style flat-top pistons Kits are fully assembled, and include stainless steel valves and high-lift springs Intake manifold and gasket kits are sold separately gasket kits contain head gaskets, base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker box styles) Choose between 3-1/2" bore. I do most work on Twin-Cam & Evo's. If You Want Arm Stretching, Tire Burning Torque, This Kit is for You! Case boring required. S&S Cycle Black Super Stock Cylinder Head kit for 1984-1999 Harley EVO 90-1504. 875 inch bore SILVER finish cylinders and head and base gaskets for Harley Davidson Big Twin Evolution 1340cc. Also popular and easy to find are 110 CVO (Custom Vehicle Operations) heads. This engine which is 45-degree air cooled came into the market by the year 1984. Power Port: Maximizes port flow using 1. 63 Here are a few examples of Engine Services we offer. Heads are sold in pairs, complete with stainless steel valves (1. 83a How much does it cost to rebuild a Harley Evo motor? The cost of a Harley Evo motor rebuild can go anywhere from $3,000 to-7,000. 95 The Revolution Performance Velocity CNC Cylinder Head Package was developed on the flow bench, dyno and street to increase power and torque on 85" to 92” EVO engines. Twin Cam and Evolution heads in stock. These top-quality Harley crate engines are made by S&S, one of the most respected names in V-twin manufacturing. A couple years ago Lee spent some time with Joe Mondello, the cylinder head porting legend. kah 630” valve spring free travel • 91cc combustion chamber (skim decked) • Completely assembled, ready to install. Our Kevlar friction plates have a higher coefficient of friction than sintered plates (O. Buy S&S Performance Replacement Cylinder Head Kit for Harley Davidson 1984-99 Evo Big Twin engines - One Size: Cylinder Heads - Amazon. CLICK HERE FOR TECH TALK TUESDAY EPISODES with George Bryce. 72cc combustion chamber increases the compression ratio from 8. Factory assembled at the Powertrain Operations facility in Milwaukee, Wisconsin. This is very important with Evos since the rollers on the lifters often start to come apart at this mileage. The heads fit any bore size from 3. Contrary to popular myth, serious power can be made with stock Harley-Davidson heads without reshaping the combustion chambers, polishing the ports and combustion chamber, using a larger intake valves or making the ports larger. yn Rivera Feuling Harley Davidson 4 valve Hemi heads racing performance for evolution motorcycles Harley just dome this 35 years ago ! For S&S sputhe TP engine. I have the matching Edelbrock performer intake manifold and a new set of manifold-to-head intake gaskets. *Not Available for Twin Cooled Heads; Service Inquiry Form Evo Castings. Revolution Performance Motors has introduced the RPMHemi 4 valve heads for the Evo V-twin and early Twin Cam engines, Twin Cam EFI kits are . If you want the best look up New Life Builders in Belen NM. 00 Crane 155# Valve springs - cost $115. In that time he has ported more than 900 sets of heads. A Six Coil-Spring Design is easier to tune for higher horsepower engines than the Original Equipment Diaphragm Style. 00 Perfect Seal Piston Ring set - Cost $50.