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HARLEY-DAVIDSON Camshafts & Valvetrain

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Results 1 - 24 of 26

COMP Cams Twin Cam Thumpr Camshafts

COMP Cams twin cam Thumpr camshafts are designed as a serious performance upgrade with hard-hitting sound! They feature an aggressive design that provide a thumping exhaust note and they provide a great performance upgrade to any 103 cu. in. and larger twin cam engine. The cams feature a sophisticated "Endurance Ramp" lobe design that makes great power but is easy on the tappets and valve train for long life. They feature a wide power band and pull great up to 5,400 to 6,400 rpm dependent upon the camshafts selected, and engine combination. The cams are made from 8620 billet steel and have been shown to make greater gains in power, acceleration, and throttle response when tested with larger throttle bodies. Put more power to the ground, and make some noise with Comp Cams twin cam Thumpr camshafts.

5.0 out of 5 stars ( 1 )

$243.95

S&S Cycle Standard Adjustable Pushrods

S&S Cycle standard adjustable pushrods help to assure consistent valvetrain operation under all conditions. The pushrods are made from rigid chromoly steel tubing and offer a simple, trouble-free installation. You can purchase just the pushrods or as a set with pushrod covers, O-rings, and cover keepers. Replace the stock, non-adjustable pushrods in your stock or high performance application with S&S Cycle standard adjustable pushrods, available for a wide range of Harley-Davidson® bikes from 1984 and up.

5.0 out of 5 stars ( 1 )

$174.95

$249.95

On Sale

COMP Cams Evolution Magnum Hydraulic Roller Camshafts

COMP Cams Evolution magnum hydraulic roller camshafts are high performance camshafts designed for your Harley-Davidson®. They are constructed from superior-quality materials to bring the best possible performance to your ride. If you're looking to upgrade your Harley®, COMP Cams Evolution magnum hydraulic roller camshafts are must-haves.

5.0 out of 5 stars ( 1 )

$205.95


$164.76

S&S Cycle Quickee Adjustable Pushrods

Easily installed, easily removed--S&S Cycle Quickee adjustable pushrods are designed for a simple, trouble-free installation that does not require removal of the gas tank, rocker assemblies, or even the rocker box cover! Innovative Quickees feature threaded adjusters that screw into the pushrods until the threads disengage and the adjuster simply slides into the pushrods, making your installation or removal easy. Then, once the pushrods are installed and adjusted, the locknut keeps the adjuster from moving. They will work with stock and aftermarket cams, as well as stock pushrod covers. S&S proven performance makes life easier with their Quickee adjustable pushrods.

1.0 out of 5 stars ( 1 )

$209.95

$224.95

S&S Cycle Street Performance .585 Valve Spring Kits

S&S Cycle offers Street Performance .585 in. valve spring kits to upgrade your bike's performance—so you don't have just another "me too" motorcycle. Order the valve spring kit designed for your make and model. Features and specifications: * Available for fitment on a variety of Harley-Davidson® and Buell models * Kit contains springs, top and bottom collars, keepers, and shims * Accommodates camshaft lift to 0.585 inches * Suitable for high performance applications * Coil springs reduce the risk of valve float

Not Yet Reviewed

$163.95

COMP Cams V-Thunder Performance Replacement Lifters

COMP Cams V-Thunder performance replacement lifters feature a rigid nodular cast iron body with a 52100 bearing, axle, and wheel assembly for strength. They utilize an advanced ultra-high flow metering system that allows more oil movement through the engine to aid in cooling. Each lifter is precision I.D. ground, matched with a graded piston, and features a high-performance retaining ring. Keep your valvetrain stable with COMP Cams V-Thunder performance replacement lifters.

Not Yet Reviewed

$213.95

On Sale

COMP Cams Twin Cam Camshafts

COMP Cams twin cam camshafts are designed as a performance upgrade, that offer more power with long valve train life. These camshafts provide a great performance upgrade to any 103 cubic inch and larger twin cam engine. The cams feature a sophisticated "Endurance Ramp" lobe design that makes big power but is easy on the tappets and valve train for long life. They feature a wide power band and pull great up to 5200 – 6200 RPM dependent upon the camshafts selected, and engine combination. The cams are made from 8620 billet steel for added strength and durability. Upgrade your camchest by installing a set of Comp twin cam camshafts.

5.0 out of 5 stars ( 5 )

$243.95


$195.16

$243.95

COMP Cams High Performance Valve Spring Kits

Simplify your valvetrain assembly! COMP Cams high performance valve spring kits have everything that you need for a complete valve spring assembly. Springs and retainers are included, along with complete instructions for a worry-free installation.

4.66 out of 5 stars ( 32 )

$145.95

$195.95

Feuling Parts HP+ Lifters

Feuling Parts HP+ lifters are a great performance upgrade for your motorcycle--as the name implies, they're "Horsepower Plus!" Hydraulic roller lifters provide optimized (and cooler) oil flow to top-end valves, springs, rockers, shafts, and valve guides. The rollers reduce friction between the lifters and camshaft, extending the life of your valvetrain gear. HP+ lifters are CNC-machined, precision-ground, drop-in replacements for your stock lifters. They've been dyno-developed and track-tested for use with the Feuling oil pump or comparable high-volume models. HP+ lifters are available to fit a variety of bike makes and models, including Buell and Harley-Davidson®.

Not Yet Reviewed

$203.95

$243.95

Kibblewhite Lightweight Racing Valve Spring Kits

Kibblewhite is dedicated to providing the best lightweight racing valve spring kits available. The folks at Kibblewhite have years of experience building the finest valvetrain products, and that experience has culminated in these lightweight valve springs. Each spring starts life as the finest quality super-clean, chrome-silicon wire that is wound to the most exacting standards. After the spring is wound, it goes through a rigidly controlled heat treatment, stress relief, and shot-peening process that ensures the longest lasting and strongest springs possible. These springs are perfect for today's high-revving motors, whether you are on the race track or the trail. Upgrade to these Kibblewhite lightweight racing valve spring kits today and stop worrying about when one of your stock springs is going to fail you.

Not Yet Reviewed

$142.97

$147.47

S&S Cycle Cam Chain Tensioners

S&S Cycle offers you superior valve train control for your motorcycle with their cam chain tensioners. They provide a thicker shoe, a larger piston, direct chain oiling, and tighter tolerances for improved stability and longer wear life over the stock cam chain tensioners. Order the S&S cam chain tensioners designed for your bike.

Not Yet Reviewed

$109.95

$175.95

S&S Cycle Non-Adjustable Pushrods

S&S Cycle offers non-adjustable pushrods for a wide range of Harley-Davidson Big Twin street bikes from the 1940s, '50s, '60s, '70s, and '80s. * Details for 1948-52 models: S&S solid lifter pushrod set for 1948-52 panhead engines. Converts stock 1948-52 valvetrain to solid lifter operation by replacing stock pushrods, which contain built-in hydraulic units with solid non-adjustable S&S pushrods. Requires stock 1948-52 style adjustable lifters. Includes four non-adjustable steel pushrods. Fits stock 74 in. engines with 5.330 in. cylinder length. Pushrods only. * Details for 1966-84 HD models: Non-adjustable pushrod kit. Requires 1948-'2 style adjustable lifters. Includes four non-adjustable steel pushrods. (Pushrods are identical to those used in kit P/N 93-4068.) Recommended for all shovelhead and shovelhead top/panhead bottom engines with 1948-52 style lifters. Fits stock 5.330 in. cylinders.

Not Yet Reviewed

$101.95

Kibblewhite High Performance Ovate Wire Valve Spring Kits

Kibblewhite developed these high performance ovate wire valve spring kits for to take full advantage of your high performance engine. Ovate wire springs distribute forces and heat more efficiently due to a larger surface area and are ideal for high-lift, bind-free performance due to their lower profile. Kibblewhite springs are wound from super-clean chrome silicon wire that is heat-treated and shot-peened to improve strength, durability, and consistency. These springs are available for a variety of lifts and seat pressures to help you find the perfect set for your project. Take full advantage of your ride's performance potential with these Kibblewhite high performance ovate wire valve springs.

Not Yet Reviewed

$184.99

S&S Cycle Evolution Camshafts

Do you feel like your high-mileage EVO Big Twin engine has lost its gusto? S&S Cycle Evolution camshafts can to tap in to the hidden potential of your motorcycle's engine. So, what can you expect after the upgrade? For starters, you can expect higher lift and increased valve timing for better performance! S&S cams are made in-house to quality standards and come in various compression ratios to meet your engine needs. S&S Cycle Evolution cams are performance-driven, easy to install, and affordable!

Not Yet Reviewed

$259.95

COMP Cams Mega 8 Camshafts

COMP Cams Mega 8 camshafts are designed with industry-leading technology and trademark endurance ramps. Constructed from billet steel, these cams offer reduced valvetrain noise and increased stability. They deliver everything from broad torque bands for touring and heavy bikes to max power and performance for the horsepower hungry riders. COMP Cams Mega 8 camshafts have the right cam to cover your bike and riding style.

Not Yet Reviewed

$276.95

HardDrive Cam Covers

HardDrive Products cam covers are chrome plated, cast aluminum cam covers for 1973-99 Harley-Davidson® single cam Big Twin engines. They come with the bushings installed; hardware and seals are included. The goal of HardDrive Products is to provide aftermarket parts that make a difference in style, function and performance; they make bike builder dreams a reality.

Not Yet Reviewed

$142.16

S&S Cycle Pinion and Oil Pump Gear Kits

S&S Cycle pinion and oil pump gear kits assist with the proper installation of S&S flywheel assemblies in specific-year motorcycle engines. S&S states that their experiences have shown the design of pinion shafts for 1990-99 big twin engines that accept stock gear kits are not strong enough for performance applications. Therefore, they do not offer a replacement shaft, and instead only offer pre-1990-style pinion shafts. These pinion shaft conversion kits are color-coded and will make the change easier. They include pinion gear, spacer, nut, and oil pump drive gear.

Not Yet Reviewed

$189.95

COMP Cams Evolution Xtreme Energy Hydraulic Roller Camshafts

The right cam choice can make the difference between a bike that performs well or fails to perform. COMP Cams provides the ultimate in arm-stretching, white knuckle power in both street and competitive applications with their Evolution Xtreme Energy hydraulic roller camshafts. COMP Cams pays particular attention to ramp design to keep the cams as quiet as possible and lobe design to maintain as wide a power band as possible.

Not Yet Reviewed

$205.95

COMP Cams V-Thunder Performance Race Lifters

COMP Cams V-Thunder performance race lifters use a forged design for increased strength and durability. They feature a slow bleed rate designed for high performance use, and each lifter comes out of the box tested for proper function. COMP Cams V-Thunder performance race lifters are black oxide finished and are available in singles or a pack of 4.

Not Yet Reviewed

$270.95

S&S Cycle Tappet Rollers

S&S Cycle tappet rollers are what you need to correctly service your hydraulic tappets. The rollers offer the same robust construction, proper fit, and performance as those originally found in your tappet assemblies.

Not Yet Reviewed

$163.95

S&S Cycle Inner Cam Gears

S&S Cycle offers inner cam gears for a variety of Harley-Davidson© street bikes from 2006 and up. This is the gear located on the inside of a camshaft, directly connected to the camshaft itself. It's responsible for transferring rotational motion from the timing belt or chain to the camshaft, allowing it to open and close the engine valves at the correct timing. Essentially, an inner cam gear is the primary gear on the camshaft that engages with the timing system to rotate the camshaft properly. These OE-style replacements are manufactured from factory materials and specifications to ensure proper fitment and long-lasting performance.

Not Yet Reviewed

$152.95

S&S Cycle Non-Adjustable Pushrod Kits with Adjustable Lifter Adapter

S&S Cycle offers non-adjustable pushrod kits with adjustable lifter adapter for a variety of Harley-Davidson® models from 1966-84. These solid lifter conversion kits for Shovelhead engines with stock 5.330 in. cylinders will convert stock hydraulic lifters to 1948-52 style adjustable solid lifters. Kits include all parts needed for converting to solid lifters: four non-adjustable steel pushrods and four adjustable lifter inserts to replace the stock hydraulic units. Also included are adapters for converting 1953-84 style hydraulic lifters to adjustable solids. Adjuster screws are located in the lifter adapters.

Not Yet Reviewed

$175.95

S&S Cycle Roller Rocker Arm Complete Rebuild Kits

S&S Cycle roller rocker arm complete rebuild kits offer several benefits for Harley-Davidson® motorcycles, including significantly reduced friction on the valve stem, improved valvetrain longevity, increased horsepower potential, especially at higher rpm's, and smoother engine operation. These kits also offer better compatibility with high-lift cams due to the reduced wear and side load on the valve stem from the roller design; essentially providing better overall performance and durability compared to stock rocker arms. Order the rebuild kit designed for your HD® model. Features and benefits: * Complete kit includes roller tips, roller pins, roller pin retaining clips, and rocker arm bushings to rebuild a set of four S&S forged roller rocker arms * Designed using Finite Element Analysis (FEA) and forged from 8620 steel for strength * The roller design minimizes friction on the valve stem, leading to less wear and tear on both the valve stem and rocker arm, extending the lifespan of the valvetrain components * The roller bearings in the rocker arms distribute the load more evenly, leading to better wear resistance compared to traditional sliding contact on stock rockers * Roller rockers are designed to handle the increased valve lift associated with performance cams without excessive wear or stress on the valvetrain * Rocker geometry is better suited to high-lift camshafts * Bushings are longer than stock, increasing the time between rebuilds * The smooth rolling action of the roller bearings can contribute to a quieter engine operation * Compatible with stock or S&S CNC-machined heads * Many high-quality roller rocker arm kits are designed to be serviceable and rebuildable, allowing long-term use with proper maintenance Notes: When installing roller rockers, it's important to choose a camshaft that is compatible with the increased valve lift capability. Also, precise installation is crucial to ensure optimal performance and avoid potential issues.

Not Yet Reviewed

$167.95

Feuling Parts Fast Install Pushrods

When replacing valve and rocker arm components on your motorcycle, make the job easier with Feuling Parts fast-install pushrods. The adjustable rods feature a slightly shorter tapered tube—and they arrive disassembled, so you can install them without removing the top rocker box. Feuling pushrods feature a dual jam nut locking system and include a special tool to hold the tubes up and out of the way while you adjust. These are the longest fast-install pushrods available, compatible with the factory pushrod tubes. The wall thickness is a standard .095 in., and when separate lengths are used for the intake and exhaust, you can experience fast-install pushrods with maximum rigidity and valve lift. Rods are available for various bike applications, including twin-cam and Evolution big twins.

Not Yet Reviewed

$259.95

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