HARLEY-DAVIDSON Engines & Components

S&S Cycle Billet Oil Pumps

S&S Cycle billet oil pumps are designed and built for your V-Twin. They feature a smoother design from beautiful strong billet and pressure relief towers that are .300 in. shorter than your OEM oil pump. Kits may include: * Pump with cover * Mounting bolts * Supply and return gears * Driveshaft with keys and snap rings * Check ball and spring * Pressure relief valve and spring * Check ball and release valve cover screws with O-rings * Miscellaneous hose fittings, plugs, screws, and gaskets

Not Yet Reviewed

$499.95

S&S Cycle Precision Tappets

S&S Cycle precision tappets are high performance replacements for S&S Cycle's previous standard and premium lifters for M8, Twin Cams, and late Sportster applications. Each precision tappet is hand assembled to exacting tolerances and designed for quiet operation and rapid pump up. Features and benefits: * Reduced valve train noise from start-up to shut down * Close tolerances for low leak-down rates * Fast pump up and superior high-rpm performance

Not Yet Reviewed

$279.95

KB Performance V-Twin Piston and Ring Kits

KB Performance V-Twin piston and ring kits bring all of the knowledge and experience of a legendary engine builder to the world of high performance motorcycles. These pistons use the latest manufacturing techniques and standards to ensure quality and maximum available performance. The kits are offered in hypereutectic 390 alloy and forged 4032 low-expansion alloy. KB Performance V-Twin piston and ring kits are available for Harley-Davidson® and Indian motorcycles in a variety of engine sizes and compression ratios.

4.8 out of 5 stars ( 20 )

$281.49

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$303.40

S&S Cycle Milwaukee 8 Chain Drive Camshaft Kits

Tap into the power of your Milwaukee 8 engine by installing an S&S Cycle camshaft. These kits will increase the torque and horsepower of your bike. They include all required gaskets, O-rings, bearings, and hardware. Order the model recommended for your Harley-Davidson® application.

Not Yet Reviewed

$299.95

Wiseco Tracker Series Pistons

Wiseco offers Tracker Series pistons for a variety of applications, including many Honda©, Kawasaki, KTM, Husqvarna, Gas Gas, Suzuki, and Yamaha off-road bikes and ATVs from 2006 and up. At the end of the day, it's all about the freedom riding gives us, which is why Wiseco believes the reliability and performance benefits of forged pistons shouldn't have to break the budget. Enter Tracker Series, a no-frills line of pistons for Harley-Davidson© engines designed to offer the forged strength Wiseco is known for at a mid-level price point. With multiple configurations available for different Harley© engine platforms, Tracker Series pistons will get you to the checkers. Additional product details: * Proprietary near-net forging technology reduces the amount of finish machining required, offering lower cost without sacrificing strength and longevity * ArmorFit skirt coating reduces operating friction and increases wear resistance for a better performing, longer lasting part * Supplied in kits containing pistons, rings, wrists pins, and circlips all under one part number * Ring sets include 3mm oil ring assembly, providing better oil control for consistent cylinder lubrication and reduced blow-by, resulting in improved durability and performance

Not Yet Reviewed

$265.99

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$290.99

Wiseco Powersports 4-Stroke Forged Series Piston Kits

Wiseco powersports 4-stroke forged series piston kits include your rings, piston pin, and circlips. Wiseco has a decade of experience producing quality pistons for dirt bikes, motorcycles, ATVs, snowmobiles, and outboard marine engines. Their piston kits provide strong, lightweight pistons with optimized designs that improve engine efficiency and maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with these Wiseco powersports piston kits! Order the piston kit designed to fit your application.

3.0 out of 5 stars ( 2 )

$340.99

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$402.99

S&S Cycle Heavy-Duty Valve Spring Kits

S&S Cycle offers heavy-duty valve spring kits to upgrade your bike's performance—so you don't have just another "me too" motorcycle. Order the S&S Cycle heavy-duty valve spring kit designed for your bike's application. Features and specifications: * Available for M8 2017-2024 Harley-Davidson® models * Kit includes springs, top collars, keepers, valve seal/bottom collars * Works well with cams up to .605 in. lift * High performance conical single wire spring

Not Yet Reviewed

$395.95

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 )

$314.95

Wiseco Powersports Piston Kits

Wiseco powersports piston kits include your rings, piston pin, and circlips. Wiseco has a decade of experience producing quality pistons for dirt bikes, ATVs, snowmobiles, outboard marine engines, and motorcycles. Their piston kits provide strong, lightweight pistons with optimized designs that improve engine efficiency and maximize your torque and throttle response. Plus, Wiseco powersports piston kits are produced right here in the USA. It's time to blaze your own trail with Wiseco powersports piston kits.

4.0 out of 5 stars ( 7 )

$261.99

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$494.99

S&S Cycle Forged Piston and Ring Kits

S&S Cycle forged piston and ring kits include your rings, piston pin, and circlips. S&S Cycle has many years of experience producing quality pistons for motorcycles. These piston kits provide strong, lightweight pistons with optimized designs that improve engine efficiency and maximize your torque and throttle response.

5.0 out of 5 stars ( 1 )

$484.95

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

$255.95

S&S Cycle Late Twin Cam Chain Drive Camshaft Kits

S&S Cycle Late Twin Cam chain drive camshaft kits are an affordable way to increase performance. These S&S camshaft kits allow you to reuse many stock cam drive components, saving you money on parts. Complete kits include the cams, gear cover gasket, cam bearings, and instructions. Go with the less expense and more performance of S&S Cycle Twin Cam chain drive camshaft kits.

Not Yet Reviewed

$399.95

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$418.95

Wiseco Black Edition V-Twin Piston Kits

Wiseco offers Black Edition V-Twin piston kits for a wide range of Harley-Davidson® street bikes. They feature forged aluminum pistons with ArmorX coating for reduced wear and superior protection in extreme conditions. An ArmorFit skirt coating auto-adjusts to the cylinder wall (so there's no need to measure clearance), providing smooth, quiet, trouble-free operation. The pistons are available in a variety of bore sizes and other options. Order the kit recommended for your motorcycle. Additional product details: * Dome design for improved flame travel to maximize air/fuel burn efficiency * High compression (11:1) for added power * Superfinish piston pin reduces friction and improves scuff resistance * Enhanced pin oiling for improved lubrication and reduced friction * Augmented ring land details improve ring seal and function * Dedicated rings for precise fit, improved compression, and oil control * Kits include two pistons, rings, piston pins, and circlips

Not Yet Reviewed

$256.99

HardDrive Billet Oil Pumps

HardDrive billet oil pumps feature a split oil path that applies more pressure to the top end for longer component life, and increases oil pressure to the hydraulic lifters. They are made of polished, CNC-machined cast aluminum and include a driveshaft with keys and a snap ring, mounting hardware, check ball, gaskets, and pressure relief valve assemblies. These pumps avoid unnecessary filtering by routing back to the main passage, rather than the return. HardDrive oil pumps are a great value in quality aftermarket Harley® parts.

Not Yet Reviewed

$477.86

S&S Cycle Oil Filters

S&S Cycle oil filters are constructed out of a sturdy steel canister, which houses the finest filtering media and internal components available. The filter media has traps to catch the smallest particles possible but not restrict flow. The filters are available in a black or chrome finish to accent your ride properly. With S&S Cycle oil filters you'll keep your oil clean and your engine protected.

4.5 out of 5 stars ( 2 )

$288.95

S&S Cycle TC3 Cam Support Plates

S&S Cycle TC3 camshaft support plates are just what the doctor ordered when repairing a damaged engine or installing new camshafts. CNC machined from forged aluminum for excellent strength and dimensional accuracy. They feature bronze pinion shaft bushing in all models and bronze cam bushings in 2007-later style. Select the plate designed for your motorcycle. Note: S&S suggests new S&S oil pumps and chain tensioners be installed with new cam support plates.

Not Yet Reviewed

$395.95

Feuling Parts HP+ Oil Pumps

Whether you are on the street or the track, your engine needs to be well-lubricated and cooled. Feuling Parts HP+ oil pumps can help lower your engine's operating temperature and increase oil pressure and flow. They improve street and track performance and are constructed out of 6061 aluminum, resulting in remarkably strong and efficient oil pumps. These well-engineered pumps can produce 40 percent more pressure than your stock pump and are capable of 60 percent more return volume, to reduce or eliminate blowby and wet sumping. All of these functional improvements add up to a more efficient motor with cooler temperatures, and more hp and torque to the rear wheel. They're available for various models and engine types--find the best fit for your application and get your ride running well-lubricated for that next road trip.

Not Yet Reviewed

$409.95

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 Hydraulic Tappets

For stock or high performance, S&S hydraulic tappets offer significant design improvements to withstand the forces, reduce the stress, and solve the possibility of oil starvation. S&S hydraulic tappets feature larger inner bearing races, an improved inner race-roller design, a redesigned and stronger plunger assembly, and revised metering devices for precise oil delivery control. Each lifter body and plunger assembly is hand-fit and then pressure-tested to insure correct operation. Choose the better features of S&S hydraulic tappets for better performance.

Not Yet Reviewed

$409.95

Feuling Parts Race Series Lifters

Feuling Parts Race Series lifters are a high performance upgrade for your motorcycle. Full-travel hydraulic or solid roller lifters are machined from a steel body for large-lift camshafts in standard or oversized OD applications. They will maintain proper oil flow to the top-end, increasing engine rpm and valvetrain stability, while decreasing valve float. This promotes maximum valve lift, with more horsepower and torque output. A high-volume oil pump is recommended for best results. Race Series lifters are drop-in replacements on both strip and performance street engines. They're available to fit a variety of bike makes and models, including Buell and Harley-Davidson®.

Not Yet Reviewed

$298.95

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$307.95

Twin Power Cylinders

Twin Power offers OEM replacement cylinders for your motorcycle. Each Twin Power cylinder is designed to meet or exceed OEM specifications. These cylinders are available in a black or natural finish. Cylinder material and liner material vary depending on the application. Twin Power cylinders are the quality replacement your motorcycle deserves to keep it running like new.

Not Yet Reviewed

$453.99

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

$284.95