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HARLEY-DAVIDSON Engines & Components
Showing In Stock Items. Show All 50 Items.
Moroso PCV Air/Oil Separators
Moroso PCV air/oil separators will help increase your engine's performance. These air/oil separators will capture excess oil and keep it out of your intake tract so that your engine will breathe cleaner intake air--better air equals better performance. Moroso offers universal and custom fit versions in small and large body sizes. The large bodies, besides having more capacity, feature a bottom drain with an elbow that makes draining the collected oil virtually mess-free. Their polished billet aluminum bodies can be chromed, painted, or powdercoated. The small units offer a 2-piece body that unscrews for draining and are available raw or with polished or anodized finishes.
( 328 )
$258.99
Summit Bucks
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
HardDrive Rocker Cover Kits
Add some shine to your Harley®. Replace your tarnished or peeling rocker covers with HardDrive rocker cover kits. These chrome plated rocker covers for your Big Twins and Sportsters will put some bling on your bike.
Not Yet Reviewed
$321.26
Summit Bucks
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 )
$309.95
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$336.95
Summit Bucks
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.
( 20 )
$251.99
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$306.99
Summit Bucks
S&S Cycle Early Twin Cam Chain Drive Camshaft Kits
S&S Cycle Early Twin Cam chain drive camshaft kits are an affordable way to increase performance. These 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 Early Twin Cam chain drive camshaft kits.
Not Yet Reviewed
$399.95
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.
( 2 )
$347.97
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$445.97
Summit Bucks
S&S Cycle Standard Forged Rocker Arms
S&S Cycle standard forged rocker arms are designed for superior strength and to eliminate the failure-prone stress areas found in other rockers. These replacement arms are forged from 8620 steel, heat-treated, and then shot-peened for additional strength. They feature 3/4 in. long bronze bushings, compared to the more common 1/2 in. long bushings or needle bearings. S&S Cycle roller arms are available in the stock 1.625:1 ratio and 1.725:1 ratio. Order the set recommended for your bike model.
Not Yet Reviewed
$334.95
Summit Bucks
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
Summit Bucks
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
Summit Bucks
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
$381.95
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$409.95
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.
( 7 )
$292.97
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$411.97
Summit Bucks
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.
( 1 )
$484.95
Summit Bucks
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
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
Summit Bucks
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.
( 2 )
$288.95
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
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 Cylinders
HardDrive cylinders are offered as a stock replacement as well as increased displacement (depends upon application) for applications as early as Panhead all the way up to Evolution and Sportster. All cylinders must be finish honed and matched to pistons (sold separately).
Not Yet Reviewed
$258.26
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
Wiseco Powersports Tracker Series Piston Kits
Wiseco powersports Tracker 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 help 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 powersports piston kits by Wiseco! Order the piston kit designed to fit your application.
Not Yet Reviewed
$264.99
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
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
