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S&S Cycle Head Bolt Kits
With S&S Cycle's wide selection of Harley-Davidson® parts, you're sure to find the parts you're looking for, including head bolt kits. These kits include steel 12-point head bolts and washers that are designed to exceed the needs of your high performance engine.
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$224.95
S&S Cycle Stealth Air Stinger Air Cleaner Kits
The S&S Cycle Stealth Air Stinger air cleaner kits take the existing air cleaner and replaces the air smoothing stinger with a similarly shaped filter element. More filter surface equals a 55 percent gain over a factory filter, especially in Harley-Davidson® Milwaukee-Eight (M8) models. S&S Cycle offers applications for most Harley-Davidson® models ranging from 2001 up to current year. Each kit includes a cotton gauze air filter with a stylish air cleaner cover. The covers are offered in different styles, in your choice of chrome or gloss black finishes to complement your motorcycle's aesthetics. Some kits come with an aluminum anodized round ring. The Air Stinger filter element is washable and designed to last for years. Select the kit designed specifically for your HD® bike's setup.
Not Yet Reviewed
$249.95
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$395.95
S&S Cycle 883 to 1200cc Hooligan Cylinder Kits
An 883 to 1200cc Hooligan cylinder kit for a Harley-Davidson®, like the ones made by S&S Cycle, provides a significant increase in engine displacement, resulting in substantially more power and torque without requiring major engine modifications, making it a popular upgrade for riders seeking better performance on their Sportster 883, with benefits like increased horsepower—by boosting the engine size from 883cc to 1200cc, the Hooligan kit delivers a noticeable power gain, allowing for better acceleration and highway cruising capabilities. Typically these kits are designed as "bolt-on" upgrades, meaning they can be installed without needing extensive machining or engine rebalancing, making the process relatively simple and straightforward. Compared to a complete engine rebuild, a Hooligan kit is a cost-effective way to significantly improve your bike's power. When installing a Hooligan kit, it may be necessary to upgrade the clutch to handle the increased torque produced by the larger engine. Depending on the specific kit and your bike setup, you may need to adjust fuel injection mapping to optimize performance.
Not Yet Reviewed
$1,128.95
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$1,822.95
S&S Cycle Rocker Arm Shafts
S&S Cycle rocker arm shafts provide your American motorcycle with components that are produced from chromoly steel and duplicate the originals for a perfect fit and provide the expected performance. They are available in sets of 4 or sold individually. Replace your rocker arms with quality S&S Cycle rocker arm shafts.
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$59.95
S&S Cycle Roller Rocker Arms
S&S Cycle roller rocker arms were 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 rocker arms are available in 1.500:1 ratio, 1.625:1 ratio and 1.725:1 ratio. Order the set recommended for your bike model.
Not Yet Reviewed
$649.95
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 Air Stinger Stealth Air Cleaner Kits
S&S Cycle Air Stinger Stealth air cleaner kits take the existing high-flow Stealth air cleaner and replace the air smoothing stinger with a similarly shaped filter element, offering more filter surface for more airflow over the factory filter. The Air Stinger filter elements are washable, just like the Stealth filters, and are designed to last for years. S&S Cycle Air Stinger Stealth kits include either a stylish S&S brushed ring, or a gloss black or chrome teardrop cover. Select the air cleaner kit designed for your motorcycle.
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.
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$334.95
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
S&S Cycle Manifold O-Rings
S&S Cycle offers several options of manifold O-rings for your motorcycle. They are made of special materials that resist destruction from the additives in today's fuel. Select the ones needed for your bike.
Not Yet Reviewed
$10.95
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
S&S Cycle Pushrod Tube Top Covers
S&S Cycle offers pushrod tube top covers for a variety of applications, including many Harley-Davidson© street bikes from 1966 and up. These decorative covers are placed over the top of pushrod tubes, essentially acting as a cosmetic cap while still allowing access to adjust the pushrods when needed. The OE-style replacements are machined from aluminum and factory specs to ensure proper fit, appearance, and performance.
Not Yet Reviewed
$19.95
S&S Cycle Power Tune XTO Mufflers
S&S Cycle offers Power Tune XTO mufflers for a variety of applications, including many Polaris and Honda© UTVs from 2015 and up. Welcome to the new world order of high performance exhaust for the SxS space! A high-flow stainless muffler body is combined with dual exits, each containing a removable spark arrestor as well as tunable inserts. Both sound and power can be adjusted by changing the inserts. Wide-open on the trails? Put the 2.25 in. inserts in and let it breathe. Rock crawling in Low? Replace the inserts with 1.375 in. for maximum torque. Additional tuning inserts are also available. Order the muffler recommended for your off-road machine. Additional product details: * Tuning inserts allow for easy sound and power adjustment * Improved power and torque * Dual outlet and stylized tips * Removable spark arrestors * 304 stainless steel construction * Meets J350 Forestry Standards * Use with or without factory rear cover * Muffler clears most aftermarket bumpers * Does not require ECU tuning
Not Yet Reviewed
$1,324.95
S&S Cycle Power Tune XTO Race Only Mufflers
S&S Cycle offers Power Tune XTO race-only mufflers for a variety of applications, including many Polaris UTVs from 2015 and up. Welcome to the new world order of high performance exhaust for the SxS space! A high-flow stainless muffler body is combined with dual exits, each containing a removable spark arrestor as well as tunable inserts. Both sound and power can be adjusted by changing the inserts. Wide-open on the trails? Put the 2.25 in. inserts in and let it breathe. Rock crawling in Low? Replace the inserts with 1.375 in. for maximum torque. Additional tuning inserts are also available. Additional product details: * Improved power and torque * Dual outlet and stylized tips * Removable spark arrestors * 304 stainless steel construction * Meets J335 Forestry Standards * Use with or without factory rear cover * Clears most aftermarket bumpers * Does not require ECU tuning
Not Yet Reviewed
$999.95
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$1,029.95
S&S Cycle Rocker Cover Gasket Kits
Rocker covers were born of necessity--to keep oil in and dirt out of the rocker arm, ensuring that the intake and exhaust valves operate efficiently. S&S Cycle rocker cover gasket kits help seal the joint between the rocker cover and the rest of the engine, thus preventing leaks. Choose the S&S Cycle rocker cover gasket kits for your powersports vehicles dating from the 1960s through today.
Not Yet Reviewed
$91.95
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.
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$183.95
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$288.95
S&S Cycle 129 in. Power Packages with Chain Drive Cam
S&S Cycle offers 129 in. power packages with chain drive cam for a variety of Harley-Davidson© street bikes from 2017 and up. These packages are the ideal combination of performance and savings designed to transform your engine from mild to wild. They combine S&S's biggest big bore cylinders with matched 550 cam/cam-plate/oil pump and everything else a high performance cam chest needs to make big, reliable horsepower. Transform your 107 in. into a 129 in. monster. Additional details: * Available with 129 in. Big Bore pistons/cylinders * 550 lift cam for the perfect combination of horsepower and torque * Works with stock crankcases * Powdercoat finish matched to factory * MLS (multi-layered steel) head gaskets * Includes tappets, tappet cuffs, and high lift springs * Includes 129 cam cover badge
Not Yet Reviewed
$3,359.95
S&S Cycle Milwaukee 8 Chain Drive Cam Chest Kits
Upgrade your entire cam chest with S&S Cycle Milwaukee 8 chain drive cam chest kits! The parts in each kit are matched to ensure superior quality, fit, finish, and performance, and will include the necessary gaskets, components, and hardware required for a complete installation. S&S Cycle chain drive kits are available for water-cooled and oil-cooled motorcycle models. Select the kit designed to fit your bike. Features of Milwaukee 8 chain drive cam chest kits: * Oil pump and cam plate are precision-machined from billet aluminum with a blue anodized finish * Passage plugs are removable for servicing * Independent scavenge sections for the flywheel cavity and cam chest * Debris screens in both scavenge pickups * Magnet in cam helps stop debris from entering oil pump * Increased oil flow capacity on both the feed and scavenge sides * Adjustable pressure relief valve is adjustable with the unit installed in the engine * S&S Quickee pushrods with chrome or gloss black pushrod tubes * S&S premium tappets—hand assembled to exacting tolerances; reduced valve train noise from start up to shut down * Billet aluminum tappet cuffs have a hard-anodized black coating and are stronger than stock to eliminate distortion and improves tappet stability in high-lift situations * Precision machined billet aluminum cam chain tensioner * 465 Torque cam kits are the ideal choice for Touring bike applications * 475 kits are bolt-in cams that can produce up to 100 horsepower * 540 kits are designed to add even more stump pulling torque to your big bore M8, for those that keep the revs below 6,000 rpm—requires the addition of valve springs (included in high lift kits) and works with cams up to .605 lift * 550 kits are for use with large displacement engines—requires the addition of valve springs (included in high lift kits) and works with cams up to .605 lift
Not Yet Reviewed
$1,721.95
S&S Cycle M8 124 in. Big Bore Kits
Inspired by S&S Pro Stock drag race engines, S&S Cycle 124 in. big bore kits utilize a ductile cast iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. These bolt-in kits do not require machining, re-balancing or engine removal, and include just about everything you'll need to complete the installation. S&S Cycle 124 in. big bore kits are available in wrinkle black or wrinkle black with highlighted finned cylinders. Transform your stock engine into a 124 in. monster with the installation of a 124 in. big bore kit from S&S Cycle! S&S Cycle 124 in. big bore kit features: * Available for 107 M8 models * 107 to 124 in. big bore kit * Bolt-on kit * Includes gaskets and hardware required for installation * 4.250 in. bore * Forged Pistons * 11:1 compression ratio
Not Yet Reviewed
$1,643.95
S&S Cycle M8 131 in. Big Bore Kits
S&S Cycle 131 in. big bore kits are aimed at the Milwaukee Eight platform for 2017 and newer big twins—and open up a whole new level of performance for these engines. When paired with an S&S 4.625 in. stroker flywheel (sold separately), engine will be a true 131cubic inches. S&S builds their big bore kits and cranks to much tighter tolerances and with higher quality materials than the factory parts. If you're the proud owner of a Harley-Davidson® Milwaukee Eight big twin and have been waiting for just the thing to boost your M8's power—the wait is over! The S&S Cycle piston/cylinder kits will be a solid platform for massive power! Features and benefits: * Huge displacement increase means huge power increase * Bolt-on kit works with stock crankcases * 4 1/4 in. bore cylinders with a new 11:1 forged piston design * Original engine serial numbers are retained * Powdercoat finish match factory finish, giving the bike a "sleeper" advantage * Includes .045 in. multi-layered steel head gaskets * Retains stock engine height * Includes 131 in. Cam Cover Badge * Available with or without highlighted fins Note: This kit must be used with S&S Cycle stroker flywheels to achieve 131 in. displacement (P/N: 320-0605, 320-0620).
Not Yet Reviewed
$1,559.95
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
S&S Cycle Stealth Air Cleaner Kits
S&S Cycle stealth air cleaner kits are for the rider who wants to go fast. The backing plate has a smooth radius entry to the throttle body or carburetor. The air filter is made of cotton gauze and is reusable and washable and it also features an air directional stinger cone that creates a smooth path for air to go into the intake. These kits are available with your choice of different S&S covers. These kits can be ordered without the cover so you can use your stock air cleaner cover if you want that sneaky concealed look. If you feel you need more power, a high-flow filter is also available for purchase separately. Upgrade your engine's breathing with the S&S Cycles stealth air cleaner kits. Select the kit designed and suited to your application needs.
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$195.95
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$550.95
S&S Cycle M8 Oil Pump and Cam Plate Kits
S&S Cycle offers M8 oil pump and cam plate money-saving kits for a variety of Harley-Davidson© street bikes from 2017 and up. They're available for oil-cooled or water-cooled Touring models. The units are precision-machined from billet aluminum with a blue anodized finish—and include independent scavenge sections for flywheel cavity and cam chest. Additional details: * Debris screens in both scavenge pickups * Magnet in cam chest to help prevent debris from entering pump * Increased flow capacity on both feed and scavenge side * Adjustable pressure relief valve can be adjusted with unit in engine * Passage plugs are removeable for servicing * Water-cooled model 310-0997B: 44 percent flow increase on supply side and 58 percent flow increase on scavenge * Oil-cooled model 310-0998B: 20 percent flow increase on supply side and 52 percent flow increase on scavenge
Not Yet Reviewed
$836.95
S&S Cycle Tuned Induction Air Cleaner Kits
Airflow is everything in a performance engine and naturally it begins with the air filter, but factory units are downright boxy and can be very restrictive. S&S Cycle tuned induction air cleaner kits utilize two laser-cut and highly engineered tubes merged into a single collector and fed by a pair of high-flow air filters placed directly in the airflow. They are crafted with stainless steel intake runners available in different finishes. The end result--maximum performance for your engine and a stylish package. Select the S&S Cycle tuned induction air cleaner designed for your Harley® model with the preferred finished. Features and benefits: * Bolt-on performance—over twice the filtering area over stock intake system * 44 percent increase in airflow * Smooth intake tract of carefully selected tuned lengths increases performance * High-flow washable and reusable cotton media filter elements provide performance, protection, and economy Note: Will not fit on motorcycles equipped with fairing lower glove boxes or twin-cooled models
Not Yet Reviewed
$595.95
