Free Shipping on Orders Over $109 at Summit Racing

Summit Bucks

Eaton Detroit Truetrac Differentials

Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better traction when ground conditions warrant. These replacement units are available for dozens of axle applications.

4.77 out of 5 stars ( 506 )

$1,017.99

—

$1,299.99

Summit Bucks

Full Spectrum Power P.Motive Batteries

Full Spectrum Power P.Motive Lithium Batteries are the strongest, lightest, and most powerful automotive lithium batteries ever created. Engineered to exceed the toughest demands of today's race cars and trucks. Whether you're powering a 5,000hp twin-turbocharged pro mod, a methanol-sipping turbo LS, or a 2JZ-powered X-275 car, we've got the perfect solution for you. For bracket racers seeking a reliable battery for your N/A big-block Chevy-powered dragster, we've got you covered too. P.Motive batteries offer unparalleled power to turn your engine faster than any other lithium battery on the market. Designed for extreme performance, these batteries deliver more capacity, ensuring that you always have the reserve power needed to cross the finish line when it matters most. Key Features: *Advanced Case Design: Stronger, lighter, and more resilient than ever before, with heat, vibration, gas, and oil rejection. *Optimized Cell Design: Built specifically for motorsports with a decade of engineering expertise behind every cell. *Universal Charger Compatibility: Works seamlessly with most commercially available chargers. *V Direct Multi-Terminal: Our solid copper terminals feature 8 threaded mount holes for easy and secure accessory connections. *V Sleeve Silicon Terminal Covers: Color-coded for polarity, these covers provide added protection against short circuits.

Not Yet Reviewed

$1,049.00

—

$1,499.00

Summit Bucks

Eaton Electronic ELocker Differentials

Eaton electronic ELocker differentials offer you the best of both worlds. Imagine having the comfort and convenience of an open differential for around town—and the powerful traction of a full-on locker when it's necessary. This is exactly what the Eaton ELockers provide. With the push of a dash-mounted button, you decide when the differential should be fully locked for maximum traction to both wheels, or free to differentiate for the best fuel mileage and tire tread life. Whether you're running a 2WD or 4WD, open or locked, the Eaton ELockers put the driver in total control! Order the carrier designed for your axle model.

4.0 out of 5 stars ( 12 )

$1,447.99

—

$1,498.99

Summit Bucks

S&S Cycle 107 in. Big Bore Kits

S&S Cycle 107 in. big bore kits are easy to install and require no machining or re-balancing. These are the largest bores that can be fit in your stock engine case. This is the largest bore that can be fit in a stock engine case. Stock engine height is maintained so there are no manifold or frame fitment issues. Using an 11-fin design, the pre-finished cylinders closely resemble the OEM shape and are ready to install. Take your stock engine case as big as it'll go with S&S Cycle 107 in. big bore kits! Product features include: * CP pistons feature a 3cc pop-up dome for slightly higher compression * Cylinders feature an increased fin area for better heat dissipation * Centrifugal cast gray liner features 40,000 psi tensile strength for superior wear and performance

Not Yet Reviewed

$1,305.95

Summit Bucks

S&S Cycle 97 in. Big Bore Kits

S&S Cycle 97 in. big bore kits will increase the displacement of 88 in. engines to 97 in., are easy to install, and require no machining or re-balancing. Using an 11-fin design, these pre-finished cylinders closely resemble the OEM shape and are ready to install. Order an S&S Cycle 97 in. big bore kit—and take your stock engine case as big as it'll go! Features of the S&S Cycle 97 in. big bore kits: * The 97 in. big bore kits for 88 in. motors yield excellent results with stock cylinder heads * Feature the same silver or black wrinkle powder-coat as stock, so they match the stock finish of the engine * Specifications: 3.927 in. bore, 4 in. stroke, 97 in. displacement, and 9.7:1 compression ratio with stock heads (9.3:1 compression ratio with S&S 89cc heads or 10.7:1 with S&S 79cc heads) * Feature the largest bore (3.927 in.) that can safely be used in a cylinder with stock spigot diameter * Included S&S cylinders feature a much stronger cast iron liner to stand up to the added power * Easy installation: no need to bore or split existing cases, just swap the cylinders *Kit includes cylinders, pistons, rings and gaskets (head, base and exhaust) * For best performance, appropriate camshafts, performance air cleaner, performance exhaust and fuel system tuning is required

Not Yet Reviewed

$1,249.95

Summit Bucks

S&S Cycle 98 in. Big Bore Kits

S&S Cycle 98 in. big bore kits are a fantastic upgrade if your Harley® is just a bit tired. The thicker and beefier cylinders mean that the engine will run cooler and you'll love the forged pistons that come with the kits. These are the largest bores that can be fit in your stock engine case. The cylinder and piston kits make going to the max bore size easy. There is no machining required and stock engine height is maintained. These kits come with nearly everything needed to get the most out of the added cu. in. to your stock engine. You won't believe how much power these kits produce! Features and specifications: * Kit yields excellent results with stock cylinder heads * Easy installation—no need to bore or split existing cases, just swap the cylinders * Available in a choice of either black or silver powdercoat finish with polished fins * Increased fin area for better heat dissipation * Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams

Not Yet Reviewed

$1,345.95

Summit Bucks

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

$1,176.95

—

$1,285.95

Summit Bucks

Cali Off-Road Invader Dually Chrome Wheels

Cali Off-Road Invader Dually chrome wheels will assist in pushing the boundaries and takes you places no one would dare go before—and they will do it with pristine styling and radical sizing's with the chops to handle every single terrain, period. Advanced one-piece cast aluminum construction delivers the strongest wheels with the highest load ratings in the industry, fact! Made for looks? Obviously. Made for performance? Unmistakably. Using the most progressive finishes in the industry, the look and feel of your Cali Off-Road wheels will remain as menacing as the day you installed them. Cali's Invader Dually chrome wheels are available in 20 in. sizes and larger. Choose the perfect fit for your vehicle and embark on your new endeavors!

Not Yet Reviewed

$1,099.99

Summit Bucks

S&S Cycle Early Twin Cam Easy Start Gear Drive Camshaft Kits

S&S Cycle Early Twin Cam Easy Start gear drive camshaft kits offer more performance for less money, and more time to enjoy riding. The Easy Start kits allow your stock starter to start any engine and most can be used with stock valve springs. Plus, they are designed to greatly improve valve timing accuracy by eliminating timing chain lash. Twin Cam kits include cams with inner gears and installation kits. Installation doesn't take long and S&S offers many choices to meet your engine size and compression ratio. Here's an easier way to increase performance without emptying your wallet--S&S Cycle Early Twin Cam Easy Start gear drive camshaft kits.

Not Yet Reviewed

$1,070.95

Summit Bucks

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

$1,095.95

Summit Bucks

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

$1,499.95

Parts and Accessories