Transmission & Drivetrain
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Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
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TeraFlex JK Wrangler Rzeppa high-angle factory replacement CV joints replace your worn or damaged factory units without needing to purchase expensive aftermarket U-joint upgrades. These high-angle models reduce boot failure common with 3 in. or higher lifts. TeraFlex includes low-friction grease engineered specifically for the high-rpm needs of the Rzeppa CV joint and features high-viscosity surface bonding characteristics necessary to properly adhere the grease to all moving surfaces. TeraFlex Rzeppa high-angle CV joint kits include: * CV joint assembly * High-angle CV housing cap and boot * Bolt flanges * Socket head bolts * 6mm Allen wrench * Low-friction CV grease
( 16 )
$184.99
Motive Gear Ten Factory replacement axle shafts are available for direct fitment on nearly two dozen axle models and hundreds of vehicle applications. Built from quality materials and heat-treated for strength and durability, Ten Factory axle shafts are offered individually to swap out a broken or worn original—as well as in more complete kits, with multiple shafts, wheel studs, bearings, and seals (depending on your selection). The components feature strong forgings and alloys for quality axle shafts you can rely on. Choose the parts needed for your specific make and model.
( 139 )
$94.66
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$1,329.99
Action Clutch heavy-duty OE spec replacement flywheels are direct replacements with no additional add-ons. Direct plug-and-play components, these original fitting flywheels are manufactured from high-quality OE materials and offer a direct fit for your old, beat up one. If you are doing a clutch replacement, select an Action Clutch OE replacement flywheel, instead of spending money to resurface your old used flywheel. Select the one needed for your car.
Not Yet Reviewed
$178.46
Motive Gear Ten Factory driveshafts are precision-forged for quality and performance. They come fully assembled and are designed to handle abuse, both on and off-road. Motive Gear Ten Factory driveshafts feature 4130 chromoly tubing for strength and durability, with 1310 or 1350 precision U-joints and black oxide coating. They're electronically balanced to the highest tolerances to provide a vibration-free ride. Available for front and rear, Ten Factory driveshafts include their famous, real-world 10-year warranty. Order the model recommended for your vehicle.
Not Yet Reviewed
$316.13
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$919.99
Motive Gear Ten Factory axle tube seals keep water, mud, and debris from entering your front axle housings. Crafted from billet aluminum and durable rubber, they look as good as they perform! Choose from red powdercoated, black powdercoated, or natural aluminum. The dust seals are available for hundreds of applications. Keep the junk out of your axles with Motive Gear Ten Factory axle tube seals.
( 7 )
$64.99
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$75.99
Motive Gear Ten Factory yokes feature precision forging for quality, strength, and performance. They offer a variety of designs for different U-joint series (including 1310 and 1350) and spline counts. When you want performance axle components that you can trust, order the Motive Gear Ten Factory yokes best suited to your application.
Not Yet Reviewed
$50.99
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$258.99
Boyesen Factory Racing clutch covers are cast in aluminum and are powdercoated for long-lasting performance and protection. These covers are guaranteed not to warp and are individually surfaced for a perfect, leak-free fit. Features include: * Asbestos-free gasket is bound with nitrile for a tight, leak-free seal * Individually formed mounting surface to ensure a perfect fit * Investment cast aluminum, which provides excellent heat dissipation and will not warp like stock clutch covers * Super-tough powdercoated finish resists weathering and wear and tear
Not Yet Reviewed
$102.99
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$193.99
When designing a specialty truck or buggy, you often find yourself building custom-length, heavy-duty axles. Motive Gear Ten Factory cut-to-fit axle shafts provide blank canvases for your specific needs. These Dana 60 blank 1 1/2 in. shafts will need to be cut to length and machined to 30 or 35 splines, depending on your differential's needs. They are made from high-strength materials and dual heat-treated. When you want the strength and performance of a front Dana 60 axle, but in a custom length, then you'll need Motive Gear Ten Factory cut-to-fit axle shafts.
Not Yet Reviewed
$213.99
Motive Gear offers Ten Factory slip yoke eliminators for a variety of Jeeps, cars, and trucks spanning several decades. Precision-forged for quality, strength, and performance, all Ten Factory axles are backed by the company. Front axles and two axle rear kits are black oxide coated. Ten Factory is the brand you can trust for the highest quality engineered axle shafts and replacement kits. Built with the toughest materials, the wear resistance of forged steel is heat-treated to produce durable axle shafts for your vehicle. Buy with confidence knowing that the latest technologies in metallurgy, heat-treating and CNC-machining have produced an axle you can count on in the most difficult conditions. Order the transfer case slip yoke eliminator kit recommended for your application.
Not Yet Reviewed
$394.99
If you're looking for transfer case components like range forks, Motive Gear has what you need. They use only the highest quality materials to manufacture their equipment and have been providing aftermarket parts for over 65 years. When it comes to using transfer case components you can depend on time and time again, Motive gear has you covered.
( 17 )
$131.99
Dorman transmission gear shift levers are engineered from high-quality materials to offer long-lasting durability. These direct-replacements blend in with the overall aesthetic appearance of your vehicle's interior and feature chrome or black knobs with an overdrive button, thereby restoring the use of the overdrive, as well as the use of the tow/haul feature. Vehicle try-on testing has been conducted on Dorman transmission gear shift levers to ensure trouble-free performance.
( 5 )
$202.99
Shiftworks shifter conversion kits offer shifter solutions for a variety of make/model vehicles. If you've tried to use your factory-installed console or automatic floor shifter when swapping out your old transmission, you soon realize that it doesn't fit. But, with Shiftworks kits, they will. These assemblies have what you need to keep your classic ride looking original and shifting with modern performance. Whether you're replacing your Powerglide or upgrading to an overdrive transmission, your favorite factory shifter will still be there—and working great—thanks to Shiftworks shifter conversion kits.
( 73 )
$94.99
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$466.99
Rekluse offers clutch manual slave cylinders for a variety of applications, including many street and off-road bikes from KTM, Husaberg, Husqvarna, Gas Gas, Beta, Kawasaki, Harley-Davidson©, Honda©, and Sherco. These billet aluminum slave cylinders are direct bolt-on replacement products designed to improve the hydraulic system's durability and increase the rider's connection to the engine. Developed in partnership with Rockstar Energy Husqvarna Factory riders, the units have been proven in the toughest riding environments at the highest levels of racing. Order the model recommended for your motorcycle. Additional details: * Hard anodized billet aluminum housing and piston provide reliable performance and a more connected feel * Race-proven, durable piston and seal design * Optimized return spring ensures lever consistency * Improved clutch modulation * Direct bolt-on OE replacement * Designed for use with OE or aftermarket manual clutch systems
Not Yet Reviewed
$190.00
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$229.00
Rekluse Clutch Radius CX 4.0 clutch kits deliver a complete package of auto clutch functionality, improved power delivery, and upgraded durability via Rekluse's EXP 4.0, TorqDrive, and adjustable slave cylinder technology. The kits include Rekluse's next-generation EXP 4.0 auto clutch disk, billet aluminum inner hub and pressure plate core components, TorqDrive clutch pack, and a clutch cover to top it off. These features not only provide stronger power delivery, but also more reliable, responsive clutch modulation. The billet core components help keep the clutch cooler and resist wear with improved oil flow and hard anodized coatings, plus provide an improved, consistent lever feel. Basket sleeves are provided to prevent clutch baskets from notching. Radius CX 4.0 is the ultimate performance auto clutch kit that can be set up to fit almost any rider's preferences. Choose the kit designed for your bike. Features: * Eliminates stalling, start, and stop without engaging the clutch lever * Increased power transfer over OEM * On-the-fly external adjustment * Allows riders to run a gear taller, letting the suspension work better and saving energy * TorqDrive clutch pack provides longer clutch life with less adjustment over time * Retains full, normal use of the clutch lever to fully override the auto functionality at any time * Improves rider control, maximizes traction and confidence to navigate challenging terrain * Improved oil flow and cooling with core components aids in durability * Rekluse clutch cover adds a factory look
Not Yet Reviewed
$1,449.00
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$1,599.00
Shiftworks automatic transmission shifter detent brackets will keep your gear selections on track. These ratchet detent plates determine how your shifter moves from gear to gear to maintain positive shifts from low to drive, upshifting, and down. Shiftworks offers several different styles to upgrade the worn bracket of your factory horseshoe or staple-style shifter, as well as to work with their conversions kits. Don't miss a shift; resolve sloppy shifters with Shiftworks automatic transmission shifter detent brackets.
( 13 )
$129.99
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$139.99
If you are considering Ridetech's coilover suspension system for the back of your vehicle, don't let the rearend stop you! Currie 9 in. Ridetech housing and axle packages are available in stock axle width or narrowed for mini-tubs, and feature the stock pinion offset (drive shaft location) and wheel bolt pattern with Ridetech 4-link suspension and sway bar brackets installed for a straightforward, hassle-free installation. Features: * Currie Centurion high-strength 9 in. notchback housing with flush drain plug * Ridetech 4-link brackets installed * Available in stock or mini-tub widths * Currie Performance 31-spline axles with wheel studs installed * Tapered axle bearings and heavy-duty retainers
( 1 )
$1,750.00
Shiftworks indicator lenses direct your shift position. They offer a large selection of lenses to upgrade your factory console, dash, or column indicators with displays for various transmissions. Shiftworks has clear, black, and silver options available with white or translucent lettering to advance the style of your shifter.
( 2 )
$29.99
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$31.99
Shiftworks offers Slap Shift shifter conversion kits for a variety of applications, including many Chevy Chevelle, Impala, and Camaro models from the 1960s and '70s. These kits will convert your factory automatic floor shifter that came in your car to now work with a more modern transmission. Available for 3-speed, 4-speed OD, and even 6-speed automatics, the conversion kits take the guesswork out of a transmission upgrade and make your shifter work as if your car came that way from the factory. Order the kit recommended for your vehicle and transmission model. Additional details: * Transmission pan bracket * Transmission shift lever * New shifter detent (determines gear positions on shifter) * New console gear indicator * Hardware Kit * Cable sold separately (32 in. cable recommended for 4L80 applications). To add even more fine-tuning adjustability, add in Shiftworks' adjustable shift cable replacement to perfectly dial in your shifter handle positions.
( 1 )
$217.99
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$273.99
On Sale
XDR Magnum Grip Hill Killer gated shifters have an ergonomic design and a modern aggressive look. These gated shifters are designed to be used as a safety device when attempting steep hill climbs. This is accomplished by eliminating the reverse lockout feature of the ratchet gate plate—ensuring quick shifts from forward to reverse gear in an attempt to save the front-end from going over backwards when climbing steep hills. XDR Magnum Grip Hill Killer gated shifters are available to fit Side x Sides with or without factory shift boot. Features include: * CNC-machined billet aluminum construction * Replaceable Midnight black polycarbonate side grip plates that incorporate a diamond design pattern for a sure grip when shifting * Spring-loaded stainless steel trigger for positive locking and unlocking in and out of park * Hill Killer gate plate construction—10-gauge 304 stainless steel for durability and long life * Tough MIL-spec anodized finish * Side grip plates are customizable (with numerous colors of the optional polycarbonate side grip plates, or the real rosewood option) * All necessary hardware and easy-to-follow instructions
( 3 )
$625.95
$349.95
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$499.95
Hinson Motorsports short-throw shifters have no internal centering springs (thus eliminating missing gears due to wear) and narrow gates for quick, responsive control. Life's too short to deal with shift throws that are so long you end up hitting your funny bone on the center console. Avoid that and the pitfalls of missing a gear due to long, unruly handles by slamming through them with Hinson Motorsports short throw shifters instead! Please verify the fitment for your application when ordering. These high-quality shifters feature: * Available without or with various types of knobs * CNC-machined, anodized aluminum base with internal seals * Heavy-duty, hardened steel shifter handle to smoothly pound through gears * Grade 10, black oxide coated oversized hardware * Designed to handle extreme stress * 7/16 in. hardened studs
( 42 )
$385.00
On Sale
Hurst Billet/Plus shifters are the next generation of competition transmission controls. Designed with a high-pivot mechanism for reduced shifter throw and a patented design for ease of operation, they feature an anodized gold base, polymide pivot cup for reduced vibration, high-strength steel stick, and a heat-treated billet steel gear selector for the ultimate in strength and reliability. The shifters are available for more than a dozen types of transmissions. Order the model tailored to your vehicle application.
( 126 )
$481.95
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$499.95
$324.95
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$448.95
Rekluse Clutch Core Manual TorqDrive clutch kits allow more friction disks to fit the clutch, delivering smoother lever function, less clutch fade, and a more linear power delivery. In addition, the billet center hub and pressure plate work together to move more oil through the clutch, reducing drag and decreasing operating temperatures. The TorqDrive technology features thin friction disks and protective basket sleeves, while the Core technology optimizes oil flow, helping your clutch last longer, and reduces temperatures to maintain consistent performance even in extreme conditions. Join the clutch revolution with the Rekluse Clutch Core Manual TorqDrive clutch kit best suited for your application. Other product features and benefits include: * Reduced (10 percent) clutch lever pull strength for less hand fatigue * Expanded friction zone for increased control and smoother take-offs * Increase (20 percent) in torque capacity for reduced wear, reduced heat, and increased power transfer capability * Billet internal components provide enhanced durability and increased oil flow
Not Yet Reviewed
$1,099.00
Rekluse Clutch Core Manual clutch kits are professional-grade units offering improved durability and reliability over stock components. Constructed from double hard anodized billet aluminum components, they are lighter, stronger, and will perform better than stock. Features and benefits include: * Reduced clutch fade * Consistent and improved lever modulation * Strategic engineering increases oil flow, decreases operating temperatures and extends clutch life * Installation does not require modification of stock parts * Includes proprietary anti-drag steel drive plates
Not Yet Reviewed
$629.00
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$879.00
A high-performance, stall-preventing auto clutch is just a clutch pack swap away. Rekluse Clutch Radius X 4.0 clutch kits combine TorqDrive friction disk technology with next-generation EXP 4.0 auto clutch disk functionality to provide stronger power delivery, improved clutch durability, and rider-focused, auto clutch functionality. Packaged in the framework of a drop-in clutch pack, EXP 4.0 prevents engine stalling so riders can focus on their line and let the clutch do the rest, while TorqDrive provides increased power transfer and durability over OEM. Rekluse Radius X 4.0 clutch kits are the perfect choice for riders looking for unmatched clutch functionality within the convenience of a clutch pack. Choose the kit designed for your bike. Features: * On-the-fly external adjustment * Allows riders to run a gear taller, letting the suspension work better and saving energy * TorqDrive clutch pack provides longer clutch life with less adjustment over time * Retains full, normal use of the clutch lever to fully override the auto functionality at any time * Improves rider control, and maximizes traction and confidence to navigate challenging terrain * Basket sleeves protect OEM baskets from notching
( 1 )
$949.00
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$1,039.00
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