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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.
( 497 )
$1,279.99
Lokar's Hi-Tech flexible braided stainless transmission dipsticks match right up with other Lokar accessories. They feature a flexible, heat-resistant PTFE rod with a braided stainless steel cover. The inner rod is stamped with appropriate trans-fluid levels, and the outer housing has a slim design that allows for mounting inside of the headers. These dipsticks are available in both firewall-mount and trans-mount styles, and a funnel adapter is included for assistance with filling. Order the length and other options preferred for your vehicle make and transmission application.
( 338 )
$138.95
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$176.95
Tilton Engineering relied upon their 50 years of world-renowned experience in racing clutches to develop the ST-246 twin disc clutch kits for the high-performance street market. These aren't just another run-of-the-mill replacement—they're a true performance twin disc clutch and are available with either sprung-hub organic or solid-hub cerametallic discs, depending on your application. Where the upper limits of OEM-design ends, Tilton ST-246 twin disc clutch kits begin! Order the model recommended for your vehicle application. Features, items, and specs may include: * Precision-machined aluminum clutch cover for high-strength, stiffness, and better balance than OE-type stamped steel covers * High-mass main pressure plate and floater plate resist warpage and offer high-heat capacity * Heavy-duty straps attach plates to minimize noise and provide clean clutch release * High-strength/durability billet chromoly steel flywheel with precision register for optimal balance * Compatible with most OEM release bearings or Tilton's hydraulic release bearings * Sprung-hub organic option: less vibration/noise, smoother engagement, up to 850 lbs.-ft. of torque * Solid-hub cerametallic option: higher strength, more precise engagement, up to 1,250 lbs.-ft. of torque
( 9 )
$1,487.50
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$1,576.75
ACDelco offers transmission bellhousings for a wide range of vehicles from the 1990s and up. Built from aluminum, these GM-recommended replacements deliver the quality and durability of original equipment, plus a factory fit and solid performance. The bellhousings are available for nearly two dozen transmission models. Order the unit designed for your application.
( 8 )
$249.99
Summit Bucks
ACDelco GM Genuine Parts flexplates are designed, engineered, and tested to rigorous standards and backed by General Motors. They're true OE parts that will replace your originals with the same fit and performance, and are updated to integrate new materials and technologies. Order the flexplate model recommended for your vehicle.
( 7 )
$125.99
Motive Gear is the leading manufacturer of driveline products for just about any vehicle, whether it is a stock daily driver or a full-competition 4x4 or race car. They are proud to offer an unmatched selection of quality components engineered and manufactured for the vehicle and for the way it is driven. Motive Gear ring and pinion sets are engineered to meet or exceed OEM specifications at a price that won't break your budget. Their broad selection of ring and pinion ratios is available for just about every vehicle made from the 1940s through the present. All Motive Gear products meet strict quality standards through advanced manufacturing techniques and are backed by their strong warranty. Their in-house quality control lab utilizes state-of-the-art equipment to continuously check Motive Gear products for strength, tolerance, and hardness. Only after meeting stringent quality standards are Motive Gear products packaged and ready for delivery.
( 283 )
$269.26
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$540.88
TransGo automatic transmission reprogramming kits are designed with performance in mind. Most, but not all models contain additional features like Gear Command that allows you to hold manual low to any speed, and shift back to low at any speed. They are great for strip cars or 4x4 rock crawlers needing to select low and not have it upshift. Most TransGo automatic transmission reprogramming kits can be tuned for HD (Heavy Duty) use by following the recommendations in the kits.
( 39 )
$232.86
Spicer Drivetrain Products Life Series U-joints consistently outperform the rest, so you can hit the road or trail with confidence. Cold-forged from high-quality steel, these SPL universal joints feature synthetic thrust washers, multi-lip seals, and the choice of greaseable or non-greaseable. Get the most out of your rig with Spicer Life Series U-joints. Order the replacement model designed to fit your vehicle.
( 113 )
$27.99
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$34.99
Timken pinion bearings offer durability and peace of mind. Known the world over, Timken bearings are precision-engineered to provide you with superior quality, along with energy-efficient and cost-effective friction management. For a proper fit that will run smoothly, these single-row tapered roller bearings are your best bet when replacing old and worn pinion bearings. Timken bearings are available for dozens of axle types; choose the models that match your vehicle specs.
( 57 )
$23.99
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$35.99
Banks Ram-Air differential cover are unlike any others. After testing covers with flat-backs and those with larger fluid capacities, it was apparent that those covers do not cool as well as advertised and suffer from poor fluid dynamics. As a result, flat-backs reduce fuel economy. Banks Ram-Air differential cover extends lubrication life and retains fuel economy! Features: * A380 aircraft aluminum diecast for exceptional strength and precise fit * 12-point chrome plated flanged mounting bolts * 24 external radiator fins offer 534 sq. in. of surface area to ensure optimal heat rejection * Ram-Air system directs cool high-velocity air through radiator fins, eliminating the dead zone * Designed with breakaway scoops * Magnetic fill plug with 20 degree angle for easy fill--simplifies oil changes * Sight-glass with contrast screen and Viton® O-ring seal * Recessed magnetic drain plug simplifies oil changes
( 35 )
$395.00
These TransGo lockup valve kits contain new parts to maximize torque converter life in high-mileage OEM transmissions. They will help your transmission to operate more efficiently and improve overall reliability.
( 6 )
$46.43
Properly secure your flywheel with these flywheel bolts from Chevrolet Performance. These high-quality bolts feature steel construction with a durable black oxide finish.
( 5 )
$4.99
Summit Racing™ Positraction differential carriers deliver aggressive, yet smooth, controllable traction. Our carriers feature nodular iron cases, forged steel internals, strong teeth—and they're fully rebuildable. We offer fitments for dozens of axle models. Whether replacing or upgrading, Summit Racing™ Positraction differential carriers will put power to the pavement, providing the confidence and performance you need.
( 49 )
$904.99
ACDelco GM Genuine Parts automatic transmission gasket kits are comprised of all the necessary gaskets, seals, and O-rings you need to properly finish an overhaul. Many kits are available, and their content will vary per application. Each factory-recommended component is manufactured to exceed your expectations for fit, form, and function. Use the same parts General Motors uses and trusts! Update your worn or leaking automatic transmission gaskets with ACDelco GM Genuine Parts replacements.
Not Yet Reviewed
$130.99
Yukon Gear & Axle ring and pinion sets are strong but quiet performers. Designed to handle some of the harshest conditions, these sets utilize the latest design and manufacturing technologies to afford you a smooth running gear that's durable and easy to set up. Yukon ring and pinions are available in hundreds of size, ratio, and axle model options. Whether you're on the street, off-road, or at the track, you'll experience unrivaled power and gear performance. Order the model recommended for your application.
( 172 )
$364.99
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$1,008.99
Yukon Gear & Axle Grizzly lockers offer fierce power! These robust lockers are the ultimate mechanical locking differentials, replacing your entire carrier assembly. Yukon Grizzly lockers feature forged cases with 8620 internals and a patent-pending internal locking mechanism for maximum strength. Assembled in the USA, these lockers will provide 100 percent power to both your tires, while still allowing for disengagement while negotiating turns. Whether your application is for the street, off-road, or drag racing, Yukon Gear & Axle Grizzly lockers will have your rig roaring with performance.
( 22 )
$472.00
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$2,087.99
On Sale
Hays heavy-duty flexplates for high performance and competition engines are constructed from a thicker-than-stock steel plate. This enables them to withstand the stress of high-stall torque converters and high-rpm engines. While factory stock plates tend to crack around the crankshaft hub when punished under high-torque and rpm conditions, the thicker Hays flexplates can handle the force. These heavy-duty flexplates are supplied with a ring gear that is securely welded in place. All Hays heavy-duty flexplates are zinc-dichromate plated to resist corrosion and SFI-certified under specification 29.1.
( 63 )
$287.95
Yukon Gear & Axle offers differential carriers for a wide range of applications. Yukon uses top-quality materials and the latest manufacturing technologies to produce strong, durable carriers that you can depend on for proper traction. These aftermarket units are available in a variety of styles—such as limited-slip, open, Traction-Lok, and locker—for fitment on dozens of axle models and vehicle apps.
( 13 )
$652.99
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$2,253.99
After extreme heat, the next fastest transmission killer is foreign debris. Our Summit Racing™ filter kits come with a fresh filter and pan gasket so that you can protect your transmission against those damaging impurities.
( 69 )
$18.99
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$27.99
Pacific Performance Engineering recognized the need for better filtration for the hard-working Allison 1000 and 2000 transmissions, so they developed the Premium high-efficiency spin-on transmission fluid filters. These superior filters are designed to address the limitations of the standard "shorty filter". Inside the PPE double-deep spin-on filter is 2.72 times more filter media surface area. This increased surface area allows improved fluid flow and filtering. The double-deep filter traps particles down to 15 microns—that is half the size of what the standard spin-on filter catches, which helps to create a cleaner flow of oil to vital internal components, resulting in smooth, more responsive shifts. Do more to protect your Allison transmission and realize better performance. Don't come up short. Spin-on PPE's high-efficiency transmission fluid filters!
( 2 )
$17.99
Spicer Drivetrain Products Life Series Plus U-joints will provide premium performance in the most demanding environments. Building on the superior design, lubrication, and sealing package of Spicer Life Series (SPL) U-joints, the SPL Plus u-joints feature upgraded grease, seal, seal guard, and spacer material. Features of Spicer SPL Plus U-joints: * Extended U-joint life--journal cross engineered with a cold-formed body to ensure better wear and overall strength * Bearing cups are heat-treated for strength, precision-ground, and case-hardened for durability * Multi-lip seal keeps grease in and contaminants out with enhanced seal and seal guard materials and offers maximum retention in a wider range of environments * Thrust washer eliminates friction, end galling, and metal-to-metal contact * Enhanced with synthetic grease--upgraded green synthetic grease significantly improves minimum and maximum temperature capabilities and increases bearing life
( 2 )
$34.99
Banks Power's Ram-Air transmission pans use technology from their patented differential covers to extend fluid life by rejecting more heat than stock pans and many competitor pans. Additional capacity, a break-away Ram-Air scoop, and Banks FlowThru Fins aid in cooling, and cooler fluid means a longer-lasting transmission. Heat kills. That's why you need a Banks Power Ram-Air transmission pan for your diesel truck. Select the pan designed for your truck. Key features: * Engineered for the highest heat rejection, improved oil flow, and full oil drainage * FlowThru Fins efficiently transfer heat from the oil to the cover's exterior * More heat absorption surface area than stock * More cooling surface area than stock * Breakaway Ram-Air scoop design prevents pan damage * Allows full fluid drainage
( 1 )
$429.00
Motive Gear master ring and pinion installation kits include everything that's in their regular differential kit—plus pinion shims, carrier shims, and ring gear bolts (where applicable). You also have the option of upgrading to higher quality bearings by adding "T" to the end of the part number on some models. Make a better choice for your ring and pinion installation with Motive Gear differential master bearing kits. Order the model designed for your vehicle application.
( 337 )
$267.99
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$346.99
Spicer Drivetrain Products light-duty U-joints feature journal crosses that are manufactured from high-quality alloy forgings and heat-treated for maximum life. The bearing cups are case-hardened for strength and durability, while the seals are crafted from nitrile rubber for optimum grease retention and contaminant exclusion. Ample grease reservoirs in each trunnion assure effective lubrication; they're pre-filled with high-quality synthetic lithium grease, providing superior friction-reduction and resistance to higher temperatures. These replacement universal joints are available for dozens of positions, in greasable and non-greasable styles. Order the model designed to fit with your vehicle and engine type.
( 153 )
$22.99
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$61.99
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