Performance & Replacement Transmission & Drivetrain Parts

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.

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Wilwood Wheel Bearing and Seal Kits

Wilwood wheel bearing and seal kits are manufactured to the highest specifications. With the strictest tolerances to ensure the highest performance and long life, they feature a special locknut design to ensure easy adjustment and positive locking. They also include all pieces needed for a trouble-free Wide 5 hub installation. Don't settle for less. When you need a new wheel bearing and seal kit, get a Wilwood wheel bearing and seal kit.

Not Yet Reviewed

$42.29

Classic Performance Rear Axle Conversion Kits

Classic Performance rear axle conversion kits convert your rear to a 5-lug. If you've upgraded your 6-lug truck to a 5x5 in front, then you need to do the same in the back. These kits come complete with axles and may include spider gear and drums as well. Complete your 5-lug conversion with rear axle kits from Classic Performance.

4.74 out of 5 stars ( 53 )

$318.99

Classic Performance Spindle Washer and Dust Cap Kits

Classic Performance spindle washer and dust cap kits are simple, all-in-one packages. They come with the parts needed to install your drum or disc brakes and protect your bearings. The caps are available in different sizes with either a zinc plated or chrome finish. Classic Performance should be your source for spindle washer and dust cap kit replacements.

Not Yet Reviewed

$22.99

XClutch Motorsports Clutch Kits

XClutch Motorsports clutch kits are performance upgrades that have been engineered to provide the ultimate in clutch performance. Utilizing the latest pressure plate design and friction material composition, XClutch upgrades offer the ideal balance between drivability and performance for different vehicle applications. The pivot point and diaphragm design are carefully analyzed to ensure positive pedal feel and increased clamping force. Select the kit for your application needs. XClutch 7.25 in. motorsport range is designed to provide a lightweight, high torque capacity solution for race vehicles such as used in time attack racing. The kits are available in single disc, twin disc, triple disc, and quad plate with a ceramic friction material, and are popular in high horsepower vehicles that use sequential gearboxes, and the lightweight design improves engine response. XClutch 7.25 in. race clutch range is ideal for drivers wanting a strong, high performance race clutch without having to compromise on quality. These kits are designed for high revving circuit or time attack applications and offer quick shift times and a lightweight construction. XClutch 8 in. range is designed to suit a wide range of vehicles commonly used in motorsport applications. As the clutch of choice for many club level racers and drifters around the world, these kits offer a great balance between torque holding capability, and heat capacity. These kits are available in both single and twin disc configurations. XClutch 9 in. range are one of their most adaptable kits for performance upgrades and conversions. They are available in organic, ceramic and carbon and offer exceptional torque capacity for high powered vehicles. The twin disc organic range is ideal for high horsepower street use, whilst the ceramic and carbon options are focused on track use where a higher heat capacity is often required.

Not Yet Reviewed

$1,723.09

Classic Performance Roller Bearing Upgrade Kits

Classic Performance roller bearing upgrade kits should be on your list whenever you are doing a disc brake conversion. Classic Performance recommends you replace your original ball bearings with modern tapered roller bearings to avoid rapid wear.

4.9 out of 5 stars ( 10 )

$118.99

Wilwood Drum Brake Backing Plates

Wilwood offers drum brake backing plates for a variety of applications, including many Ford, Chevy, and GMC axles. These replacements are manufactured from high-strength aluminum alloy and use steel clinch nuts for caliper bracket or accessory mounting. Each backing plate comes fully populated with drum parking brake shoes, springs and adjusters.

4.0 out of 5 stars ( 1 )

$387.95

The Right Stuff Brake Hub Dust Caps

The Right Stuff brake hub dust caps add the finishing style touch, along with enhanced protection to your new disc brake conversion kit. These caps are constructed of quality materials for long-lasting service, and will help prevent dirt and moisture from damaging your wheel bearings. Keep your vehicle pristine—in looks and function with The Right Stuff.

3.5 out of 5 stars ( 2 )

$13.99

Wilwood Compact Remote Side Mount Master Cylinders

Wilwood compact remote side-mount master cylinders fit neatly in your limited-space applications. Their ultra-short compact bodies provide additional clearance, while a full piston stroke meets and exceeds the stroke capacity of most full-size master cylinders. These assemblies allow options for mounting a large or small reservoir directly to the master cylinder body or in a convenient remote location with a connection via a flexible hose. They feature a black E-coated aluminum body that resists corrosion and maintains a tough, long-lasting finish. Don't have a lot of room? It's no problem with Wilwood compact remote side mount brake master cylinder kits, available in a variety of cylinder bore sizes and other options.

1.0 out of 5 stars ( 1 )

$96.95

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$114.61

Classic Performance Roller Bearing Upgrade Kits with Aluminum Hubs

If you want to change your 1955-60 cars to new-style tapered bearings, you'll need Classic Performance roller bearing upgrade kits with aluminum hubs. These complete kits feature forged aluminum hubs for strength, longevity, and weight savings. Installed bearing races simplify the conversion. Update your classic ride with Classic Performance roller bearing upgrade kits with aluminum hubs. Additional information: * Can be used on some 1955-68 full size cars with slip-over style disc brake rotors * Stock replacement for 1961-68 drum brakes

4.72 out of 5 stars ( 18 )

$224.99

Timken Wheel Bearing and Seal Kits

Trust these Timken wheel bearing and seal kits to keep you on the road. Timken uses only the best materials in the construction of these bearings, which are built to meet or exceed manufacturer specifications. Timken wheel bearing and seal kits are available for many popular applications and will get you back on the road in no time.

4.2 out of 5 stars ( 10 )

$49.99

Hurst Axle Conversions With Limited Slip Differentials

Early GM trucks all came with 6-lug axles. Not only does this limit your wheel choices, but it restricts your options on brakes as well. Hurst axle conversion kits offer a solution. The axles in these 5-lug conversions are made from 1541H alloy for supreme strength and durability. The kits are designed for the 8.875 12-bolt rear-end with the axles featuring 30 spline ends, a 5 x 5 in. lug pattern, and have a 30 3/4 in. length. Choose the kit for your year truck and always look to Hurst Engineering for your truck axle needs. Features: * Complete kit includes limited slip differential making installation a breeze * Heat-treated, high-quality 1541H alloy for strength and durability * 30 Spline and 30 3/4 in. long for a direct replacement * 5 x 5 in. lug pattern * Fits 8.875 in. GM truck 12-bolt * Kits include axles, limited slip differential, and drum brake assemblies

Not Yet Reviewed

$1,177.95

Ratech Front Bearing and Seal Kits

Choose Ratech for front bearing and seal kits that meet and exceed OEM specs. Their kits replace your worn bearings for improved handling and safety. Noises that intensify while accelerating or taking a turn could mean worn bearings. Check it out and then restore control to your front-end with Ratech bearing and seal kits.

4.21 out of 5 stars ( 14 )

$28.79

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$30.79

The Right Stuff Wheel Bearing Kits

When it comes time to replace the bearings on the front of your General Motors vehicle, The Right Stuff wheel bearings are just what you need. Typically, the kits come complete with inner and outer wheel bearings, grease seals, retainers, castle nuts, and dust covers (depending on your application). While installing new brake parts, take the time to refresh the front end with The Right Stuff wheel bearings. Individual bearings and/or kits are available for a wide range of vehicles from the 1950s, '60s, and '70s.

4.31 out of 5 stars ( 13 )

$18.99

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$82.99

Currie 9 in. Rear-End Housing Assemblies

Direct-fit Currie 9 in. rear-end axle housing assemblies have OE mounting points designed specifically for your application. This means that you won't have to spend hours cutting and welding in order to install them. These assemblies are available with disc or drum brakes, axles, bearings, and seals--everything you need to upgrade your rear-end, courtesy of Currie Enterprises.

5.0 out of 5 stars ( 7 )

$1,250.00

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$1,750.00

Summit Bucks

DRP Performance Premium Low Drag Bearing Kits

DRP Performance offers premium low drag bearing kits for a wide range of applications, including many Ford, Chevy, and Pontiac cars from the 1960s, '70s, '80s, and '90s. Low drag hub components reduce friction and lower temperatures, making your wheels spin easier, delivering more horsepower to the track—all while reducing maintenance and making your race car faster. Enhance your performance on oval track asphalt, oval track dirt, drag racing, road racing, and street applications. Kits include a DPR bearing spacer, DRP Premium Super finished Bearing Kit, and DRP Ultra low drag seal. Here are details on each component: * DRP Bearing Spacer: A difference you can feel—in the pits and on the track. Bearing spacers make the most difference of any low drag hub upgrade. Properly installed, these spacers will provide an immediate increase in hub free spin, an improvement large enough to feel just by pushing the car around. And the benefit doesn't stop there. Bearing spacers make the most difference when a side load (cornering force) is applied. Drivers have commented on how much faster a car with bearing spacers free rolls when entering and through the center of the corner. Bearing spacers simplify and reduce hub maintenance. Spindle nut torque is no longer sensitive. In fact, with spacers installed, you can tighten the spindle nut as much as you want without overtightening the bearings. (DPR recommends 20-40 lbs.-ft.) Bearings will run cooler and do not need to be repacked as often. Bearing spacers are simple to install. DRP bearing spacers have a threaded adjustment, allowing the user to quickly set bearing end play or preload. A set-screw locks the spacer at the desired adjustment. Once installed, they do not need to be readjusted unless you replace the hub or bearings. Bearing spacers are used in virtually every application in professional motorsports. * DRP Premium Super finished Bearing Kit: Reduce bearing temperature by over 100 degrees F verses stock bearings! Increase free spin by over 250 percent! DPR starts with premium quality bearings and puts them through a super finishing process. This process removes the grind marks and greatly smooths the surface of the bearing roller, while leaving a "hatch" pattern to retain grease. Quality wheel bearings will last the life of most racing applications. * DRP Ultra Low Drag Seal: …billet aluminum, full PTFE sealing lip, reusable, great for any application: dirt, asphalt, road race, street Decrease seal drag by over 1,000 percent! Air gap seals create an "air curtain" to keep debris out and eliminate drag completely! DRP Ultra Low Drag hub seals are true, purpose-built, high performance seals. The housing is made from lightweight aluminum. The sealing element is a special PTFE blend, giving it natural low friction qualities. Seals are reusable. Order the kit recommended for your vehicle.

Not Yet Reviewed

$49.95

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$88.56

Wilwood Axle Bearing Retainer Plates

Wilwood has the necessary accessories and replacement parts to keep brake systems working like clockwork, including axle bearing retainer plates. These retainer plates features laser-cut steel construction and are engineered to fit specific applications to assist your with your repair, rebuild, restoration or upgrade.

4.86 out of 5 stars ( 7 )

$10.51

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$12.26

Currie Extreme 60 Crate Axles

Currie Extreme 60 high-pinion rear crate axles are the strongest 60 Series axles offered, designed for severe off-road use with up to 40 in. tires and V8 conversion horsepower. They're available in different gear ratios and center section locker types. Order the model recommended for your Jeep application. Extreme 60 features: * High-pinion design with ring gear load bolt * High-clearance radius bottom center section * Low-friction hardened steel skid plate * Desert racing-inspired full-floating hub assemblies * Full-floating 35-spline 4340 chromoly axles * Large 13.5 in. brake rotors

Not Yet Reviewed

$9,500.00

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$10,100.00

LEED Brakes Wheel Seals

LEED Brakes offers wheels seals for a wide range of vehicles—including hundreds of Buick, Chevy, GMC, Oldsmobile, and Pontiac models from the 1960s and up. The steel/rubber replacements are ideal for countless disc brake conversion applications. Order the wheel seals recommended for your ride.

Not Yet Reviewed

$14.99

EMPI Stub Axles

EMPI stub axles are available in different versions, such as the conversion stub axle for Type 1 IRS arms to 930 CV joints, and micro stub axles. The stub axles feature precision CNC machining for a precise fit and reliable performance. Their key benefits include superior strength and durability due to forged chromoly construction and heat treatment, versatile compatibility with both drum or disc brakes and various IRS setups, and enhanced performance by allowing use of stronger Porsche 930 CV joints for high-stress applications. Select the axles designed for your application needs.

Not Yet Reviewed

$126.15

FAG USA Wheel Bearings

FAG USA wheel bearings are compact bearing units, manufactured with a defined, preset bearing clearance. The results are rugged design, as well as for-life (no maintenance) lubrication and sealing. They feature angular contact ball bearings for both front and rear wheels, ensuring optimum performance in the most demanding situations. Fischer Aktien-Gesellschaft (FAG) has been around for over 100 years and part of the automotive industry for more than 50 of them. Put your trust in proven manufacturing and components with FAG USA wheel bearings—available for hundreds of applications.

5.0 out of 5 stars ( 3 )

$15.99

Clearance

Centric Premium Wheel Bearing and Hub Assemblies

Centric premium wheel bearing and hub assemblies has the widest range of assemblies on the market for all types of vehicles for exact fit and function. Get your axles and wheels working together smoothly to maximize the power between the ground and your vehicle with these OE-quality wheel hub replacements. Made to exact OEM specifications to ensure reliability, durability, and performance. Connecting the wheels to the chassis is crucial. Don't get caught on the road with a loose wheel, get some Centric premium wheel bearing and hub assemblies.

Not Yet Reviewed

$49.99

$33.50

ACDelco GM Genuine Parts Transmission Vent Tubes

ACDelco GM Genuine Parts transmission vent hose and tubes relieve internal air pressure fluctuations caused by the heating and cooling of the transmission and help to keep out dirt. They are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These true OE parts will provide the same fit and performance as the originals they are replacing.

4.2 out of 5 stars ( 5 )

$3.99

Centric C-Tek Standard Wheel Bearings

Centric C-Tek standard bearings are offered in a full range of automotive and light truck applications. They offer superior value and performance, with both roller and taper-style models. Order the size recommended for your specific vehicle.

Not Yet Reviewed

$10.99

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$11.99

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