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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TCI Filler Tubes and Dipsticks

TCI introduces a fresh line of quality filler tubes. Applications for the most popular Ford, GM, and Chrysler transmissions are available. Most of the dipsticks feature a locking stick that satisfies sanctioning bodies' racing rules. The rubber boot seal is a vast improvement over the small O-ring typically used on older OEM tube designs.

4.32 out of 5 stars ( 189 )

$65.95

TCI Transmission Pans

Investing in TCI transmission pans ensures the longevity of your transmission. They offer a selection of designs, depths, materials, and finishes to keep your transmission cooler and your undercarriage looking good. Skip the pans of lesser quality doomed to warp and leak; choose the policy of lasting performance from TCI transmission pans. TCI cast aluminum pans feature: * Exterior cooling fins wick away and dissipate heat * Provides additional strength and rigidity to transmission case * Ensures long transmission service-life * Include all required accessories and hardware necessary for installation TCI Max-Cool aluminum pans feature: * Black powdercoated finish * Large fluid capacity reduces internal transmission temperature * Exterior cooling fins wick away and dissipate heat * Aircraft-quality aluminum construction for strength and durability * Magnetic drain plug TCI polished die-cast aluminum pans feature: * Thicker than stock pans * Finned and polished to a high luster * Stock depth to avoid ground clearance issues * Includes drain plug for simpler fluid and filter changes * Includes necessary gaskets, filters, and installation hardware TCI chrome-plated steel pans feature: * Stock depth is easy to install * Includes drain plugs * Thicker than stock for added durability * Chrome prevents rust and adds show quality looks

4.2 out of 5 stars ( 187 )

$169.95

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$256.95

Dorman Torque Converter Bolts

Are you trying to locate just the right bolt to complete your clutch repair? Dorman's torque converter bolts ensure the correct bolt length, thread pitch, and strength. These high-quality, steel-constructed bolts are coated with black oxide for corrosion resistance, and the threads are coated with a special thread-locking compound to maintain proper bolt torque. These direct replacements provide a proper fit every time--no special tools are required for installation.

5.0 out of 5 stars ( 11 )

$5.99

McLeod Flywheel Counter Balance Weight Kits

Got a neutral balanced flywheel and externally balanced engine? McLeod flywheel counter balance weight kits are your solution. Their weights when bolted to "0" or neutral balanced McLeod flywheels turn them into a externally balanced application. They offer various bolt-on style counter weights for Chevy, Chrysler, and Ford engine applications. Solve your weight ptoblem with McLeod flywheel counter balance weight kits.

4.71 out of 5 stars ( 7 )

$45.00

TCI Sprags and Roller Clutch Kits

These sprags and roller clutch kits from TCI are all-new OEM assemblies. Replacing the forward sprag assembly and low-reverse roller clutch is a must when building a high performance 700R4/4L60E. These forward sprags are 29-element, which makes them ideal upgrades for earlier 700R4 transmissions that were built with weaker sprags from the factory.

4.33 out of 5 stars ( 3 )

$47.95

TransGo Automatic Transmission Boost Valves

If your transmission isn't performing properly, then you may need one of these TransGo automatic transmission boost valves. They are available in different diameters that provide increased line pressure so that your transmission will work correctly when used under conditions other than what the factory intended. Get the correct pressure with TransGo automatic transmission boost valves and you'll increase your transmission's reliability.

4.72 out of 5 stars ( 29 )

$18.00

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$25.71

TCI Replacement Steel Transmission Pans

TCI steel transmission pans are the perfect replacement for performance and appearance beneath your vehicle. These steel reservoirs are thicker than stock for longevity, and some models are beautifully chrome plated to further prevent rust—in addition to including a drain plug to facilitate fluid maintenance. Over time, many transmission pans develop a warped, leaky gasket flange, or become damaged by road debris. Protect your transmission by bolting on one of these economical replacement upgrades from TCI.

4.35 out of 5 stars ( 68 )

$85.95

Dorman Clutch Forks

Maintain smooth clutch operation with one of these Dorman clutch forks. They are manufactured from durable stamped steel to reduce flexing and increase life expectancy. Made to meet or exceed OEM tolerances, Dorman clutch forks can be installed easily without making any modifications.

4.33 out of 5 stars ( 3 )

$50.99

TCI EZ-TCU Transmission Controller Main Harnesses

TCI EZ-TCU main harnesses are the replacements you need to keep your transmission control unit connected to performance. These are identical to the originals that came with your units, and they offer the right fit and function for your controller. Whether you need them because of damage, loss, or the desire to have a spare on hand, TCI EZ-TCU main harnesses are available as replacements so that you can continue maximum control over shift points, shift firmness, and shift speed.

Not Yet Reviewed

$225.95

TCI Internal Wiring Harnesses

TCI offers these internal wiring harnesses as quality replacements for damaged originals. They can also be used to update your system to a later-style harness.

Not Yet Reviewed

$195.95

PRW Elite Series Flexplates

PRW offers Elite Series flexplates for a variety of applications, including many Chevy V8 engines from 1955 and up. They're designed as the highest horsepower-level LS flexplates, rated for 3,500 hp at up to 12,500 rpm. These replacements are machined from premium billet steel and are perfectly suitable for high-revving, forced induction, and nitrous-fed applications for drag racing, Circle Track, and off-road. PRW engineered the design with high-precision balancing, which allows each flexplate to work with greater smoothness and for a longer time. The flexplates are coated with black oxide to protect against corrosion. Racers and enthusiasts: push your engine to the limit without compromising durability! Order the flexplate recommended for your vehicle.

Not Yet Reviewed

$364.45

TCI 10-Vane Billet Rotor Kits

Precision-fit your transmission front oil pump with TCI 10-vane billet rotors. Factory 10-vane systems and 13-vane powdered metal aftermarket kits have got nothing on these TCI billet rotors. Machined from 8620 billet steel, TCI 10-vane pump rotors are strong and the vanes are precision-machined to exacting tolerances. Perform with proper fluid circulation and consistent line pressure--no matter what your level of performance is--with TCI 10-vane billet rotors pumping in your transmission.

5.0 out of 5 stars ( 2 )

$321.95

ATP Automatic Transmission Shifter Cables

Service your automatic transmission with quality parts from ATP. Their shifter cables are available for many applications and meet or exceed OE standards. They are offered in more than a dozen lengths and configurations. Order the replacements recommended for your vehicle.

3.78 out of 5 stars ( 65 )

$31.99

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$95.99

On Sale

QuickTime Bellhousing Spacers

QuickTime bellhousing spacers are a great way to make more clearance for your clutch. They are made from quality materials and are zinc plated for a long-lasting finish.

4.89 out of 5 stars ( 9 )

$170.95

TCI High Performance Servo Kits

TCI high performance servo kits eliminate fluid loss under harsh driving conditions. A must for any performance-oriented transmission, these servo kits from TCI are designed to deliver more band force for longer life and better operation. Other features include a billet aluminum servo cover that eliminates fluid loss under hard-driving conditions, a premium mounting gasket, and mounting hardware.

4.29 out of 5 stars ( 14 )

$98.95

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$165.95

Clearance

ATP Automatic Transmission Axle Seals

ATP Automatic transmission axle seals are quality OE replacements to help maintain your vehicle and the dollars in your wallet. Doing the job yourself is great and having the right parts make the chore easier. ATP offers drive axle seals that fit your application right the first time for a job well done and on-budget. Let ATP help keep you in motion with replacement automatic transmission drive axle seals.

5.0 out of 5 stars ( 2 )

$7.99

$6.50

Pioneer Automatic Transmission Shifter Cables

Pioneer offers replacement shifter cables for a wide range of automatic transmission vehicles. When changing gears becomes more difficult or altogether impossible, a new cable may correct the problem. They're made from quality materials with the correct fittings on each end for fitment on specific year/make/model cars and trucks. Match your specs to the Pioneer automatic transmission shifter cable engineered for flawless performance.

3.75 out of 5 stars ( 12 )

$38.99

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$76.99

Pioneer Automatic Transmission Filters

Pioneer automatic transmission filters are high-quality direct-fit units available in a variety of styles that do a fantastic job of filtering the good from the bad. Pioneer designs these filters specifically for your transmission—therefore, verifiable fitment is not an issue. Avoid the dirt, dust, and other debris that can cause premature transmission wear and a potential lockup when you order Pioneer automatic transmission filters.

5.0 out of 5 stars ( 2 )

$19.99

TCI Automatic Transmission Clutch Steels

Are you looking to upgrade the steels in your transmission's clutch pack? TCI has you covered with their premium-quality clutch steels. When it comes to quality performance, TCI has you covered.

Not Yet Reviewed

$41.95

LuK Clutch Replacement Clutch Forks

As an original-equipment supplier, LuK replacement clutch forks offer OE-quality engineered and manufactured for flawless performance. Their release forks provide the same fit and function as the originals they are replacing, and the installation will be hassle-free. Choose the clutch fork designed by LuK to fit your vehicle.

Not Yet Reviewed

$44.99

Yukon Gear & Axle Master Overhaul Kits

Yukon Gear & Axle master overhaul kits are what you need for a successful differential rebuilding. All of the high-quality parts that you need are provided to do your job right. Yukon master kits go through extensive research to ensure a perfect fit and hassle-free install utilizing the best components, including Timken bearings and races! Choose from their huge selection of kits to meet your replacement application. Yukon Gear & Axle master overhaul kits may include: * Pinion bearings * Carrier bearings * Pinion seal * Crush sleeve or preload shims * Pinion depth shims * Carrier shims (varies by application) * Gear marking compound and brush * Pinion nut * Baffles and slingers (varies by application) * Gasket and/or silicone * Ring gear bolts (for application) * 20-page instruction manual

4.66 out of 5 stars ( 108 )

$634.99

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