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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Results 1 - 25 of 802

American Powertrain Hydramax Hydraulic Clutch Release Systems HMGM01101G

Throwout Bearing Conversion, Hydraulic, Hydramax, GM, TKO/TKX/Muncie/Saginaw/Richmond/Lenco, Kit

Part Number: AWR-HMGM01101SR

3.93 out of 5 stars ( 40 )

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Summit Racing™ Kickdown Cable Kits SUM-200039

Automatic Transmission Kickdown Cable, Braided Stainless Steel Jacket, Carburetor, Ford, C-6, Kit

Part Number: SUM-200039

4.0 out of 5 stars ( 15 )

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Chevrolet Performance SuperMatic 6L80-E Transmission Kits 19366637

Automatic Transmission Package, SuperMatic 6L80E, 2,400-2,800 Stall Converter, Chevrolet, LSX Engines, RWD, Kit

Part Number: NAL-19366637

Not Yet Reviewed

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Lokar Hi-Tech Kickdown Kits KD-2AODHT

Lokar Hi-Tech Kickdown Kits KD-2AODHT

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, Ford, Lincoln, Mercury, AOD, Kit

Part Number: LOK-KD2AODHT

4.88 out of 5 stars ( 52 )

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Rhodes Race Cars Fabricated Ford 9 in. Housings 16-0001-60

Axle Housings, Fabricated Ford 9 in. Housings, Mild Steel, Natural, 3.00 in. Axle Tube Diameter, 60.00 in. Overall Length, Ford 9 in., Each

Part Number: RHC-16-0001-60

5.0 out of 5 stars ( 4 )

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Lokar Hi-Tech Kickdown Kits KD-2700HT

Automatic Transmission Kickdown Cable, Hi-Tech, Braided Stainless Steel, Natural Aluminum Fittings, GM, 700R4, Kit

Part Number: LOK-KD-2700HT

4.85 out of 5 stars ( 34 )

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Reid Racing Super Hydra 400 Transmission Cases SH400DRAG

Automatic Transmission Case, Super Hydra 400, A Option, 0.435 in. Thick PP, Call for Thinner Options, SFI 4.1, Aluminum, Natural, GM TH400, Each

Part Number: REI-SH400DRAG

5.0 out of 5 stars ( 1 )

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McLeod 1400 Series Hydraulic Throwout Bearings 14-302

Throwout Bearing, Hydraulic, Self-aligning, 1.125 in. Input Shaft, T-56, 26-spline, Collar I.D. 4.68 Each

Part Number: MCL-14-302

2.88 out of 5 stars ( 8 )

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Reid Racing Super Hydra 400 Transmission Cases SH400OFF

OFFROAD TRANSMISSION CASE

Part Number: REI-SH400OFF

5.0 out of 5 stars ( 3 )

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Moroso Transmission Pans 42020

Transmission Pan, Deep, Aluminum, Natural, Includes Filter Spacer, GM, TH400, Each

Part Number: MOR-42020

4.82 out of 5 stars ( 17 )

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Lokar Hi-Tech Kickdown Kits KD-2350HT

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD-2350HT

4.89 out of 5 stars ( 38 )

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Lokar Hi-Tech Kickdown Kits KD-2727HT

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, Torqueflite 727, Kit

Part Number: LOK-KD-2727HT

4.62 out of 5 stars ( 58 )

Estimated Ship Date: Tomorrow

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Lokar Hi-Tech Kickdown Kits KD-2400HT

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH400, Kit

Part Number: LOK-KD2400HT

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

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RAM Hydraulic Release Bearings 78125HD

Throwout Bearing, Hydraulic, 1.375 in. Retainer Diameter, Lever Style Clutch, universal, Each

Part Number: RAM-78125HD

4.58 out of 5 stars ( 26 )

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McLeod 1300 Series Hydraulic Throwout Bearings 1350

Throwout Bearing, 1300 Series Hydraulic, Adjustable Height Piston, for 2.50 in. - 2.99 in. A Dimensions, 26-spline Input, Tremec TKX, Each

Part Number: MCL-1350

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Lokar Hi-Tech Kickdown Kits KD-20C6HT

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, Ford, Lincoln, Mercury, C-6, Kit

Part Number: LOK-KD-20C6HT

4.73 out of 5 stars ( 30 )

Estimated Ship Date: Tomorrow

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Lokar Hi-Tech Kickdown Kits KD-20C4HT

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, Ford, Lincoln, Mercury, C-4, Kit

Part Number: LOK-KD-20C4HT

4.95 out of 5 stars ( 21 )

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Ford Performance Parts Axle Girdles M-4033-G2

Differential Cover, Aluminum, Cap Support, Drain/Filler Plugs, Bolts, Gaskets, Low Profile, Ford, Kit

Part Number: FMS-M-4033-G2

4.99 out of 5 stars ( 67 )

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Rhodes Race Cars Fabricated Ford 9 in. Housings 16-0002-60

Axle Housings, Fabricated Ford 9 in. Housings, Chromoly, Natural, 60.00 in. Overall Length, 3.500 in. Axle Tube Diameter, Ford 9 in., Each

Part Number: RHC-16-0002-60

Not Yet Reviewed

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McLeod Direct-Fit Hydraulic Conversion Kits for 1964-1972 CHEVELLE - 1434004QD

Clutch Master Cylinder, Direct Fit Hydraulic Conversion, Braided Stainless Steel Hose, Clutch Pedal, Chevy, Kit

Part Number: MCL-1434004QD

4.0 out of 5 stars ( 7 )

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ARB Air Locker 30 Spline Differential Dana 44 RD116

Differential Carrier, Air Locker, Nodular Iron, 30-spline, Dana 44, Kit

Part Number: ARB-RD116

Not Yet Reviewed

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RAM Hydraulic Release Bearings 78131

Throwout Bearing, Hydraulic, GM, Tremec TKO, Tremec TKX, Each

Part Number: RAM-78131

4.0 out of 5 stars ( 5 )

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McLeod 1400 Series Hydraulic Throwout Bearings 1406-30

Throwout Bearing, Hydraulic, Self-aligning, 1.063 in. Input Shaft Diameter, Chrysler, Big Block, Liberty, Each

Part Number: MCL-1406-30

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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McLeod 1400 Series Hydraulic Throwout Bearings 1400-30

Throwout Bearing, Hydraulic, 1 1/16 in. Shaft Diameter, Universal, Each

Part Number: MCL-1400-30

4.0 out of 5 stars ( 3 )

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Moog Premium U-Joints 348

Universal Joint, 1310 to 1350 Conversion, Greasable, Steel, Each

Part Number: MOG-348

4.69 out of 5 stars ( 32 )

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Advance Adapters Jeep AX15 Transmission Bellhousing Adapters for 1989-1993 CHEROKEE, WRANGLER, 1989-1992 COMANCHE - 712590-IR

Bellhousing, External Hydraulic Upgrade, Release Bearing and Lever, Slave Cylinder, Bearing Retainer, Hardware, Jeep, AX15, Kit

Part Number: ADD-712590-IR

3.6 out of 5 stars ( 5 )

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