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 57

Sonnax Signal Accumulator Pistons 154740-06K

Automatic Transmission Signal Accumulator Pistons, Aluminum, Chevy, GMC, Cadillac, Kit

Part Number: SOX-154740-06K

5.0 out of 5 stars ( 1 )

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Summit Racing™ Direct-Fit Restoration Dash-Mount Shift Indicator for 1984-1991 Chevy/GMC C/K Trucks, Blazer/Jimmy SUM-RP22470

Shift Indicator, Restoration, 1984-1991 Chevy/GMC Truck, OEM Replacement, Assembly, GM Truck, Replaces OEM part 25078572, Each

Part Number: SUM-RP22470

5.0 out of 5 stars ( 2 )

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Bowler Performance All-in-One Transmission Wiring Harnesses 7100000

Transmission Harness, All-In-One Transmission Wiring Harness, Manual, T-56, Ford, GM, Each

Part Number: BTM-7100000

5.0 out of 5 stars ( 3 )

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Z Automotive Jeep JL/JT Z-Locker OEM Controller Harnesses for 2020-2023 GLADIATOR, 2018-2021 WRANGLER - Z_LKR_OEM

Wiring Harness, Jeep JL/JT Z-Locker OEM Controller Harness, for Use with OEM Lockers, Jeep, Each

Part Number: ZAU-Z-LKR-OEM

5.0 out of 5 stars ( 29 )

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Advance Adapters 6-Bolt to 4-Bolt Tailshaft Adapters 50-0405E

Advance Adapters 6-Bolt to 4-Bolt Tailshaft Adapters 50-0405E

Tailshaft Adapter, 6-Bolt To 4-Bolt, Billet Aluminum, Natural, GM 4L60E, 4WD, Each

Part Number: ADD-50-0405E

5.0 out of 5 stars ( 15 )

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RevMax Billet High Performance Towing/HD Valve Bodies 68RFE-301A

Valve Body, Billett Aluminum,Towing/HD. Dodge, 68RE, Gray Plug, Each

Part Number: RVM-68RFE-301A

5.0 out of 5 stars ( 3 )

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Summit Racing™ Governor Recalibration Kits SUM-700316

Governor Recalibration Kit, TH350, TH400, 700R4, Kit

Part Number: SUM-700316

4.33 out of 5 stars ( 3 )

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Summit Racing™ Direct-Fit Restoration Shift Indicator for 1984-1991 Chevy/GMC C/K/R/V Series Trucks, Blazer, Jimmy, Suburban SUM-RP22469

Shift Indicator, Restoration, 1984-1991 Chevy/GMC Truck, OEM Replacement, Assembly, GM Truck, Replaces OEM part 25078571, Each

Part Number: SUM-RP22469

5.0 out of 5 stars ( 4 )

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Sonnax Line Pressure Booster Kits RFE-LB1

Pressure Booster, Line Pressure, Electric, Kit

Part Number: SOX-RFE-LB1

4.43 out of 5 stars ( 14 )

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Summit Racing™ Dash-Mount Direct-Fit Restoration Shift Indicator for 1973-1979 Chevy/GMC C/K Series Trucks, Blazer, Jimmy SUM-RP22466

Shift Indicator, Restoration, 1973-1979 Chevy/GMC Truck, OEM Replacement, Assembly, GM Truck, Replaces OEM part 06497647, Each

Part Number: SUM-RP22466

5.0 out of 5 stars ( 1 )

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ATI Output Shafts ATI406027

Output Shaft, Turbo 400, 32 Spline, Forged 4340 Steel, Each

Part Number: ATI-406027

4.4 out of 5 stars ( 5 )

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Summit Racing™ Direct-Fit Restoration Shift Indicator for 1979-1983 Chevy/GMC C/K Series Trucks SUM-RP22467

Shift Indicator, Restoration, 1979-1983 Chevy/GMC Truck, OEM Replacement, Assembly, GM Truck, Replaces OEM part 25023575, Each

Part Number: SUM-RP22467

5.0 out of 5 stars ( 1 )

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Crown Automotive Manual Locking Hubs for 1981-1983 CJ5, 1981-1986 CJ7, 1981-1985 SCRAMBLER - 400526

Locking Hubs, Manual, 27-spline, 5 Bolts, Chrome Steel Housing, Black Plastic Dial, Jeep, Set

Part Number: CWA-400526

5.0 out of 5 stars ( 4 )

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American Powertrain Reverse Lockout Modules ELUN-10013

Reverse Lockout Module, Ford/Chevy T-56, Tremec Magnum, 6-Speed, Each

Part Number: AWR-ELUN-10013

5.0 out of 5 stars ( 3 )

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Z Automotive Jeep JL/JT Z-Locker Controller Harnesses for 2020-2022 GLADIATOR, 2018-2021 WRANGLER - Z_LKR_CTLR

Wiring Harness, Jeep JL/JT Z-Locker Controller Harness, for Use with Aftermarket E-Lockers or Air Lockers, Jeep, Each

Part Number: ZAU-Z-LKR-CTLR

5.0 out of 5 stars ( 1 )

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Crown Automotive Manual Locking Hubs 400502

Locking Hubs, Manual, 27-spline, 6 Bolts, Chrome Steel Housing, Black Plastic Dial, Jeep, Set

Part Number: CWA-400502

5.0 out of 5 stars ( 3 )

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Summit Racing™ Neutral and Backup Safety Switches SUM-RP21429

Neutral Safety Switch, Back Up Switch.With Manual Trans, Restoration, Chevy, Pontiac, GM#3983965 , Each

Part Number: SUM-RP21429

4.0 out of 5 stars ( 4 )

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ACDelco GM Genuine Parts Camshaft Position Sensors 12623093

Camshaft Position Sensor, GM OE, Cadillac, Chevy, GMC, Each

Part Number: ADO-12623093

Not Yet Reviewed

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Summit Racing™ Direct-Fit Restoration Shift Indicator for 1982-1983 Chevy/GMC C/K Series Trucks, Blazer, Jimmy SUM-RP22468

Shift Indicator, Restoration, 1982-1983 Chevy/GMC Truck, OEM Replacement, Assembly, GM Truck, Replaces OEM part 25046042, Each

Part Number: SUM-RP22468

Not Yet Reviewed

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Crown Automotive Manual Locking Hubs 400518

Locking Hubs, Manual, 19-spline, 6 Bolts, Chrome Steel Housing, Dana 44, Chevy, Dodge, Ford, GMC, Jeep, Set

Part Number: CWA-400518

Not Yet Reviewed

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Sonnax Line Pressure Booster Kits 77805E-K

TCC APPLY VALVE KIT

Part Number: SOX-77805E-K

Not Yet Reviewed

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Sonnax 3-4 Relay O-Ringed End Plug Kits 77964-08K

Plug Kit, 3-4 Shift, Kit

Part Number: SOX-7796408K

5.0 out of 5 stars ( 3 )

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TCI Transmission Vacuum Modulators 280001

Vacuum Modulator, Adjustable, GM, Powerglide, Each

Part Number: TCI-280001

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

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TCI Transmission Vacuum Modulators 360001

Transmission Vacuum Modulator, Steel, Screw-in Style, White Strip, Ford, C-4, C-6, Each

Part Number: TCI-360001

3.0 out of 5 stars ( 2 )

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Summit Racing™ Neutral and Backup Safety Switches for 1969 CHEVELLE - SUM-RP21425

Neutral Safety Switch , Plastic, Manual Transmission, Pedal Activated, Chevy, GM#1993490 , Each

Part Number: SUM-RP21425

5.0 out of 5 stars ( 2 )

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