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 1208

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

3.9 out of 5 stars ( 41 )

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RCV Ultimate IWE Eliminator Sets for 2003-2024 EXPEDITION, NAVIGATOR, 2004-2024 F-150 - IWE-FD

Hub Conversion, Manual to Automatic, Ford, Lincoln, Pair

Part Number: RCV-IWE-FD

5.0 out of 5 stars ( 3 )

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Shiftworks Shifter Conversion Kits SC2262

Shiftworks Shifter Conversion Kits SC2262

Shifter Conversion Kit, Shifter Cable Bracket, Chevy, Pontiac, Kit

Part Number: SIW-SC2262

4.69 out of 5 stars ( 13 )

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Mile Marker Part-Time Transfer Case Conversions 502

Manual Front Hub, Conversion, Chevy, Ford, GMC, with NP203 Transfer Case, Kit

Part Number: MMK-502

4.4 out of 5 stars ( 15 )

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Lokar Floor Mount Cable Conversion Kits ATA-7006

Shifter Conversion Kits, Automatic, Floor Mount to Cable Actuated, 48.00 in. Cable Included, for 4L60E, for 4L80E, for Lokar Shifters, Chevy, GM, Kit

Part Number: LOK-ATA-7006

5.0 out of 5 stars ( 1 )

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McLeod Hydraulic Throwout Bearing Conversions for 1979-2004 MUSTANG - 14-325

Throwout Bearing Conversion, Hydraulic, Ford, Each

Part Number: MCL-14-325

5.0 out of 5 stars ( 4 )

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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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Shiftworks Shifter Conversion Kits for 1968-1969 CAMARO - SC2244

Shifter Conversion Kit, Shifter Cable Bracket, Chevy, Kit

Part Number: SIW-SC2244

4.88 out of 5 stars ( 8 )

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Lokar Floor Mount Cable Conversion Kits ATA-7003

Shifter Conversion Kits, Automatic, Floor Mount Cable Conversion Kits, Bracket, 48.00 in. Cable, for Lokar Shifters Only, Ford, AOD, AODE, 4R70W, Kit

Part Number: LOK-ATA-7003

5.0 out of 5 stars ( 1 )

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Mile Marker Part-Time Transfer Case Conversions 501

Transfer Case Conversion, Chevy, Ford, GMC, with NP203 Transfer Case, Kit

Part Number: MMK-501

3.91 out of 5 stars ( 11 )

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American Powertrain Hydramax Hydraulic Clutch Release Systems HMGM01201G

Throwout Bearing Conversion, Hydraulic, Hydramax, GM, Magnum/GM LS T-56/Viper T-56, Kit

Part Number: AWR-HMGM01201SR

5.0 out of 5 stars ( 10 )

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American Powertrain Hydramax Hydraulic Clutch Release Systems for 1965-1966 MUSTANG - HMFO02501G

Throwout Bearing Conversion, Hydraulic, Hydramax, Ford, TKO/Magnum/T-56/Richmond/TR 3650, Kit

Part Number: AWR-HMFO02501G

5.0 out of 5 stars ( 1 )

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American Powertrain Hydramax Hydraulic Clutch Release Systems for 1967-1970 MUSTANG - HMFO02601G

Throwout Bearing Conversion, Hydraulic, Hydramax, Ford, TKO/Magnum/T-56/Richmond/TR 3650, Kit

Part Number: AWR-HMFO02601G

3.0 out of 5 stars ( 4 )

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American Powertrain Hydramax Hydraulic Clutch Release Systems HMCH01101G

Throwout Bearing Conversion, Hydraulic, Hydramax, Mopar, A-833, 23-Spline Input Shaft, Kit

Part Number: AWR-HMCH01101G

3.8 out of 5 stars ( 5 )

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Shiftworks Shifter Conversion Kits for 1971-1972 CHEVELLE - SC2243

Shifter Conversion Kit, Shifter Cable Bracket, Chevy, Kit

Part Number: SIW-SC2243

5.0 out of 5 stars ( 5 )

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Shiftworks Shifter Conversion Kits for 1984-1987 EL CAMINO, 1984-1988 MONTE CARLO - SC248-05

Shifter Conversion Kit, Shifter Cable Bracket, 4L80E, Chevrolet, Kit

Part Number: SIW-SC248-05

5.0 out of 5 stars ( 2 )

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Hays Hydraulic Release Bearing Kits 82-100

Throwout Bearing, Hydraulic Release Bearing Conversion, Bearing Assembly, Braided Steel Hose, Shims, Chevy, Kit

Part Number: HAY-82-100

3.0 out of 5 stars ( 2 )

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Shiftworks Shifter Conversion Kits for 1973-1978 CAMARO - SC2261

Shifter Conversion Kit, Bracket, Lever, Window, Chevy, Kit

Part Number: SIW-SC2261

Not Yet Reviewed

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Silver Sport Hydraulic Clutch Conversion Kits HFSKTKX

Hydraulic Clutch Slave Cylinder Kit Ford Tremec TKO TKX

Part Number: IST-HFSKTKX

5.0 out of 5 stars ( 1 )

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Shiftworks Shifter Conversion Kits for 1968-1972 CAMARO, CHEVELLE, 1968-1969 IMPALA - C351-1

Shifter Conversion Kit, Shifter Cable Bracket, Chevy, Kit

Part Number: SIW-C351-1

5.0 out of 5 stars ( 6 )

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Shiftworks Shifter Conversion Kits S105-DB

Shifter Conversion Kit, Linkage, Detent, Neutral Safety/Backup Light Switch, Hardware, Chevrolet, Pontiac, Overdrive Transmission Swap, Kit

Part Number: SIW-S105-DB

4.0 out of 5 stars ( 4 )

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Holley Hydraulic Throwout Bearing Conversion Kits for 1970-1981 CAMARO, FIREBIRD - 319-911

Throwout Bearing Conversion, Hydraulic, Slave Cylinder, Reservoir, Clutch Pedal, Chevy, Pontiac, Kit

Part Number: HLY-319-911

Not Yet Reviewed

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Shiftworks Shifter Conversion Kits for 1982-1992 CAMARO - K300-04B

Shifter Conversion Kit, Shifter Cable, 30 in., Bracket, Lever, THM350, THM400, THM700-R4/4L60/MD8, 4L60E, 4L70E, Chevy, Kit

Part Number: SIW-K300-04B

Not Yet Reviewed

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Sonnax Torque Converter Conversion Kits GM-RK-21

TORQUE CONVERTER

Part Number: SOX-GM-RK-21

Not Yet Reviewed

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Lokar Floor Mount Cable Conversion Kits ATA-7002

Shifter Conversion Kits, Automatic, Floor Mount to Cable Actuated, 48.00 in. Cable Included, for Lokar Shifters, Chevy, GM, 700R4, 4L60, 200-4R, Kit

Part Number: LOK-ATA-7002

5.0 out of 5 stars ( 2 )

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