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 65

ATI Transmission Cooler Line Fittings ATI925143

Fitting, Transmission Line into Case Adapter, -6 AN Male to 9/16 in.-18 Male, Aluminum, Black Anodized, Each

Part Number: ATI-925143

Not Yet Reviewed

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Advance Adapters Hydraulic Clutch Lines for 1987-1993 CHEROKEE, WRANGLER - 716130IR

Advance Adapters Hydraulic Clutch Lines for 1987-1993 CHEROKEE, WRANGLER - 716130IR

Clutch Line, Hydraulic, 42 in. Length, Reusable Swivel, Jeep, Kit

Part Number: ADD-716130IR

4.55 out of 5 stars ( 29 )

Estimated Ship Date: Today

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Hays Hydraulic Release Bearing Feed Line Kits for 2010-2019 CAMARO, 2005-2013 CORVETTE, 2005-2017 MUSTANG - 82-112

Clutch Line, Hydraulic Release Bearing Feed Line, Two -3 AN Adapter Fittings, 36 in. Length, Chevy, Ford, Kit

Part Number: HAY-82-112

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

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Estimated Ship Date: Dec 17, 2025 if ordered today

Quarter Master Bleeder Line Kits 710105

Brake Bleeder Line, Braided Stainless Steel, -3 AN Male, Kit

Part Number: QTM-710105

4.17 out of 5 stars ( 6 )

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UMI Performance 1978-88 GM G-Body Brake Conversion Kits 304647

Brake hub, Aluminum, C5/C6 Brake Conversion Hubs, Bearings, Brackets, Kit

Part Number: UPI-304647

Not Yet Reviewed

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Sikky Manufacturing BRZ/FR-S T56 Clutch Master Cylinder Adapter Kits for 2017-2020 86, 2013-2020 BRZ, 2013-2016 FR-S - MCK111

Clutch Master Cylinder and Slave Cylinder Kits, Clutch Master Cylinder Adapter Kit, T56, Scion, Subaru, Toyota, Kit

Part Number: SKM-MCK111

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

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Estimated Ship Date: Dec 10, 2025 if ordered today

Quarter Master Street Series Hydraulic Throwout Bearing Kits 721100

Throwout Bearing, Street, Hydraulic, Lines, Fittings, Kit

Part Number: QTM-721100

5.0 out of 5 stars ( 2 )

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Howe Remote Bleeder Kits 82879

Remote Bleeder Fitting, Adapts -4AN Line on 3rd Generation 82870 Bleeder Assembly for 8287, Each

Part Number: HRE-82879

Not Yet Reviewed

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Shifnoid Air Shifter Replacement Components PC295

AIR LINE FITTING

Part Number: CTN-PC295

Not Yet Reviewed

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Shifnoid Air Shifter Replacement Components PC315

AIR LINE FITTING

Part Number: CTN-PC315

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

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Estimated Ship Date: Dec 16, 2025 if ordered today

RAM Hydraulic Release Bearings for 2018-2024 MUSTANG - 78177

Throwout Bearings, Hydraulic, Standard Type, 2.550 in. Face Width, Mounting Hardware, Adapters, Bleeder Kit, Ford, Kit

Part Number: RAM-78177

Not Yet Reviewed

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Z Automotive TranZformer Electronic Shift Kits for 2011-2014 300, CHARGER - Z_TZ_G2

TranZformer Gen 2, Electronic shift Kit for 2nd Gen vehicles

Part Number: ZAU-ZTZG2

Not Yet Reviewed

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FTI Performance TH400 Level 4 Transmissions TH400-4K21

Automatic Transmission Package, TH400 level 4, Dipstick & Tube, Cooler Lines, Cooler, FTI ATF Fluid, SST89-0 Racing Billet Stall Converter, Kit

Part Number: FTI-TH400-4K21

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Lokar Midnight Series Stainless Steel Hi-Tech Kickdown Kits XKD-2700HT

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

Part Number: LOK-XKD2700HT

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Allstar Performance Transmission Breather Kits ALL36147

Manual Transmission Vent Tubes, Braided Stainless Steel, Black Nylon Coated, with Remote Breather, 1/8 in. NPT Fitting, Bracket, Each

Part Number: AAF-ALL36147

Not Yet Reviewed

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Lokar Midnight Series Stainless Steel Hi-Tech Kickdown Kits XKD-2400HT

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

Part Number: LOK-XKD-2400HT

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Lokar Midnight Series Stainless Steel Hi-Tech Kickdown Kits XKD-2727HT

Automatic Transmission Kickdown Cable, Midnight Series Hi-Tech, Black Braided Stainless Steel, Black Aluminum Fittings, Chrysler, Torqueflite 727, Kit

Part Number: LOK-XKD-2727HT

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Lokar Midnight Series Stainless Steel Hi-Tech Kickdown Kits XKD-2350HT

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

Part Number: LOK-XKD-2350HT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Lokar Midnight Series Stainless Steel Hi-Tech Kickdown Kits XKD-20C6HT

Automatic Transmission Kickdown Cable, Midnight Series Hi-Tech, Black Braided Stainless Steel, Black Aluminum Fittings, Ford, C-6, Kit

Part Number: LOK-XKD-20C6HT

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Lokar Midnight Series Stainless Steel Hi-Tech Kickdown Kits XKD-2AODHT

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

Part Number: LOK-XKD-2AODHT

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today