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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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.

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.

Individual Parts

Results 1 - 25 of 214

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

Part Number: ATI-925143

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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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Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, Ford, C-6, Kit

Part Number: LOK-KD-20C6U

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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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 )

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Power Steering Reservoirs, Firewall Mount, Left Hand Inlet, Aluminum, Natural Finish, -10 AN Supply, -6 AN Return, 8.0 in. Tall, with Cap, Each

Part Number: AAF-ALL36136

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Power Steering Reservoirs, Firewall Mount, Right Hand Inlet, Aluminum, Natural Finish, -10 AN Supply, -6 AN Return, 8.0 in. Tall, with Cap, Each

Part Number: AAF-ALL36137

Not Yet Reviewed

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

Part Number: LOK-KDP-20C6HT

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 13, 2025 if ordered today

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Estimated Ship Date: Nov 13, 2025 if ordered today

Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Polished Aluminum Fittings, Ford, Lincoln, Mercury, C-6, Kit

Part Number: LOK-KDP-20C6U

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

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Estimated Ship Date: Nov 13, 2025 if ordered today

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

Part Number: LOK-KD-20C6BLD

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

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Estimated Ship Date: Nov 13, 2025 if ordered today

Automatic Transmission Kickdown Kit, Vintage Series, Ford, C-6, Black/Red, Kit

Part Number: LOK-VS-20C65

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Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

Clutch Cable, Armor Coat, Adjustable, +6 in. Length, Harley-Davidson®, Each

Part Number: BKC-66-0368

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Automatic Transmission Kickdown Kit, Vintage Series, Ford, C-6, Black/White, Kit

Part Number: LOK-VS-20C63

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Estimated Ship Date: Nov 13, 2025 if ordered today

Automatic Transmission Kickdown Kit, Vintage Series, Ford, C-6, Tan/Black/Red, Kit

Part Number: LOK-VS-20C61

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

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Estimated Ship Date: Nov 13, 2025 if ordered today

Automatic Transmission Kickdown Kit, Vintage Series, Ford, C-6, Lemon/Black, Kit

Part Number: LOK-VS-20C66

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

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Estimated Ship Date: Nov 13, 2025 if ordered today

Automatic Transmission Kickdown Kit, Vintage Series, Ford, C-6, Black/Blue, Kit

Part Number: LOK-VS-20C64

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

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Estimated Ship Date: Nov 13, 2025 if ordered today

Automatic Transmission Kickdown Kit, Vintage Series, Ford, C-6, Black/Orange, Kit

Part Number: LOK-VS-20C62

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

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Estimated Ship Date: Nov 17, 2025 if ordered today

Transmission Dipstick, '40 Style, Ford C-6

Part Number: OTT-3052

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

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Estimated Ship Date: Nov 13, 2025 if ordered today

Transmission Dipstick, Sprocket Style, Ford C-6

Part Number: OTT-3152

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Estimated Ship Date: Nov 13, 2025 if ordered today

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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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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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: Tomorrow

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Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, GM, TH400, Kit

Part Number: LOK-KD-2400U

5.0 out of 5 stars ( 3 )

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Automatic Transmission Kickdown Cable, Hi-Tech, Black Vinyl, Natural Aluminum Fittings, Mopar, Torqueflite 727, Kit

Part Number: LOK-KD-2727U

4.77 out of 5 stars ( 22 )

Estimated Ship Date: Tomorrow

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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 2, 2025 if ordered today

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Estimated Ship Date: Dec 2, 2025 if ordered today

This product may not be eligible for select promotional offers

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: Tomorrow

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