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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 1138

Manual Transmission, Tremec, T-5, 5 Speed, 1.063 in. Input Shaft Diameter, 10 Spline Input, 28 Spline Output, Ford, Each

Part Number: REM-1352-000-251

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Transmission Upgrade Kit, Trans-Scat, Buick, Chevy, GMC, Oldsmobile, Pontiac, 700R4, Each

Part Number: TCI-376000

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Transmission Upgrade Kit, Trans-Scat, Ford, Lincoln, Mercury, C-6, Each

Part Number: TCI-360000

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Transmission Upgrade Kit, Trans-Scat, Ford, Lincoln, Mercury, AOD, Each

Part Number: TCI-436000

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Valve Body Kit, Trans-Scat®, For, AODE, Kit

Part Number: TCI-436001

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Transmission Upgrade Kit, Trans-Scat, Chevy, Buick, Oldsmobile, Pontiac, GMC, TH350, Each

Part Number: TCI-350000

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Transmission Upgrade Kit, Trans-Scat, AMC, Chrysler, 727, A-904, Each

Part Number: TCI-220000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Transmission Upgrade Kit, Trans-Scat, Chevy, GMC, 4L60E, Each

Part Number: TCI-376002

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Transmission Upgrade Kit, Trans-Scat, Chevy, GMC, 4L60E, LT1, LS1, Each

Part Number: TCI-376001

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Transmission Upgrade Kit, Trans-Scat, Dodge, Jeep, A-500, A-518, Each

Part Number: TCI-220500

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Transmission Upgrade Kit, Trans-Scat, Chevy, GMC, Bentley, Hummer, Jaguar, Rolls Royce, 4L80E, Each

Part Number: TCI-276005

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Transmission Upgrade Kit, Trans-Scat, Chevy, Buick, Oldsmobile, Pontiac, Powerglide, Each

Part Number: TCI-280000

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Transmission Upgrade Kit, Trans-Scat, Chevy, GMC, Bentley, Hummer, Jaguar, Rolls Royce, 4L80E, Each

Part Number: TCI-276000

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Transmission Upgrade Kit, Trans-Scat, Buick, Chevy, Oldsmobile, Pontiac, 200-4R, Each

Part Number: TCI-386000

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Transmission Pan, Automatic, Cast Aluminum, Natural, 3.82 qt. Additional Fluid, GM, 8L90, 8L90E, Each

Part Number: BMM-70399

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

Transmission Pan, Automatic, Cast Aluminum, Black, 3.82 qt. Additional Fluid, GM, 8L90, 8L90E, Each

Part Number: BMM-71399

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

TH700R4 RV & TOWING 4X4 PKG

Part Number: TCI-371402P1

Not Yet Reviewed

Cannot be shipped Internationally if ordered today

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Cannot be shipped Internationally if ordered today

Transmission Upgrade Kit, Trans-Scat, Ford, Lincoln, Mercury, C-4, 1970-83, Each

Part Number: TCI-260100

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Transmission Upgrade Kit, Trans-Scat, Buick, Chevy, Oldsmobile, Pontiac, TH400, Each

Part Number: TCI-400000

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Clutch Kit, Stage 2, Organic/Carbon Composite, 22.4mm- 20-Spline, 225mm Disc, Mitsubishi, Eagle, Plymouth, Kit

Part Number: ZZZ-F2-122

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Clutch Kit, Stage 2, Organic/Carbon Composite, 26mm- 24-Spline, 212mm Disc, for use on Acura®, Honda®, Kit

Part Number: ZZZ-F2-113

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Clutch Kit, Stage 2, Organic/Carbon Composite, 21.4mm-, 20-Spline, 212mm Disc, for use on Honda®, Kit

Part Number: ZZZ-F2-114

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Clutch Kit, Organic/Carbon Composite, 1 1/8 in. x 26-Spline, 11 in. Diameter Disc, Chevy, Pontiac, 5.7L, Kit

Part Number: ZZZ-F2-70185

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Automatic Shifter, Pro Ratchet, Aluminum Cover, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-80842

4.71 out of 5 stars ( 72 )

Estimated Ship Date: Today

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Transmission Pan, Aluminum, Black Wrinkled, Deep, Mopar, 68RFE, Each

Part Number: BDD-1061525

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

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