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Use Promo Code: TREAT

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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 444

Clutch Kit, .937 in. Diameter Shaft, 21-Spline, 7.875 in. Diameter Disc, 4-Paddle, Toyota, Kit

Part Number: ACL-TL1-HDG4

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

This product may not be eligible for select promotional offers

Clutch Kit, .937 in. Diameter Shaft, 21-Spline, 7.875 in. Diameter Disc, 6-Paddle, Toyota, Kit

Part Number: ACL-TL1-HDG6

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

This product may not be eligible for select promotional offers

Clutch Kit, .937 in. Diameter Shaft, 21-Spline, 7.875 in. Diameter Disc, 4-Paddle, Toyota, Kit

Part Number: ACL-TL1-HDR4

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

This product may not be eligible for select promotional offers

Clutch Kit, Heavy-Duty, Performance, Single Disc, 0.938 in. - 21-spline, 7.900 in. Organic Disc Diameter, Pressure Plate, Toyota, 1.6L, 1.8L, Kit

Part Number: ACL-TL1-HDSS

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

This product may not be eligible for select promotional offers

Clutch Kit, .937 in. Diameter Shaft, 21-Spline, 7.875 in. Diameter Disc, 4-Paddle, Toyota, Kit

Part Number: ACL-TL1-XTG4

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

This product may not be eligible for select promotional offers

Clutch Kit, .937 in. Diameter Shaft, 21-Spline, 7.875 in. Diameter Disc, 6-Paddle, Toyota, Kit

Part Number: ACL-TL1-XTG6

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

This product may not be eligible for select promotional offers

Clutch Kit, .937 in. Diameter Shaft, 21-Spline, 7.875 in. Diameter Disc, 4-Paddle, Toyota, Kit

Part Number: ACL-TL1-XTR4

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

This product may not be eligible for select promotional offers

Clutch Kit, Xtreme, Performance, Single Disc, 0.938 in. - 21-spline, 7.900 in. Organic Disc Diameter, Pressure Plate, Toyota, 1.6L, 1.8L, Kit

Part Number: ACL-TL1-XTSS

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

This product may not be eligible for select promotional offers

Clutch, MU Series, 1.000 in. - 24-spline, Organic Disc, Pressure Plate, for use on Acura®, Honda®, Kit

Part Number: ZZZ-MU72218-1

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Axle/Spindle Nut, Acura 2024-03, Honda 2024-05

Part Number: RNB-615-986-1

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

Clutch Kit, Super StreetPro, Organic, Ceramic, 1 1/8 in. Diameter Shaft, 10-Spline, 11 in. Diameter Disc, Kit

Part Number: MCL-75224

4.65 out of 5 stars ( 55 )

Estimated Ship Date: Tomorrow

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Dura Grip Positraction Carrier, Traction-Loc, GM 8.5/8.6 in., 30 Spline, 2.73 Up Ratio, Each

Part Number: YGA-26016

4.13 out of 5 stars ( 31 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Super StreetPro, Organic/Ceramic, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Kit

Part Number: MCL-75221

4.53 out of 5 stars ( 38 )

Estimated Ship Date: Tomorrow

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Dura Grip Positraction Carrier, Traction-Loc, GM 8.5 in., 28 Spline, 2.73 Up Ratio, Each

Part Number: YGA-26015

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Clutch Kit, StreetPro, Organic, 1 1/8 in.- 10-Spline, 11 in. Disc, Chevy, , Oldsmobile, Pontiac, Kit

Part Number: MCL-75124

4.63 out of 5 stars ( 24 )

Estimated Ship Date: Tomorrow

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Clutch Kit, StreetPro, Organic, 1 1/8 in.- 10-Spline, 10.5 in. Disc, Chevy, Oldsmobile, Pontiac, Kit

Part Number: MCL-75117

4.0 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Ring and Pinion Gears, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, 3 Series, Set

Part Number: RMG-4900391

4.82 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Super StreetPro, Organic/Ceramic, 1 1/8 in. Diameter Shaft, 10-Spline, 10.5 in. Diameter Disc, Kit

Part Number: MCL-75217

4.46 out of 5 stars ( 28 )

Estimated Ship Date: Tomorrow

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Clutch Kit, RST, 1 1/8 in. x 26-Spline, 9.688 in. Diameter Disc, Chevy, Small/Big Block, Kit

Part Number: MCL-6911-07

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Clutch Kit, StreetPro, Organic, 1 1/8 in.- 26-Spline, 11 in. Disc, Chevy, Oldsmobile, Pontiac, Pilot Bushing Supplied (Chevy Only), Kit

Part Number: MCL-75121

4.47 out of 5 stars ( 15 )

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Gear, Ring and Pinion, 4.11:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-79-0099-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, GM, Kit

Part Number: CTF-DF148552

4.75 out of 5 stars ( 20 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Organic, 1.125 in.- 10-Spline, 11 in. Disc, Organic, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: ZZZ-MU5505-1

4.49 out of 5 stars ( 39 )

Estimated Ship Date: Tomorrow

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Clutch Kit, RXT, 1 1/8 in. x 26-Spline, 9.688 in. Diameter Disc, Kit

Part Number: MCL-6923-07

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Clutch Kit, RST, 1 1/8 in. x 26-Spline, 9.687 in. Diameter Disc, Chevrolet, Ford, Kit

Part Number: MCL-6913-07

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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