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 332

Boss Hog Night Stalker Stock Stall Torque Converter 46000

Boss Hog Night Stalker Stock Stall Torque Converter 46000

Torque Converter, Night Stalker, 12 in. Diameter, Stock, GM, TH400, Each

Part Number: APE-46000

1.0 out of 5 stars ( 2 )

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Strange Ultra Strut Wheel Bearing and Seal Kits B4600BK

Wheel Bearing & Seal, Strange Ultra Strut, Strut Mount, Kit

Part Number: STR-B4600BK

Not Yet Reviewed

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B&M Tork Master 2,300-2,500 Stall Torque Converter 20404

Torque Converter, Tork Master, 2,300-2,500 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20404

4.44 out of 5 stars ( 39 )

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B&M Tork Master 1,900-2,100 Stall Torque Converter 20400

Torque Converter, Tork Master, 1,900-2,100 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20400

4.34 out of 5 stars ( 79 )

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Anchor Industries Driveshaft Center Support Bearings 6056

Driveshaft Support Bearing, Rubber, Black, Chevy, Dodge, Ford, GMC, Each

Part Number: ANI-6056

5.0 out of 5 stars ( 1 )

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Anchor Industries Driveshaft Center Support Bearings 6035

Bearing, Driveshaft Center Support, Chevy, GMC, International, Each

Part Number: ANI-6035

5.0 out of 5 stars ( 4 )

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Marmon Ride Control Driveshaft Center Support Bearings A6035

Drive Shaft Center Support, Buick, Chevy, GMC, Each

Part Number: DOS-A6035

Not Yet Reviewed

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Eaton Detroit Truetrac 30 Spline Differential Dana 44 913A589

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, 3.73:1 and Down Only, Dana 44, Each

Part Number: ETN-913A589

4.8 out of 5 stars ( 10 )

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Anchor Industries Driveshaft Center Support Bearings 6048

Driveshaft Support Carrier Bearings, Anchor Industries Driveshaft Center Support Bearings, Rubber, Black Bushing, Each

Part Number: ANI-6048

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Lokar Hi-Tech Flexible Braided Stainless Transmission Dipsticks TD-3350400FM

Transmission Dipstick, Braided Stainless Steel Tube, Flexible, Aluminum Handle, Firewall Mount, TH350, TH400, Each

Part Number: LOK-TD-3350400FM

4.67 out of 5 stars ( 89 )

Estimated Ship Date: Today

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Anchor Industries Driveshaft Center Support Bearings 6038

Driveshaft Support Bearing, Rubber, Black, Chevy, Dodge, Ford, GMC, Each

Part Number: ANI-6038

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Anchor Industries Driveshaft Center Support Bearings 6040

Driveshaft Support Carrier Bearings, Anchor Industries Driveshaft Center Support Bearings, Rubber, Black Bushing, Each

Part Number: ANI-6040

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

B&M Holeshot 1,800-2,200 Stall Torque Converter 20416

Torque Converter, Holeshot, 1,800-2,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20416

4.42 out of 5 stars ( 19 )

Estimated Ship Date: Today

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B&M Holeshot 2,900-3,200 Stall Torque Converter 20483

Torque Converter, Holeshot, 2,900-3,200 rpm Stall Range, GM, THM350/THM400, Each

Part Number: BMM-20483

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Anchor Industries Driveshaft Center Support Bearings 6049

Mount, Black, Rubber, Each

Part Number: ANI-6049

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

B&M Tork Master 2,800-3,200 Stall Torque Converter 20402

Torque Converter, Tork Master, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20402

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Lokar Hi-Tech Kickdown Kits KD-2400HT

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

Part Number: LOK-KD2400HT

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Today

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Moog Premium U-Joints 369

Universal Joint, 1310 Style, Greasable, Steel, Each

Part Number: MOG-369

4.57 out of 5 stars ( 37 )

Estimated Ship Date: Today

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B&M Holeshot 2,300-2,500 Stall Torque Converter 20412

Torque Converter, Holeshot, 2,300-2,500 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20412

3.8 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Lokar Midnight Series Flexible Braided Stainless Transmission Dipsticks XTD-3350400FM

Transmission Dipstick, Braided Stainless Steel Housing, Black Handle, GM, TH350, TH400, Each

Part Number: LOK-XTD3350400FM

4.89 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Eaton Detroit Truetrac 30 Spline Differential Dana 44 913A590

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, 3.92:1 and Up Only, Dana 44, Each

Part Number: ETN-913A590

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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FTI Performance MR Series 4,000 Stall Torque Converter MR8082

Torque Converters, MR Series, Hard Hitting, 1.703 in. Crank Pilot Diameter, 30-spline, 9.500 in. Diameter, Race Usage, TH350, TH400, Each

Part Number: FTI-MR8082

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Moog Super Strength U-Joints 280

Universal Joint, 1310 Style, Greasable, Steel, Each

Part Number: MOG-280

4.71 out of 5 stars ( 34 )

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Centerforce Dual Friction Clutch Kits DF735552

Clutch Kit, Dual Friction, 1 1/8 in.-10-Spline, 11 in. Diameter Disc, Buick, Chevy, GMC, Pontiac, Kit

Part Number: CTF-DF735552

4.89 out of 5 stars ( 19 )

Estimated Ship Date: Today

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TCI Full Manual Valve Bodies 221201

Transmission Valve Body, Full Manual, Reverse Shift Pattern, Engine Braking, Chevy, TH400, Each

Part Number: TCI-221201

5.0 out of 5 stars ( 3 )

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