Performance & Replacement Transmission & Drivetrain Parts

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

Part Number: MCL-75224

4.66 out of 5 stars ( 56 )

Estimated Ship Date: Monday 2/2/2026

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Differential, Eaton Detroit Truetrac, 28-Spline, GM, 8.5 in., Rear, Each

Part Number: ETN-912A556

4.84 out of 5 stars ( 31 )

Estimated Ship Date: Monday 2/2/2026

• Free Shipping
• $75 Summit Bucks

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: Monday 2/2/2026

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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: Monday 2/2/2026

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Automatic Shifter, StarShifter, Chevy, Ford, Lincoln, Mercury, Mopar, Each

Part Number: BMM-80675

4.63 out of 5 stars ( 156 )

Estimated Ship Date: Monday 2/2/2026

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Clutch Kit, Street Extreme, 1.125 in. - 26-spline, Ceramic Disc, Pressure Plate, Buick, Chevy, Pontiac, Kit

Part Number: MCL-75321

4.42 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/2/2026

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

Part Number: BMM-20400

4.32 out of 5 stars ( 77 )

Estimated Ship Date: Monday 2/2/2026

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Automatic Shifter, Megashifter, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-80680

4.72 out of 5 stars ( 57 )

Estimated Ship Date: Monday 2/2/2026

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Shifter, Automatic Transmission, Pro Ratchet, 3-, or 4-Speed, Forward or Reverse Pattern, Aluminum Cover, Ford, GM, Lincoln, Mercury, Mopar, Each

Part Number: BMM-80842

4.71 out of 5 stars ( 73 )

Estimated Ship Date: Monday 2/2/2026

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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: Monday 2/2/2026

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Shifters, Automatic Transmission, Quick Silver, Ratchet Shifter, 12.23 in. Long Chrome Stick, Black/Chrome Plastic Console, GM, Mopar, Ford, Kit

Part Number: BMM-80683

4.51 out of 5 stars ( 100 )

Estimated Ship Date: Monday 2/2/2026

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Automatic Shifter, Sport, Chevy, Mopar, Ford, Cable Operated, T-Handle, Each

Part Number: BMM-80776

4.19 out of 5 stars ( 48 )

Estimated Ship Date: Monday 2/2/2026

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Clutch Kit, Street Extreme, 1.125 in. - 10-spline, Ceramic Disc, Pressure Plate, Buick, Chevy, Pontiac, Kit

Part Number: MCL-75324

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/2/2026

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Automatic Shifter, Unimatic, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-80775

4.3 out of 5 stars ( 73 )

Estimated Ship Date: Monday 2/2/2026

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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: Monday 2/2/2026

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Gear, Ring and Pinion, 3.73 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-373

4.74 out of 5 stars ( 19 )

Estimated Ship Date: Monday 2/2/2026

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Torque Converter, New, OE Replacement, 11.810 in. Diameter, Lock-Up, 36 Spline, 1.702 in. Crank Pilot, 6L90, Cadillac, Chevy, Each

Part Number: NAL-24045127

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/2/2026

• Core Charge $150.00
• Free Shipping

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

Part Number: BMM-20416

4.39 out of 5 stars ( 18 )

Estimated Ship Date: Monday 2/2/2026

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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 )

Estimated Ship Date: Monday 2/2/2026

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Differential, Posi Performance, Limited Slip, 28-Spline, GM, 8.5 in., 3 Series, Each

Part Number: ETN-19557-010

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/2/2026

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Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-411A

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/2/2026

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Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Mount, Buick, Chevy, Olds, Kit

Part Number: IST-EFKA1TKX

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Clutch Slave Cylinder, Aluminum, Black Powdercoated, Chevy, Pontiac, 5.7L, Each

Part Number: NAL-24264182

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/2/2026

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Differential Cover, Cap Support, Aluminum, Black, Perfect Launch Logo, GM, 8.2 in., 8.5 in., Each

Part Number: PRO-66668

4.32 out of 5 stars ( 50 )

Estimated Ship Date: Monday 2/2/2026

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Automatic Transmission Filters, GM Genuine Parts, Rubber Gaskets, Chevrolet, Kit

Part Number: ADO-24045729

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/2/2026

• Free Shipping