Performance & Replacement Transmission & Drivetrain Parts

Dura Grip Positraction Carrier, Traction-Loc, GM 7.5/7.6 in., 28 Spline, 3.23 Up Ratio, Each

Part Number: YGA-26018

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-456A

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-4900941

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 3.31:1 Ratio, Ford, 8.8 in., Set

Part Number: FMS-M-4209-88331

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Ring and Pinion, Chrysler 9.25 in., 3.92:1 Ratio, Standard Rotation, Set

Part Number: MGR-C9-25-392

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Crate Axle, 67-70 Mustang Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Currie Twin Track, 11" Explorer Disc

Part Number: CUR-CR-FM237TEBB

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT373

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential Carrier, Positraction, Nodular Iron, GM 8.5 in., 28 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730966

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Automatic Transmission, 2-Speed, 1.80 in. Planetary Gear Ratio, Forward Shift Pattern, Full Manual Valve Body, GM, Powerglide, Each

Part Number: FTI-PPG3

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential Carrier, Clutch-type, Steel, Dana 80, 35-Spline, 4.10 and higher ratio, Each

Part Number: SDH-2003548

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Manual Transmission, Magnum-F, 6 Gears, 1.125 in. - 26-spline, 31-spline Output, 2.97:1 First Gear Ratio, Tremec Magnum, Chevrolet, Pontiac, Each

Part Number: REM-TUET16363

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 3.42:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24157

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Crate Axle, 68-72 GM A-Body Centurion 9-Inch, Black PC, 31-Spline, 3.70 Ratio, Currie Twin Track, 11" Explorer Disc

Part Number: CUR-CR-GA237TEBB

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4902781

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential Carrier, Detroit Truetrac, GM 9.5/9.76 in., 33-spline Axle Shaft, Designed for 3.42-3.73 Gear Ratios, Rear, Cadillac, Chevy, GMC, Each

Part Number: ETN-917A732

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75373OE

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 3.73:1 Ratio, Dana 44, Set

Part Number: MGR-D44-373

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt, Truck, Set

Part Number: MGR-GM12-373

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Differential, Electric Locker, 30-Spline, Dana 44, 3.73 and Lower Ratios, Each

Part Number: ETN-19977-010

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, EXCel, 3.50:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9350

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 3.55:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-4900951

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Gear, Ring and Pinion, 3.23:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900191

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Manual Transmission, Tremec, 6-speed, Aluminum Case, 26-spline Input, 2.66:1 First Gear Ratio, Ford, Each

Part Number: FMS-M-7003-M6266

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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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: Monday 2/23/2026 if shipped by air

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Gear, Pro Ring and Pinion, 3.70:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0004-1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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