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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Currie 9 in. Third Members CE-9CT350S50

Third Member Complete Assembly, Ford 9 in., 3.50:1 Gear Ratio, TwinTrac, 31-Spline, Nodular Iron Case, Big Bearing Pinion Support, 1350 Yoke, Each

Part Number: CUR-CE-9CT350S50

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Summit Racing™ Pinion Supports SUM-730919

Daytona Pinion Support, 9 in. Ford, 28-Spline, Aluminum, Black Anodized, Each

Part Number: SUM-730919

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Currie 9 in. Third Members CE-9CT370S50

Third Member, 3.70:1 Gear Ratio, Currie TwinTrac, 31-Spline, Nodular Iron Case, Big Bearing Pinion Support, 1350 Yoke, Each

Part Number: CUR-CE-9CT370S50

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Currie 9 in. Third Members CE-9CT389S50

Third Member, 3.89:1 Gear Ratio, Currie TwinTrac, 31-Spline, Nodular Iron Case, Big Bearing Pinion Support, 1350 Yoke, Each

Part Number: CUR-CE-9CT389S50

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Currie 9 in. Third Members CE-9CT411S50

Third Member, 4.11:1 Gear Ratio, Currie TwinTrac, 31-Spline, Nodular Iron Case, Big Bearing Pinion Support, 1350 Yoke, Each

Part Number: CUR-CE-9CT411S50

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

ARP Pinion Support Stud Kits 250-3020

ARP Pinion Support Stud Kits 250-3020

Pinion Support Studs, 12-Point, Black Oxide, Ford, 9 inch, 3/8-16, 3/8-24, Kit

Part Number: ARP-250-3020

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Moser Engineering Pinion Supports for Ford 9 in. PS3510

Pinion Support, 9 in. Ford, 35-Spline, Aluminum, 10-Bolt, Each

Part Number: MSR-PS3510

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Moser Engineering Pinion Supports for Ford 9 in. PS028

Pinion Support, 9 in. Ford, 28-Spline, Daytona Style, Aluminum, Each

Part Number: MSR-PS028

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Moser Engineering Pinion Supports for Ford 9 in. PS035

Pinion Support, 9 in. Ford, 35-Spline, Aluminum, Each

Part Number: MSR-PS035

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

ARP Pinion Support Stud Kits 250-3021

Pinion Support Studs, Hex, Black Oxide, Ford, 9 inch, 3/8-16, 3/8-24, Kit

Part Number: ARP-250-3021

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

ARP Pinion Support Stud Kits 250-3010

Pinion Support Studs, 12-Point, Stainless Steel, Ford, 9 inch, 3/8-16, 3/8-24, Kit

Part Number: ARP-250-3010

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

ARP Pinion Support Stud Kits 250-3011

Pinion Support Studs, Hex, Stainless Steel, Ford, 9 inch, 3/8-16, 3/8-24, Kit

Part Number: ARP-250-3011

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Estimated Ship Date: Monday 3/9/2026 if shipped by air

Currie 9 in. Third Members CE-9SP370R50

9-Inch Third Member Complete Assembly, 3.70 Gear Ratio Spool. 35 Spline, Nodular Iron Case, 1350 Yoke, Each

Part Number: CUR-CE-9SP370R50

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