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 779

Hays Street 450 Clutch Conversion Kits 91-1100

Clutch Kit, 450 Street, 10.5 in. Disc, 26 Spline, 1.125 in. Input Diameter, Diaphragm, GM, Kit

Part Number: HAY-91-1100

Not Yet Reviewed

Estimated Ship Date: Today

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Hays Street 450 Clutch Conversion Kits 91-1002

Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 10.500 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Richmond Gear EXCel OEM Replacement Axle Shafts for 1994-2002 RAM 1500, 1994-2000 RAM 2500, 1997-2000 RAM 3500 - 91-27100

Axle Kit, Dana 44, Front Right, Steel, 26.390 in., Dodge, Each

Part Number: RMG-91-27100

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

Richmond Gear EXCel OEM Replacement Axle Shafts 91-23201

Axle Kit, Dana 60, Front Right, Steel, 47.010 in., Ford, Each

Part Number: RMG-91-23201

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Richmond Gear EXCel OEM Replacement Axle Shafts 91-23200

Axle Kit, Dana 60, Front Left, Steel, 24.780 in., Ford, Each

Part Number: RMG-91-23200

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Hays Street 450 Clutch Conversion Kits for 1986-2000 MUSTANG - 91-2003

Clutch Kits, Street 450 Clutch Conversion Kits, 1.063 in.- 10-spline, 10.50 in. Diameter Organic Disc, Pressure Plate, Ford, L4, V6, V8, Kit

Part Number: HAY-91-2003

2.0 out of 5 stars ( 1 )

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Hays Street 450 Clutch Conversion Kits 91-2001

Clutch Kits, Street 450 Clutch Conversion Kits, 1.063 in. - 10-spline, Single Organic Disc, 10.500 in. Diameter, Lever Type Pressure Plate, Ford, Kit

Part Number: HAY-91-2001

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Hays Street 450 Clutch Conversion Kits 91-3106

Clutch Kit, 450 Street, 11 in. Disc, 26 Spline, 1.125 in. Input Diameter, Lever, Dodge, Jeep, Plymouth, Kit

Part Number: HAY-91-3106

Not Yet Reviewed

Estimated Ship Date: Today

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Hays Street 450 Clutch Conversion Kits 91-1005

Clutch Kits, Street 450 Clutch Conversion Kits, Performance, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1005

Not Yet Reviewed

Estimated Ship Date: Today

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Hays Street 450 Clutch Conversion Kits 91-2002

Clutch Kits, Street 450 Clutch Conversion Kits, 1.063 in.- 10-spline, 11.00 in. Diameter Organic Disc, Pressure Plate, Ford, Mercury, V8, Kit

Part Number: HAY-91-2002

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Clutch Kits, Street 450 Clutch Conversion Kits, 1.000 in.- 23-spline, 10.50 in. Diameter Organic Disc, Pressure Plate, Chrysler, Dodge, Plymouth, Kit

Part Number: HAY-91-3004

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Hays Street 450 Clutch 10.5" 70-84 Chevy/Pontiac/Olds V8, 26-spline, Kit

Part Number: HAY-91-1003

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Hays Street 450 Clutch Conversion Kits for 1982-1992 CAMARO, FIREBIRD - 91-1001

Clutch Kits, Street 450 Clutch Conversion Kits, Performance, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Chevrolet, Pontiac, Kit

Part Number: HAY-91-1001

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Hays Street 450 Clutch Conversion Kits for 2011-2017 MUSTANG - 91-2006

Clutch Kits, Street 450 Clutch Conversion Kits, 1.000 in.- 23-spline, 11.00 in. Diameter Organic Disc, Pressure Plate, Ford, 5.0L, Kit

Part Number: HAY-91-2006

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

EBC CSK Clutch Springs CSK91

Clutch Springs, CSK, KTM, Suzuki, Yamaha, Kit

Part Number: EBP-CSK91

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

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