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 118

Hays Street 650 Clutch Conversion Kits 92-1102

Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Diaphragm, 1.125 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1102

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Hays Street 650 Clutch Conversion Kits 92-1100

Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Diaphragm, 1.125 in. Diameter Shaft, 26-Spline, 10.500 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1100

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Hays Street 650 Clutch Conversion Kits 92-1103

Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Lever, 1.125 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1103

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

Hays Street 650 Clutch Conversion Kits 92-1007

Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 26-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Pontiac

Part Number: HAY-92-1007

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

Hays Street 650 Clutch Conversion Kits 92-1004

Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 10-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Jeep

Part Number: HAY-92-1004

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

Hays Street 650 Clutch Conversion Kits 92-1005

Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 26-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Pontiac

Part Number: HAY-92-1005

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

Hays Street 650 Clutch Conversion Kits 92-2008

Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 10-spline, 11.000 in. Sintered Metallic Disc Diameter, Ford, Mercury

Part Number: HAY-92-2008

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

Hays Street 650 Clutch Conversion Kits 92-1002

Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 10-spline, 10.500 in. Sintered Metallic Disc Diameter, Chevy, Jeep

Part Number: HAY-92-1002

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Motive Gear Manual Transmission Replacement Parts NP771105

Man Trans Main Shaft Race, TIMKEN ZF S6-650 M/S INNER

Part Number: MGR-NP771105

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

Motive Gear Manual Transmission Replacement Parts NP957859

Man Trans Main Shaft Bearing, TIMKEN ZF S6-650 M/S INNER

Part Number: MGR-NP957859

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

Steeda Clutch Fork Return Springs 555-7033

Steeda S650 Ford Mustang Clutch Spring Assist 35 lb/in (2024+)

Part Number: SDA-555-7033

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

USA Standard Gear ZG Series Ring and Pinion Sets ZG F9-650 Ford 9 in. 6.50 Gears

USA Standard Ring & Pinion gear set for Ford 9" in a 6.50 ratio

Part Number: SPZ-36153

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

Yukon Gear & Axle Ring and Pinion Gears YG F9-650

High performance Yukon Ring & Pinion gear set for Ford 9" in a 6.50 ratio

Part Number: YGA-24396

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

All Balls Racing U-Joint Kits 21-91008

U-Joint, Greasable, Bombardier, Can-Am, Polaris, Each

Part Number: ALB-19-1008

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

DragonFire Racing Shifter Knobs 04-0904

SHIFT KNOB LONG GRY CARB FBR

Part Number: MMG-04-0904

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

All Balls Racing U-Joint Kits 21-91003

U-Joint, Greaseable, 4-Grooved, Steel, Each

Part Number: ALB-19-1003

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

EPI Performance Primary Clutch Springs 53-2552

Clutch Spring PRIMARY CLUTCH SPRING PRIMARY CLUTCH SPRING WHITE

Part Number: ERL-PS-2

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Renthal Grooved Front Sprockets 289-520-12GP

Sprocket, Front, Steel, Natural, 12-Tooth, 520 Chain Size, Aprilia, Kawasaki, Suzuki, Yamaha, Each

Part Number: REN-28952012GP

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

EPI Performance Primary Clutch Springs 53-2545

Clutch Spring PRIMARY CLUTCH SPRING PRIMARY CLUTCH SPRING PINK

Part Number: ERL-PS-11

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Sierra Marine Heavy-Duty U-Joints 72-1003

U-Joint, Heavy-Duty, Steel, 4 Plain Bearing Cap Style, Can-Am, Polaris, Each

Part Number: RRA-72-1003

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Renthal Ultralight Rear Sprockets 184U-520-47P-HA

Sprocket, Rear, Aluminum, Gold Anodized, 47-Tooth, 520 Chain Size, Kawasaki, Each

Part Number: REN-184U52047PHA

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Quadboss Universal Joints 417817

U Joint, Greasable, 4 Plain Cap Style, Steel, Bombardier, Can-Am, Polaris, Each

Part Number: QDB-41-7817

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

SKF Bearings Pinion Bearing Races HM803110

Tapered roller bearing race

Part Number: SKF-HM803110

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Renthal Ultralight Rear Sprockets 184U-520-44P-HA

Sprocket, Rear, Aluminum, Gold Anodized, 44-Tooth, 520 Chain Size, Kawasaki, Each

Part Number: REN-184U52044PHA

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

DragonFire Racing Shifter Knobs 04-0906

SHIFT KNOB SHORT Gray CARB FBR

Part Number: MMG-04-0906

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

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