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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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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.

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.

Individual Parts

Results 1 - 25 of 1326

Torque Converter, 26-spline, 10 in. Diameter, Ford, C-4, 2,400 - 2,800 Stall, 10.500 in. Bolt Pattern, Each

Part Number: SUM-G2707-13

3.73 out of 5 stars ( 15 )

Estimated Ship Date: Today

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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 )

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Gear, Ring and Pinion, 4.11:1 Ratio, 1.750 in. Pinion, 30 Spline, 10.500 in. Ring Gear, GM 14 Bolt, Set

Part Number: YGA-24135

Not Yet Reviewed

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Clutch Kit, Concept 10.5 Dual-Disc, 1.000 in. - 23-spline, 10.500 in. Diameter Metallic Disc, for Flat 164-tooth Flywheels, Ford, 5.0L, Kit

Part Number: RAM-50-2230N

Not Yet Reviewed

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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 )

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Flexplate, Premium, 157 Tooth, 10.500 in. Bolt Pattern, Steel, Black E-Coated, Internal Balance, Ford, Small Block, Each

Part Number: TCI-529102

1.0 out of 5 stars ( 1 )

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Flywheel, Billet Steel, 130-Tooth, Internal Engine Balance, 10.500/10.950 in. Bolt Pattern, 36.000 lbs., SFI 1.1, Dodge, Chrysler, Plymouth, V8, Each

Part Number: RAM-1588

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 Kit, Concept 10.5 Dual-Disc, 1.000 in. - 23-spline, 10.500 in. Diameter Organic Disc, for Flat 164-tooth Flywheels, Ford, 5.0L, Kit

Part Number: RAM-50-2230

5.0 out of 5 stars ( 1 )

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Flywheel, Billet Steel, 153-Tooth, Internal Engine Balance, 10.500 lbs., 2-Piece Rear Main Seal, SFI 1.1, Chevy, V8, Each

Part Number: RAM-1510-10

5.0 out of 5 stars ( 2 )

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Torque Converter, ESR Series, Lockup Compatible, 2,800 rpm Flash Stall, 22-spline, 10.500 in. Diameter, 722.6, NAG1, Each

Part Number: FTI-ESRT82800

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Flywheel, Billet Steel, 153-Tooth, External Engine Balance, 10.500 lbs., 1-Piece Rear Main Seal, SFI 1.1, Chevy, V8, Each

Part Number: RAM-1512-10

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 Disc, Organic, 1 3/8 in.- 10-Spline, 10.500 in. Disc, Ford 1946-48, 239, Flathead, V8, Each

Part Number: CTF-381870

5.0 out of 5 stars ( 1 )

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Clutch Kit, Concept 10.5 Dual-Disc, 1.188 in. - 18-spline, 10.500 in. Diameter Organic Disc, for Flat 130-tooth Flywheels, Dodge, Plymouth, V8, Kit

Part Number: RAM-50-2310

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 Kit, Concept 10.5 Dual-Disc, 1.125 in. - 10-spline, 10.500 in. Diameter Metallic Disc, for Flat 157-tooth Flywheels, Ford, Kit

Part Number: RAM-50-2257N

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 Kit, Concept 10.5 Dual-Disc, 1.125 in. - 26-spline, 10.500 in. Diameter Organic Disc, for Flat 130-tooth Flywheels, Dodge, Plymouth, V8, Kit

Part Number: RAM-50-2305

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 Disc, 1.125 in. - 10-spline, Organic, 10.500 in. Diameter, Dodge, Jeep, Each

Part Number: CWA-53008259

Not Yet Reviewed

Estimated Ship Date: Jul 9, 2026 if ordered today

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Estimated Ship Date: Jul 9, 2026 if ordered today

Flywheel, Billet Steel, 153-Tooth, Internal Engine Balance, 10.500 lbs., 1-Piece Rear Main Seal, SFI 1.1, Chevy, V8, Each

Part Number: RAM-1514-10

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 Disc, 300 Series, 1.125 in. - 26-spline, Organic, 10.500 in. Diameter, Buick, Chevy, Olds, Pontiac

Part Number: RAM-359

5.0 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

Flexplate, Premium, 157 Tooth, 10.500 in. Bolt Pattern, Steel, Black E-Coated, External 28 oz. Imbalance, Ford, Small Block, Each

Part Number: TCI-529103

Not Yet Reviewed

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Clutch Kit, 10.500 in. Diameter, 26-Spline, Sport, 6-Paddle Disc, Ford, 5.0L, Kit

Part Number: ACL-FM4-SPG6

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, 1.063 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 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Pressure Plate, Diaphragm Style, 10.500 in. Diameter, 2,200 lbs. Static Pressure, Fits GM Circle Track Applications, Each

Part Number: RAM-1675L

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 Discs, ACT Performance Clutch Discs, Performance, 10.500 in. Diameter, Organic, Full Face, Jeep, Each

Part Number: ACL-3001110

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 Kit, 10.500 in. Diameter, 26-Spline, Sport, Street, Ford, 5.0L, Kit

Part Number: ACL-FM4-SPSS

Not Yet Reviewed

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Clutch Kit, 10.500 in. Diameter, 26-Spline, Heavy Duty, Street, Ford , 5.0L, Kit

Part Number: ACL-FM4-HDSS

5.0 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