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.

Individual Parts

Part Groups

Results 1 - 21 of 21

Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10080XLS

Transmission Specialties Lock-Up Street/Strip 2,500-2,900 Stall Torque Converter 10080XLS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS--2500-2900rpms

Part Number: TOS-10080XLS

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Transmission Specialties Lock-Up Street/Strip 2,900-3,300 Stall Torque Converter 10080LS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS--2900-3300 RPMS

Part Number: TOS-10080LS

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,700-4,100 Stall Torque Converter 10080HS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS--3700-4100 RPMS

Part Number: TOS-10080HS

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Transmission Specialties Lock-Up Street/Strip Multi Plate 3,700-4,100 Stall Torque Converter 10080MPHS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS-MULTI PLATE-3700-4100 RPMS

Part Number: TOS-10080MPHS

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Transmission Specialties Lock-Up Street/Strip Multi Plate 2,900-3,300 Stall Torque Converter 10080MPLS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS-MULTI PLATE-2900-3300 RPMS

Part Number: TOS-10080MPLS

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Transmission Specialties Torque Converters 10080MPMS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS-MULTI PLATE-3200-3500 RPMS

Part Number: TOS-10080MPMS

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Transmission Specialties Lock-Up Street/Strip Multi Plate 4,100-4,500 Stall Torque Converter 10080MPXHS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS-MULTI PLATE-4100-4500 RPMS

Part Number: TOS-10080MPXHS

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Transmission Specialties Lock-Up Street/Strip Multi Plate 2,500-2,900 Stall Torque Converter 10080MPXLS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS-MULTI PLATE-2500-2900 RPMS

Part Number: TOS-10080MPXLS

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Transmission Specialties Lock-Up Street/Strip 3,300-3,700 Stall Torque Converter 10080MS

10" 6L80 BILLET COVER AND PISTON FOR 6L80 TRANS--3300-3700 RPMS

Part Number: TOS-10080MS

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Transmission Specialties Lock-Up Street/Strip 4,100-4,500 Stall Torque Converter 10080XHS

GM 6L80 TORQUE CONVERTER

Part Number: TOS-10080XHS

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today