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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.

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Individual Parts

Results 1 - 20 of 20

Wiring Harness, Ultimate E-Locker, Low Pinion Style, Rear, Toyota, Each

Part Number: LRO-TDIELWHLPR

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1967-69 GM F-Body, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-F1J

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Manual Transmission and Installation Kit Combo, Tremec T-56, Aluminum Case, Chevy, Kit

Part Number: AWR-COGM-X1J

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1967-69 GM F-Body, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-F1G

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Transmission Combo, Tremec T-56, 6-Speed, Chevy, 2.66:1 First Gear, 0.63:1 Fifth Gear, Kit

Part Number: AWR-COGM-T1G

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1968-74 Chevy Nova, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-X2J

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1955-57 Tri-5 Chevy, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-B1J

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1968-74 Chevy Nova, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-X2G

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1975-81 GM F-Body, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-F3J

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1970-74 GM F-Body, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-F2G

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1968-72 GM A-Body, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-A2J

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1975-81 GM F-Body, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-F3G

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1968-72 GM A-Body, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-A2G

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1964-67 GM A-Body, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-A1J

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Transmission Combo, Tremec T-56, 6-Speed, Chevy, 2.97:1 First Gear, 0.50:1 Fifth Gear, Kit

Part Number: AWR-COGM-T1J

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1964-67 GM A-Body, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-A1G

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Wide Ratio, T-56 Magnum, 6-Speed, 1970-74 GM F-Body, 2.97:1 First Gear, 0.50:1 Sixth, Kit

Part Number: AWR-COGM-F2J

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Combo, ProFit, Close Ratio, T-56 Magnum, 6-Speed, 1955-57 Tri-5 Chevy, 2.66:1 First Gear, 0.63:1 Sixth, Kit

Part Number: AWR-COGM-B1G

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

Transmission Combo, ProFit, Tremec TKX, 5-Speed, 2.87:1 First Gear, 0.68:1 Fifth Gear, Chevy, Corvette, 1968-76, Kit

Part Number: AWR-COGM-C3FX

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

SOLENOID (UNIVERSAL)

Part Number: PIO-771004

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

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