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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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Transmission, Manual, Tremec TKX, 5-Speed, 26-Spline, 0.68:1 Overdrive, GM, V8, Each
Part Number: REM-TCET17805
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Summit Racing™ Hydraulic Throwout Bearings SUM-7001111
Throwout Bearing, Hydraulic, 1.375 in. Diameter, GM Muncie,T-10, Saginaw, Tremec TKX/TKO, Kit
Part Number: SUM-7001111
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission, TKX, 5 Gears, 1.125 in. - 26-spline Input, 31-spline Output, 2.87:1 First Gear Ratio, Aluminum Case, Tremec TKX, Ford, Each
Part Number: REM-TCET17765
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission Tremec TKX, 5 Speed, 26-Spline, Shifter, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: REM-TCET17722
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission Tremec TKX, 5-Speed, Shifter, Buick, Chevy, Oldsmobile, Pontiac, Each
Part Number: REM-TCET18083
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission, TKX, 5 Gears, 1.063 in. - 10-spline Input, 31-spline Output, 3.27:1 First Gear Ratio, Aluminum Case, Tremec TKX, Ford, Each
Part Number: REM-TCET18086
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission, TKX, 5 Gears, 1.125 in. - 26-spline Input, 31-spline Output, 2.87:1 First Gear Ratio, Aluminum Case, Tremec TKX, Ford, Each
Part Number: REM-TCET18084
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Crossmember, Chevy, Pontiac, Kit
Part Number: IST-EFKF1TKX
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission, TKX, 5 Gears, 1.125 in. - 26-spline Input, 31-spline Output, 3.27:1 First Gear Ratio, Aluminum Case, Tremec TKX, Ford, Each
Part Number: REM-TCET18085
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Mount, Buick, Chevy, Olds, Kit
Part Number: IST-EFKA1TKX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Crossmember, Mount, Chevy, Kit
Part Number: IST-EFKC2TKX
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Combo, ProFit, Tremec TKX, 5-Speed, 2.87:1 First Gear, 0.68:1 Fifth Gear, Chevy, Corvette, 1956-62, Kit
Part Number: AWR-COGM-C1FX
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Transmission Combo, ProFit, Tremec TKX, 5-Speed, 2.87:1 First Gear, 0.68:1 Fifth Gear, Ford, Cougar, Mustang 1965-73, Kit
Part Number: AWR-COFO-M1EX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Crossmember, Mount, Chevy, Kit
Part Number: IST-EFKC10TKX
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Installation Kits, Transmission, TKX, TKO, Aluminum Bellhousing, 12 in. Disc, 26 Spline, Billet Flywheel, 6-Bolt, SBC, LS, Gen III/IV, Kit
Part Number: HLY-319-504
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Combo, ProFit, Tremec TKX, 5-Speed, 2.87:1 First Gear, 0.68:1 Fifth Gear, Chevy, A-Body, 1968-72, Kit
Part Number: AWR-COGM-A2FX
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Transmission Combo, ProFit, Tremec TKX, 5-Speed, 2.87:1 First Gear, 0.82:1 Fifth Gear, Truck, Chevy/GMC, C10/C15/C1500, Kit
Part Number: AWR-COGM-T1FX
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Shifter, Mount, Chevrolet, Kit
Part Number: IST-EFKBFOTKX
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Silver Sport EasyFit TREMEC TKX Install Kit 67-76 Mopar A-Body
Part Number: IST-EFKMA2TKX
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Crossmember, Mount, Chevy, Kit
Part Number: IST-EFKC3ETKX
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Silver Sport EasyFit TREMEC TKX Install Kit ONLY 68-72 GM Chevelle / Malibu
Part Number: IST-EFKA2TKX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Crossmember, Chevy, Pontiac, Kit
Part Number: IST-EFKF2CLTKX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Silver Sport EasyFit TREMEC TKX Install Kit 80-82 Corvette
Part Number: IST-EFKC3LTKX
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Crossmember, Mount, Ford, Kit
Part Number: IST-EFKM1TKX
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Crossmember, Mount, Ford, Kit
Part Number: IST-EFKM23TKX
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Combo, ProFit, Tremec TKX, 5-Speed, 2.87:1 First Gear, 0.68:1 Fifth Gear, 1967-76, Mopar, A-Body, Kit
Part Number: AWR-COCH-A1EX
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
