Transmission & Drivetrain
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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.
Showing In Stock Items. Show All 43 Items.
TH400 RACING W/TRANSBRAKE-AND PM ALUM DRUM AND SPRAG
Part Number: TOS-40014
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
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Safety Shield, Flexplate, Steel, Black Powdercoated, SFI 30.1, Chevy, Powerglide, TH350, TH400, Each
Part Number: SUM-G116XSFI
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Automatic Transmission Case, Super Hydra 400, A Option, 0.435 in. Thick PP, Call for Thinner Options, SFI 4.1, Aluminum, Natural, GM TH400, Each
Part Number: REI-SH400DRAG
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Flexplate Dust Shield, Steel, Chrome, Chevy, 700R4, Each
Part Number: MRG-5135
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Automatic Transmission Case, TH400, Aluminum, Natural, SFI 4.1, GM, Each
Part Number: TOS-4072
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Bellhousing, Automatic, Aluminum, GM, Small block/Big Block, TH350/TH400, Each
Part Number: JPT-92451
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Transmission Case, TH400, Aluminum, SFI Approved, GM, Each
Part Number: SUM-700405
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Bellhousing, Automatic, Aluminum, GM, LS-Based Engines, TH350/TH400, Each
Part Number: JPT-92451LS
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Transmission Dipstick, Locking, Bellhousing Mount, Billet Aluminum Handle, Black Finish, GM, TH400, Set
Part Number: MOR-41303
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Transmission Dipstick, Tube, Locking, OEM Long-style, Bellhousing Mount, Black, Chevy, TH350, Set
Part Number: MOR-41302
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Automatic Transmission Case, Aluminum, Natural, TH400, GM, Each
Part Number: ATI-400011
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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Summit Racing™ Flexplate Shields SUM-G116XSFI
