Transmission & Drivetrain
Availability
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 74 Items.
Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, TH350, 2,400 rpm Advertised Flash Stall, Each
Part Number: HAY-97-1B24Q
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, TH350, 2,800 rpm Advertised Flash Stall, Each
Part Number: HAY-97-1B28Q
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, 2,400 rpm Advertised Flash Stall, TH400, Each
Part Number: HAY-97-1D24Q
Not Yet Reviewed
Estimated Ship Date: Jan 13, 2026 if ordered today
Estimated Ship Date: Jan 13, 2026 if ordered today
Torque Converters, Twister 3/4 Race, Street/Strip, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM400, Buick, Chevy, Each
Part Number: HAY-97-1D28Q
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Torque Converters, Twister Full Race, 2,400-2,800 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each
Part Number: HAY-97-1D24F
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each
Part Number: HAY-97-1D42F
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Torque Converters, Twister Full Race, 3,600-4,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each
Part Number: HAY-97-1D36F
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 27-spline, 9.600 in. Diameter, Balanced, TH200-4R, THM700-R4/4L60/MD8, Each
Part Number: HAY-97-1F28Q
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Torque Converters, Twister Full Race, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each
Part Number: HAY-97-1D28F
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Torque Converters, Twister Full Race, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each
Part Number: HAY-97-1D32F
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.60 in. Diameter, 10.750 in. Bolt Circle, THM350, Chevy, Each
Part Number: HAY-97-1B42F
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Torque Converters, Twister 3/4 Race, 3,200-3,600 rpm Stall Speed Range, 27-spline, 9.600 in. Diameter, Chevy THM200-4R, THM700-R4/4L60/MD8, Each
Part Number: HAY-97-1F32Q
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Bearing, Pinion, 1.312 in. Inside Diameter, Each
Part Number: TMK-M88048
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each
Part Number: TMK-M88010
Estimated Ship Date: Today
Estimated Ship Date: Today
Seal, Automatic Transmission Shift Shaft, Steel/Rubber, GM, Each
Part Number: NTL-8792S
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Shift Shaft Seal, Nitrile, Buick, Cadillac, Chevy, Each
Part Number: ADO-8792S
Estimated Ship Date: Today
Estimated Ship Date: Today
Pinion Bearing, 1.187 in. Inside Diameter, Each
Part Number: TMK-M86649
Estimated Ship Date: Today
Estimated Ship Date: Today
U-Joints, Gold Universal Joints, Greasable, Steel, for Nissan, AMC, Chevy, Dodge, Ford, GMC, International, Isuzu, Jeep, Mercury, Olds, Pontiac, Each
Part Number: ADO-45U0107
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Bushing, 2.004 in. O.D., 0.605 in. Length, BMW, Buick, Cadillac, Chevy, GMC, Isuzu, Jeep, Olds, Opel, Pontiac, Suzuki, Each
Part Number: DUR-44034
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Pinion Bearing, 1.125 in. Inside Diameter, Each
Part Number: TMK-02872
Estimated Ship Date: Today
Estimated Ship Date: Today
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