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 75 Items.
Torque Converter, Tork Master, 2,300-2,500 rpm Stall Range, Chevy, THM350/THM400, Each
Part Number: BMM-20404
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Torque Converter, Tork Master, 1,900-2,100 rpm Stall Range, Chevy, THM350/THM400, Each
Part Number: BMM-20400
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Torque Converter, Tork Master, 2,300-2,500 rpm Stall Range, Chevy, 4L60/4L60E/700R4, Each
Part Number: BMM-70418
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Torque Converter, Tork Master, 1,900-2,000 rpm Stall Range, Chevy, 4L60, 4L60E,700R4, Each
Part Number: BMM-70420
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Torque Converter, Tork Master, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each
Part Number: BMM-20402
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Chevy, Small Block, Kit
Part Number: RAM-50-2125
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 26-spline, Metallic Disc, Pressure Plate, Chevy, Small Block, Kit
Part Number: RAM-50-2125N
Not Yet Reviewed
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Torque Converter, Twister Full Race, 35-spline, 9.600 in. Diameter, 6L80E, Each
Part Number: HAY-97-1K32F
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Clutch and Flywheel Kit, SST, 1 1/8 in. Diameter Shaft, 26-Spline, 10.4 in. Diameter Disc, Chevy, Kit
Part Number: CTF-412614877
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Torque Converters, Twister Full Race, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, 4L60-E/4L65-E/4L80-E, NV3500, Chevy, GMC, Each
Part Number: HAY-97-1H32F
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Torque Converters, Twister Full Race, 3,200-3,600 rpm Stall Speed Range, 35-spline, 9.600 in. Diameter, Chevrolet 4L80-E, Cadillac, Chevy, GMC, Each
Part Number: HAY-97-1J32F
Not Yet Reviewed
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
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: Nov 13, 2025 if ordered today
Estimated Ship Date: Nov 13, 2025 if ordered today
Clutch Kit, DYAD DS, Performance, Dual Disc, 10-Spline, 1.063 in. Diameter, 10.400 in. Disc Diameter, Organic/Carbon Composite, Billet Flywheel, Kit
Part Number: CTF-413214805
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Clutch Kit, DYAD DS, Twin-Disc, 1.125 in.-26 Spline, 10.4 in. Disc, Steel Flywheel, Ford, 8-Bolt, Kit
Part Number: CTF-413114805
Not Yet Reviewed
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Clutch and Flywheel Kit, SST, 1 1/8 in. Diameter Shaft, 26-Spline, 10.4 in. Diameter Disc, Ford, Kit
Part Number: CTF-412114805
Not Yet Reviewed
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Torque Converter, Traveler, Chevy, 4L80E, 1,900-2,100 rpm Stall Range, Each
Part Number: BMM-70431
Estimated Ship Date: Nov 11, 2025 if ordered today
Estimated Ship Date: Nov 11, 2025 if ordered today
Clutch Kit, Stage 3, Ceramic, 1.062 in. Shaft, 10-Spline, 10.5 in. Disc, Ford, 5.0L, Kit
Part Number: ZZZ-F3-48
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 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: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 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: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Clutch Kit, DYAD DS, Performance, Dual Disc, 26-Spline, 1.125 in. Diameter, 10.400 in. Disc Diameter, Organic/Carbon Composite, Billet Flywheel, Kit
Part Number: CTF-413614877
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Torque Converter, Twister Full Race, 35-spline, 9.600 in. Diameter, 6L80E, Each
Part Number: HAY-97-1K24F
Not Yet Reviewed
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
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: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Specialty Components, AODE, 4R70W Drop-in Reverse Boost Valve and Bushing
Part Number: TRG-AODE-BOOST
Not Yet Reviewed
Estimated Ship Date: Monday 10/27/2025
Estimated Ship Date: Monday 10/27/2025
Torque Converter, Twister Full Race, 35-spline, 9.600 in. Diameter, 6L80E, Each
Part Number: HAY-97-1K36F
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Specialty Components, 6L80 Stock OE Replacement Boost Valve
Part Number: TRG-6L8BOOSTOES
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
