Transmission & Drivetrain
Availability
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.
Showing In Stock Items. Show All Items.
Torque Converter, Pro LS, 11 in. Diameter, Chevy, 6L80E/6L90E, 3,000-3,200 Stall, Each
Part Number: SUM-700344
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Torque Converter, Pro LS, 11 in. Diameter, Chevy LS, 4L80E, 2.650 in. Hub Height, 3,000-3,200 Stall, Each
Part Number: SUM-700342
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Pro LS, 11 in. Diameter, Chevy, 6L80E/6L90E, 2,600-2,800 Stall, Each
Part Number: SUM-700345
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Pro LS, 11 in. Diameter, Chevy, 4L60E/4L65E/4L70E, 3,000-3,200 Stall, Each
Part Number: SUM-700340
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Night Stalker, 12 in. Diameter, Lockup, 2,200-2,800 Stall, GM, 4L60E, 4L65E, 4L70E, 300mm, Each
Part Number: APE-49452
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Pro LS, 11.8 in. Diameter, Chevy LS, 4L80E, 2.650 in. Hub Height, 2,600-2,800 Stall, Each
Part Number: SUM-700347
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Pro LS, 12 in. Diameter, Chevy, 4L60E/4L65E/4L70E, 2,400-2,700 Stall, Each
Part Number: SUM-700338
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converters, Boss Hog LS Night Stalker Torque Converters, 2,200-2,800 RPM Stall Speed, 36 input Spline, 12.125 in. Bolt Circle, Chevy, Each
Part Number: APE-45412
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Flexplate Spacer, Crankshaft, Steel, Natural, Chevy GM, LS/LSX, Gen III/IV, Includes Bolts, Kit
Part Number: SUM-704000
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Night Stalker, 12 in. Diameter, Lockup, 1,600-2,200 Stall, GM, 4L60E, 4L65E, 300mm, Each
Part Number: APE-49451
Estimated Ship Date: Today
Estimated Ship Date: Today
Flexplate and Hub Extension, 168-Tooth, LS Chevy Engine to GM Transmission, Each
Part Number: ADD-712500A
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Adapter Kit, Bellhousing Adapter, Throwout bearing spacer, Pilot bearing, Chevy LS, Aisin AR5, Kit
Part Number: SUM-LSTOAR5
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converters, Boss Hog LS Night Stalker Torque Converters, 2,000-2,300 RPM Stall Speed, 36 input Spline, 12.125 in. Bolt Circle, Chevy, Each
Part Number: APE-4540HD
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Pro LS, 11.8 in. Diameter, Chevy, 4L60E/4L65E/4L70E, 2,600-2,800 Stall, Each
Part Number: SUM-700346
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Street Bandit, 9.6 in. Diameter, Lockup, 3,200-3,500 Stall, GM, 4L60E, 4L65E, 300mm, Each
Part Number: APE-49454
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Street Bandit, 9.6 in. Diameter, Lockup, 3,500-4,200 Stall, GM, 4L60E, 4L65E, 300mm, Each
Part Number: APE-49455
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Night Stalker, 12 in. Diameter, Lockup, 2,800-3,200 Stall, GM, 4L60E, 4L65E, 300mm, Each
Part Number: APE-49453
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Transmission, GM LS T-56 Magnum 6-Speed, 1.125 in. - 26-spline Input, Aluminum Case, Slip-on Yoke, Bellhousing, Clutch, Transmission Mount, Kit
Part Number: BTM-1511012
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
This product may not be eligible for select promotional offers
Torque Converter, Street Bandit, 9.6 in. Diameter, Lockup, 2,400-2,800 Stall, GM, 4L60E, 4L65E, 300mm, Each
Part Number: APE-49462
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Street Bandit, 9.6 in. Diameter, Lockup, 2,800-3,200 Stall, GM, 4L60E, 4L65E, 300mm, Each
Part Number: APE-49463
Estimated Ship Date: Today
Estimated Ship Date: Today
Flexplate Adapter, Pilot extension, Crankshaft Hub, Steel, Natural, Chevy GM, LS/LSX, Gen III/IV, Each
Part Number: SUM-704004
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Flywheel/Flexpate Bolts, USA 12.9, LS Crankshaft, Set of 6
Part Number: ICB-551926
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Night Stalker, 12 in. Diameter, Lockup, Stock, GM, 4L60E, 4L65E, 300mm, Each
Part Number: APE-49450
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter, Wild Boar Outlaw, 9.6 in. Diameter, Lockup, 2,400-2,800 Stall, GM, 6L80E, Each
Part Number: APE-45702
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Flexplate Adapter, Pilot extension, Crankshaft Hub, Steel, Natural, Chevy, Small Block, LS, Each
Part Number: APE-4749E
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster