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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.
Showing In Stock Items. Show All 185 Items.
Clutch Pilot Bushing, Solid, Powdered Metal, Each
Part Number: RNB-14650
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.73:1 Ratio, GM 8.2 in., Set
Part Number: RNB-697-807
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Gear, Ring and Pinion, 3.55:1 Ratio, GM 8.25 in., Set
Part Number: RNB-697-802
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Clutch Pilot Bushing .593 In. x 1.09 In. Type A, Length .750 In. Each
Part Number: RNB-690-014-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Ball Stud, Steel, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: RNB-14556
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, 3 Series, Set
Part Number: RMG-4900391
Estimated Ship Date: Today
Estimated Ship Date: Today
Dura Grip Positraction Carrier, Traction-Loc, GM 8.2 in. BOP, 28 Spline, 3.31 Up Ratio, Each
Part Number: YGA-26024
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Wheel Hubs, Bearings, Seals, Front, Drum Brakes, Chevrolet, Buick, Oldsmobile, Pontiac, Kit
Part Number: CLP-6474HKOE
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Lock-Right, Locker, 30-Spline, GM, 12-Bolt, Car/Truck, Each
Part Number: PWT-1910-LR
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 12-Bolt Car, 3 Series, Set
Part Number: RMG-4901131
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.08:1 Ratio, GM, 12-Bolt Car, 3 Series, Set
Part Number: RMG-4900941
Estimated Ship Date: Today
Estimated Ship Date: Today
Seal, Front Inner Wheel Bearing, Disc/Drum Brake hub, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: TMK-8705S
Estimated Ship Date: Today
Estimated Ship Date: Today
Universal Joint, S44/GM 3RL Style, Greasable, Steel, Each
Part Number: MOG-534G
Estimated Ship Date: Today
Estimated Ship Date: Today
Throwout Bearing, Hydraulic, Muncie Four Speed, Each
Part Number: MCL-1300
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set
Part Number: MGR-BP882373
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
Bearing Race, Pinion, 3.250 in. Diameter, Each
Part Number: TMK-M802011
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Master Cylinder, Hydramax, Cast Aluminum, Black, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit
Part Number: AWR-HMGM30001SR
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 4.11:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-79-0099-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Motive Gear Performance Ring and Pinion Sets G888373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears
Motive Gear Performance Ring and Pinion Sets G888373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888373
Not Yet Reviewed
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
Gear, Ring and Pinion, 4.88:1 Ratio, GM, 12-Bolt Car, 4 Series, Set
Part Number: RMG-79-0064-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Motive Gear Performance Ring and Pinion Sets G888355 GM 8.875 in. (12-bolt) passenger car 3.55 Gears
Motive Gear Performance Ring and Pinion Sets G888355 GM 8.875 in. (12-bolt) passenger car 3.55 Gears
Gear, Ring and Pinion, 3.55:1 Ratio, GM, 12-Bolt Passenger Car, Set
Part Number: MGR-G888355
Estimated Ship Date: Today
Estimated Ship Date: Today
