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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 382 Items.
Flexplate Bolts, Hex, Steel, Natural, 7/16 in.-20 in. RH, 0.688 in. Underhead Length, Chevy, Pontiac, Set of 4
Part Number: STG-8966A
Not Yet Reviewed
Estimated Ship Date: Apr 28, 2026 if ordered today
Estimated Ship Date: Apr 28, 2026 if ordered today
Filter Magnet, Transmission Pan, GM, Hummer, Isuzu, Saab, Saturn, Each
Part Number: ADO-29535617
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 Input Sun Gear Thrust Bearing, Chevrolet, Buick, Pontiac, Oldsmobile, Each
Part Number: ADO-9436851
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, Rear, 1.312 in. i.d., Chrysler, Dodge, Plymouth, Desoto, Ford, Lincoln, Mercury, Studebaker
Part Number: TMK-HM89443
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Pan Magnet, THM125C, THM440, 4T60, ME9, TH400, 4l80, Buick, Cadillac, Chevrolet, Each
Part Number: ADO-24239049
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converter Pulse Width Modulation Valve, Buick, Each
Part Number: ADO-24227792
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Bearings and Races, Forward Clutch Roller Inner RaceThrust Bearing, Each
Part Number: ADO-24200250
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
HUB ASM REAR WHEEL
Part Number: ADO-19433930
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
VALVE,2-3 SHFT SOL
Part Number: NAL-24219819
Not Yet Reviewed
Estimated Ship Date: Aug 10, 2026 if ordered today
Estimated Ship Date: Aug 10, 2026 if ordered today
Automatic Transmission Filter, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Saturn, Kit
Part Number: ADO-24227477
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wheel Bearing and Hub Assembly, Steel, Natural, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Saturn, Each
Part Number: ADO-513121A
Estimated Ship Date: Today
Estimated Ship Date: Today
Shaft, CV Axle, Replacement, Chevrolet, Pontiac, Saturn, Car, Each
Part Number: ADO-25821838
Estimated Ship Date: Today
Estimated Ship Date: Today
Manual Trans Input Shaft Thrust Bearing
Part Number: ADO-24223834
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Valve Body Solenoid Retainer, 4L60, 4L65, 4L70, 5L40, Chevrolet, GMC, Each
Part Number: ADO-8680781
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wheel Bearing and Hub Assembly, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Saturn, Each
Part Number: ADO-512357
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Detent Lever, 6T75, 6T70, Cadillac, Buick, Pontiac, Chevrolet, Saturn, Each
Part Number: ADO-24237643
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Auto Trans Turbine Shaft Seal
Part Number: ADO-8677453
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Tapered Roller Bearing Set Various Makes 63-17
Part Number: FWB-103274
Not Yet Reviewed
Estimated Ship Date: May 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 if ordered today
Automatic Transmission Component, Case Gasket, Upper and Lower, Each
Part Number: ADO-24206391
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wheel Bearing and Hub Assembly, Steel, Natural, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each
Part Number: ADO-512003
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Bushings, Extension Housing, GM Transmission, Each
Part Number: DUR-GMT-3-2TG
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
