BUICK ROADMASTER Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

Powertrax Differential Spring Rebuild Kits 1025350KAP

Replacement Springs, Powertrax Lock-Right, Kit

Part Number: PWT-1025350KAP

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

ACDelco Automatic Transmission Fluid Pan Magnets 24239049

Automatic Transmission Pan Magnet, THM125C, THM440, 4T60, ME9, TH400, 4l80, Buick, Cadillac, Chevrolet, Each

Part Number: ADO-24239049

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

TransGo Automatic Transmission Boost Valves 7-300

Boost Valve/Bushing, Intermediate and Reverse, 700R4/200-4R, Kit

Part Number: TRG-7-300

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Powertrax Lock-Right Lockers GM 7.5/7.625 Inch 1931-LR

Differential, Lock-Right, Locker, 28-Spline, GM, 7.625 in., Each

Part Number: PWT-1931-LR

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

TransGo Automatic Transmission Boost Valves 7-500

TV Boost Valve, .500, Racing, Pro-Street, 700R4/200-4R, Kit

Part Number: TRG-7-500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Motive Gear Performance Ring and Pinion Sets G885456 GM 8.5/8.6 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Motive Gear Differential Carrier and Pinion Shim Kits GM7.5MSK

MASTER SHIM KIT GM 7.5

Part Number: MGR-GM7-5MSK

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Pioneer Automotive Automatic Transmission Rebuild Components 753052

SUPER KIT

Part Number: PIO-753052

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 28, 2026 if ordered today

Dorman Ring and Pinion Sets 697-719 GM 7.5/7.625 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM 7.5/7.625 in., Set

Part Number: RNB-697-719

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Motive Gear Axle Bearings 6408

Axle Bearing, Rear Left or Right, 1.622 in. Bore, 2.531 in. O.D., 0.823 in. Width, GM, Ford, Mopar, Each

Part Number: MGR-6408

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Motive Gear Differential Pinion Bearing Kits R7.5GRTPK

Pinion Bearing Kit, PBK GM 7.50/7.625 in. 1982-1998, Kit

Part Number: MGR-R7-5GRTPK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Motive Gear Performance Ring and Pinion Sets G885513 GM 8.5/8.6 in. 5.13 Gears

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885513

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Motive Gear Super Ring and Pinion Gear Installation Kits R7.5GRSKT

Ring and Pinion Installation Kit, Super Kit, GM, 7.5 in., Kit

Part Number: MGR-R75GRSKT

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Lokar Hi-Tech Flexible Braided Stainless Transmission Dipsticks TD-34L60TM

Lokar Hi-Tech Flexible Braided Stainless Transmission Dipsticks TD-34L60TM

Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, 4L60, Each

Part Number: LOK-TD34L60TM

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

The Right Stuff Brake Hub Dust Caps DC01

Wheel Hub Dust Cap, Steel, Zinc Plated, 1.773 in. o.d., Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: RSD-DC01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

B&M Holeshot 2,800-3,200 Stall Torque Converter 70421

Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, 700R4, Each

Part Number: BMM-70421

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

National Bearing Oil Seals 8835S

Oil Seal;

Part Number: NTL-8835S

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Richmond Gear Ring and Pinion Sets 49-0045-1 GM 7.5/7.625 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900451

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

ACDelco GM Genuine Parts Automatic Transmission Clutch Booster Springs 08667424

Clutch Booster Spring, Automatic Transmission, Stock Replacement, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Car, Truck, Each

Part Number: ADO-8667424

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

ACDelco GM Genuine Parts Torque Converter Pulse Width Modulation Valves 24227792

Torque Converter Pulse Width Modulation Valve, Buick, Each

Part Number: ADO-24227792

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

DRP Performance Premium Low Drag Bearing Kits 007 10581

Wheel Bearings, Premium Low Drag, Steel Roller Bearing, Front, Rear, Kit

Part Number: DPR-00710581

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

SKF Bearings U-Joints UJ534G

Universal Joint

Part Number: SKF-UJ534G

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Dorman Flywheel Fasteners 14557

Flywheel Fasteners, 12-point, 7/16-20 in. Thread, Steel, Black, AMC, Ford, GM, Set of 6

Part Number: RNB-14557

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Richmond Gear Ring and Pinion Sets 69-0322-1 GM 7.5/7.625 in. 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6903221

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Hays Street 450 Clutch Conversion Kits 91-1102

Clutch Kit, 450 Street, 11 in. Disc, 26 Spline, 1.125 in. Input Diameter, Diaphragm, GM, Kit

Part Number: HAY-91-1102

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/13/2026 if shipped by air