BUICK 3.7L/225 Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

B&M Tork Master 1,900-2,100 Stall Torque Converter 20400

Torque Converter, Tork Master, 1,900-2,100 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20400

4.32 out of 5 stars ( 77 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Hurst Competition/Plus Installation Kits 3733163

Shifter Installation Kit, Competition Plus, Muncie, M-21, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: HUU-3733163

4.35 out of 5 stars ( 43 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Richmond Gear Ring and Pinion Sets 49-0039-1 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, 3 Series, Set

Part Number: RMG-4900391

4.82 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Hurst Indy 3-Speed Shifters 5010002

Manual Shifter, Indy 3-Speed, GM/Ford/Mopar, Each

Part Number: HUU-5010002

4.19 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Richmond Gear Ring and Pinion Sets 49-0096-1 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Car, Set

Part Number: RMG-4900961

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Richmond Gear Ring and Pinion Sets 49-0113-1 GM 8.875 in. (12-bolt) passenger car 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-4901131

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Powertrax Lock-Right Lockers GM 8.875 Inch (12-bolt), Car/Truck 1910-LR

Differential, Lock-Right, Locker, 30-Spline, GM, 12-Bolt, Car/Truck, Each

Part Number: PWT-1910-LR

4.07 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Motive Gear Performance Ring and Pinion Sets BP882373 GM 8.2 in. BOP axle 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set

Part Number: MGR-BP882373

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

American Powertrain Hydramax Master Cylinder Kits HMGM-30001G

Clutch Master Cylinder, Hydramax, Cast Aluminum, Black, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: AWR-HMGM30001SR

2.88 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Motive Gear Performance Ring and Pinion Sets BP882355 GM 8.2 in. BOP axle 3.55 Gears

Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set.

Part Number: MGR-BP882355

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Hays Classic Conversion Clutch Kits 83-1102

Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 11 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1102

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Richmond Gear Ring and Pinion Sets 69-0304-1 GM 8.875 in. (12-bolt) passenger car 4.10 Gears

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-6903041

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Hays Street 450 Clutch Conversion Kits 91-1002

Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 10.500 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Yukon Gear & Axle Ring and Pinion Sets YG GMBOP-336 GM 8.2 in. BOP axle 3.36 Gears

Ring & Pinion Gear, 3.36 Ratio, GM, 8.2 in. BOP, Set

Part Number: YGA-24503

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.2 Inch, BOP axle YDGGM8.2BOP-3-28-1

Dura Grip Positraction Carrier, Traction-Loc, GM 8.2 in. BOP, 28 Spline, 3.31 Up Ratio, Each

Part Number: YGA-26024

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Sep 8, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 8, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Auburn Gear Grip-N-Loc 28 Spline Differential GM 8.2 Inch, BOP axle 546099

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Richmond Gear Ring and Pinion Sets 69-0034-1 GM 8.875 in. (12-bolt) passenger car 5.14 Gears

Gear, Ring and Pinion, 5.14:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-6900341

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Motive Gear Performance Ring and Pinion Sets G888390 GM 8.875 in. (12-bolt) passenger car 3.90 Gears

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 12-Bolt Passenger Car, Set

Part Number: MGR-G888390

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Hays Street 650 Clutch Conversion Kits 92-1102

Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Diaphragm, 1.125 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1102

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Aug 25, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 25, 2025 if ordered today

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

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Richmond Gear Ring and Pinion Sets 69-0306-1 GM 8.875 in. (12-bolt) passenger car 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 12-Bolt Car, 3 Series, Set

Part Number: RMG-6903061

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

American Powertrain White Lightning Shifters SHWL-10100SR3X

Shifter, White Lightning, Short Throw, Billet Aluminum, Tremec TKX 5-Speed, 3.000 in. Offset, Each

Part Number: AWR-S0004

Not Yet Reviewed

Estimated Ship Date: Sep 30, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 30, 2025 if ordered today

Hays Street 450 Clutch Conversion Kits 91-1004

Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 11.000 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1004

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

USA Standard Gear Manual Transmission Bearing Kits ZMBK116HDWS

Manual Transmission Rebuild Kit, Muncie HD Four Speed, Includes Syncro Rings, 26-Spline, 1 in. Countershaft, Muncie M-21, M-22, Kit

Part Number: SPZ-74207

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 21, 2025 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GMBOP-355 GM 8.2 in. BOP axle 3.55 Gears

Gear, Ring and Pinion, 3.55:1 Ratio, 27 Spline, 8.2 in. BOP Axle, Set

Part Number: YGA-24504

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 5, 2025 if ordered today

Shiftworks Automatic Transmission Floor Mount Shifters for 1963-1965 RIVIERA, 1965-1967 SKYLARK, 1963-1967 WILDCAT - SW230-CB

Shiftworks Automatic Transmission Floor Mount Shifters for 1963-1965 RIVIERA, 1965-1967 SKYLARK, 1963-1967 WILDCAT - SW230-CB

SHIFTER

Part Number: SIW-SW230CB

Not Yet Reviewed

Estimated Ship Date: Aug 12, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 12, 2025 if ordered today