CHEVROLET B&M Parts and Accessories

Automatic Transmission Controllers, Kickdown Switches, Buick, Chevy, GMC, Oldsmobile, Pontiac, TH400, Kit

Part Number: BMM-20297

4.3 out of 5 stars ( 43 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Shift Improver, Chevy, TH350, Each

Part Number: BMM-30262

4.73 out of 5 stars ( 26 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Transmission Upgrade Kit, Shift Improver, GM, 700R4, 4L60, Each

Part Number: BMM-70239

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Automatic Transmission Kickdown Kit, Carburetor/Fuel Injection, Buick, Chevy, Oldsmobile, Pontiac, 700R4, Kit

Part Number: BMM-70242

3.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air