1990 B&M Transmission & Drivetrain

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

Part Number: BMM-70239

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Monday 2/9/2026

Transmission Bracket, Steel, Natural, Chrysler, Dodge, Plymouth, Kit

Part Number: BMM-10497

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/9/2026

Transmission Upgrade Kit, Shift Improver, Ford, C-6, Each

Part Number: BMM-40262

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/9/2026

Transmission Bracket, Steel, Natural, Ford, Lincoln, Mercury, C-6, Kit

Part Number: BMM-40497

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

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 2/9/2026

Transmission Upgrade Kit, Shift Improver, GM, TH400, 3L80, Each

Part Number: BMM-20261

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

Filter Extension For 70289, 700R4

Part Number: BMM-70288

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

Transmission Filter Extension, Replacement, For BMM-70260, GM, 4L60E, Each

Part Number: BMM-70354

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

Transmission Upgrade Kit, Shift Improver, GM, 200-4R, Each

Part Number: BMM-35265

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

Transmission Filter Extension, Cast Aluminum, for BMM-10280, Each

Part Number: BMM-10279

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

• Drop Ship
• Special Order