B And M Automotive - Th400 Shift Improver Kit

Enhance your vehicle's automatic transmission performance with the B And M Automotive Th400 Shift Improver Kit. Specially designed for TH400, TH375, and M40 models from 1965 to 1987, this kit ensures smoother shifts and improved durability. With dimensions of 16.9 inches in length, 14.05 inches in width, and 0.45 inches in height, it's a perfect fit for enhancing your drivetrain's performance. Ideal for enthusiasts looking to maintain, repair, or upgrade their vehicles.