B&M TH400 Shift Improver Kit 29110BL The air intake is designed

The air intake is designed to force airflow into the helmet’s ventilation channels to enhance and maximize air exchange inside the helmet

3/8 in Head

Hex Nuts / Install Tool / Washers Included

Standard Duty

Catalytic Converter

B&M TH400 Shift Improver Kit 29110BL The air intake is designedShift Improver Kit for 65 87 TH400 Transmission B&M'specializes in performance automatic transmissions, torque converters, SFI approved flexplates, legendary automatic shifters, precision manual shifters, and many other transmission products including cast deep aluminum transmission pans, transmission coolers, and automatic transmission fluid. B&M Performance and Off Road has been at the vanguard of the growing automotive aftermarket since the early