B&M Shift Improver Kit - GM TH350 Transmissions MERCHANT AUTOMOTIVE 1 billet filter head accepts

1 billet filter head accepts standard spin-on fuel filters

or side 3 inch wide angle LEDs providing over 48

In-Bed Hitch- Compatible

New technology 64mm mixed flow larger turbine wheel increases turbine flow and efficiency

B&M Shift Improver Kit - GM TH350 Transmissions MERCHANT AUTOMOTIVE 1 billet filter head acceptsThe B&M Shift Improver kits feature two options to recalibrating your 1968 1981 GM TH350 automatic transmissions. First is the HEAVY DUTY set up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles. This is a great option for performance street driving or towing. The second is our STREET STRIP set up. Be warned, this will deliver firm positive shifts you will feel, along with easily chirping