B&M Shift Improver Kit - GM TH350 Transmissions MERCHANT AUTOMOTIVE 59% cfm Flow Gain

59% cfm Flow Gain

Simple Installation and Warranty Coverage: Designed for an easy bolt-on installation

we focus on perfecting our Fuel Systems and how they are engineered-taking the extra steps that our competitors simply do not

or side 3 inch wide angle LEDs providing over 48

1 billet filter head accepts standard spin-on fuel filters

B&M Shift Improver Kit - GM TH350 Transmissions MERCHANT AUTOMOTIVE 59% cfm Flow GainThe 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