Driven STF Synthetic Synchromesh Transmission Fluid - 1 Quart Bottle 1034103 Big Mutha' Thumpr

Big Mutha' Thumpr

5 Thread Pitch

Tank also has a 3/8" NPT side port for a return or vent and a separate 1/4" NPT fitting with an integrated foam filter for an additional vent

GM Fullsize Truck 1967-87

GM Fullsize Truck 1979-94

Driven STF Synthetic Synchromesh Transmission Fluid - 1 Quart Bottle 1034103 Big Mutha' ThumprSTF protects gears, bearings and internal clutches in extreme heat environments such as those experienced by track day cars and race vehicles. By reducing friction, heat and wear, it improves shifting characteristics and lowers operating temperatures. Designed to exceed performance requirements for GM, Chrysler, Honda and Mini Cooper synchronized transmissions, STF features advanced synthetic base stocks, multifunctional performance additives,