Ford C4 Automatic Transmission 0.839" 26 / 26 Spline Billet Steel 300M Input Shaft Speedmaster remote thermostat housings locate

Speedmaster remote thermostat housings locate the filler neck at the highest point of cars with low mount radiators to bleed air

and longevity

Designed for LS applications or water pumps with threaded provision for water neck

Speedmaster supercharger pulley spacers are designed to fit the Speedmaster nose drive assembly so that the belt alignment will be correct

Windsor and Big Block versions are built from sturdy cast aluminum

Ford C4 Automatic Transmission 0.839" 26 / 26 Spline Billet Steel 300M Input Shaft Speedmaster remote thermostat housings locateOur Input Shafts are constructed from hardened, aircraft quality high strength steel. They feature increased lubrication flow and strength with a resized diameter that provides optimum stress distribution along the entire length of shaft and along the extended high gear splines to the oil ring.