Ford C4 Automatic Transmission 0.839" 26 / 26 Spline Billet Steel 300M Input Shaft Windsor and Big Block versions

Windsor and Big Block versions are built from sturdy cast aluminum

to provide maximum performance

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

and longevity

This TH400 Billet Aluminum Direct Drum is manufactured specifically for drag racing classes including Pro-Street

Ford C4 Automatic Transmission 0.839" 26 / 26 Spline Billet Steel 300M Input Shaft Windsor and Big Block versionsOur 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.