Ford C4 Automatic Transmission 0.839" 26 / 26 Spline Billet Steel 300M Input Shaft aluminum heads can accept a

aluminum heads can accept a 2

This is necessary to obtain the desired results from the cam and ensure that damage is not done to the rest of the valvetrain

however this kit comes complete with the return spring assembly and brackets

Speedmaster billet ball-milled rear view mirrors are a beautiful

Speedmaster 4340 Billet Steel crankshafts are manufactured from high quality true billet round bar stock

Ford C4 Automatic Transmission 0.839" 26 / 26 Spline Billet Steel 300M Input Shaft aluminum heads can accept aOur 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.