TCI C4 24/26 Spline Input Shaft H777C02S and has built in reverse

and has built in reverse polarity protection

Holley / Proform / Quick Fuel Double Pumper Carburetors

Easily remove and install new valve cores

86 Ratio 4

TCI C4 24/26 Spline Input Shaft H777C02S and has built in reverseVaccu Melt 300 C4 Input Shaft.. This Vaccu Melt 300 Billet Steel Ford C4 Input Shaft provides simply the highest rated tensile strength capacity in the industry. TCI Hardened Input Shafts are constructed from hardened, aircraft quality Vaccu Melt 300 billet steel or Vasco 300 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 along