TCI Transmission Input Shaft - Hardened - Steel - 4L80E 3550224-123- S 1986-1996 Ford E-250 Econoline

1986-1996 Ford E-250 Econoline

Valve Springs

1958-1960 Lincoln Premier

or Midgets

1965-1974 Ford LTD

TCI Transmission Input Shaft - Hardened - Steel - 4L80E 3550224-123- S 1986-1996 Ford E-250 Econoline4L80E Vaccu Melt 300 Input Shaft.. This 4L80E Vaccu Melt 300 Input Shaft is made from billet steel to handle far greater horsepower demands than stock replacement units. 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