TCI Automotive 5R55S 300M Input Shaft for 9 vehicles

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 the extended high gear splines to the o il ring. See the chart below to compare TCI Input Shaft materials compared to stock and other aftermarket brands.