Ford C4 Automatic Transmission 0.839" 26 / 24 Spline Billet Steel 300M Input Shaft The high carbon steel material

The high carbon steel material is incredibly strong and can withstand the rigors of the most extreme engines

The LS (Gen3/4) platform has many design benefits over the earlier SBC engine designs

these Speedmaster valve locks will provide the reliability that you've been looking for

thicker walls

the blue anodized aluminum construction delivers performance and a show car quality appearance

Ford C4 Automatic Transmission 0.839" 26 / 24 Spline Billet Steel 300M Input Shaft The high carbon steel materialThese Performance Automatic hardened input shafts are custom forged from 9310 non twist steel. Quality, performance and great value make these hardened input shafts an essential component for anyone looking to raise their transmission to the next level.