SCS Professional Series Quick Change Gear Set #18 22532508 351C and 351W crankshafts

351C and 351W crankshafts

1978-1985 Cadillac Seville

Programmable step retard

Replacing your factory resonator with the Roush Resonator Delete H-Pipe won't trigger any check engine lights

Corvette owners can now replace their worn out Magna-Pulse distributors with this precision Pro-Billet Tach Drive Distributor

SCS Professional Series Quick Change Gear Set #18 22532508 351C and 351W crankshaftsSCS Professional Series Quick Change Gears are made from aircraft steel for maximum strength. Each gear has a shaved finish to minimize backlash and run out, and is broached for proper 10 spline shaft fit. The SCS Extra 5 step heat treating process yields maximum gear life for high stress applications such as big block Oswego Super Modifieds and World of Outlaws Sprint Cars. Gears have a black oxide finish, and the faces have been lightened to reduce