SCS Professional Series Quick Change Gear Set #21 Helmet Blower Hose Hood Scoop Extension

Hood Scoop Extension

and Brinn non-ball spline

1975-1997 Ford F-350

Shaft Mount

211 cc Intake

SCS Professional Series Quick Change Gear Set #21 Helmet Blower Hose Hood Scoop ExtensionSCS 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