SCS Professional Series Quick Change Gear Set #37 2010215 35-75psi (Works well with 11104

35-75psi (Works well with 11104 Eliminator up to 11102 Pro Series)

NOTE: The PN 83653 is designed to replace GM HEI Distributors that use a 4-pin ignition module

800" range spring micrometer

Holley LS3 / LS7 Intakes

Dual fuel lines for Holley 4150 Ultra HP Carburetors w -8 O-ring HP Bowls

SCS Professional Series Quick Change Gear Set #37 2010215 35-75psi (Works well with 11104SCS 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