SCS Professional Series Quick Change Gear Set #20 Ignition Box Precise CNC manufacturing and TIG

Precise CNC manufacturing and TIG welding prevent distortion for a perfect fit every time

Made in US

Calibrations optimized for today's larger race engines and new fuels

Uses the OE Mounting Holes - for Easy Installation

2009-2014 GMC Yukon XL 1500

SCS Professional Series Quick Change Gear Set #20 Ignition Box Precise CNC manufacturing and TIGSCS 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