SCS Professional Series Quick Change Gear Set - 6 Spline - Set 611 - 4.11 Ratio 2.74 / 6.17 - 4.33 Ratio 2.89 / 6.50 356907 2006-2009 GMC C5500 Topkick

2006-2009 GMC C5500 Topkick

Clamps are constructed of 1/8" mild steel that is 2" wide

feature a laser etched and Bow Tie logo

stainless steel hose clamps and mounting and installation instructions

SCS Professional Series Quick Change Gear Set - 6 Spline - Set 611 - 4.11 Ratio 2.74 / 6.17 - 4.33 Ratio 2.89 / 6.50 356907 2006-2009 GMC C5500 TopkickManufactured from 9310 aircraft alloy for maximum strength, 6 spline quick change gears are crown hobbed, broached for 6 spline shaft fit, and black oxide finished for corrosion protection. Gears undergo a five step heat treating process to deliver maximum durability. Since 1979, SCS Gearbox, Inc. has been listening to it's customers! When SCS Gearbox first started manufacturing, it was to meet the needs of tractor pullers to provide specialized