SCS Professional Series Quick Change Gear Set - 6 Spline - Set 613 - 4.11 Ratio 2.64 / 6.39 - 4.33 Ratio 2.78 / 6.74 BAND-BTH-BLACK Large adjustment knobs and numbering

Large adjustment knobs and numbering for easy programming

Firewall mounted bracket is pre-drilled to accept Allstar power brake boosters or most manual brake master cylinders and includes a dash support bracket

2001-2006 GMC Sierra 2500 HD 78

2019-2020 Ram 1500 Laramie Quad Cab Pickup

SCS Professional Series Quick Change Gear Set - 6 Spline - Set 613 - 4.11 Ratio 2.64 / 6.39 - 4.33 Ratio 2.78 / 6.74 BAND-BTH-BLACK Large adjustment knobs and numberingManufactured 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