SCS Professional Series Quick Change Gear Set - 6 Spline - Set 62 - 4.11 Ratio 3.96 / 4.27 - 4.33 Ratio 4.17 / 4.50 Wire Tie Holder Both accept late-model water neck

Both accept late-model water neck

Easy To Install

although the helmets are perfectly compatible with all hard wired Stilo DG and WRC series amplifiers

6 in Base Diameter

SCS Professional Series Quick Change Gear Set - 6 Spline - Set 62 - 4.11 Ratio 3.96 / 4.27 - 4.33 Ratio 4.17 / 4.50 Wire Tie Holder Both accept late-model water neckManufactured 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