SCS Professional Series Quick Change Gear Set - 6 Spline - Set 68 - 4.11 Ratio 2.94 / 5.75 - 4.33 Ratio 3.09 / 6.06 HALCL19XXL 500" shaft accurately through 10

500" shaft accurately through 10

It is designed to mount on the engine side of the dash panel

1981-1983 Ford F-100

103 mm Alternators

SCS Professional Series Quick Change Gear Set - 6 Spline - Set 68 - 4.11 Ratio 2.94 / 5.75 - 4.33 Ratio 3.09 / 6.06 HALCL19XXL 500" shaft accurately through 10Manufactured 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