SCS Professional Series Quick Change Gear Set - 6 Spline - Set 615 - 4.11 Ratio 2.57 / 6.58 - 4.33 Ratio 2.71 / 6.93 Upper A-Arm Shims 6 AN Male to 1/4

6 AN Male to 1/4 in Tubing

1960-1971 Chevrolet C10 Pickup

Dry boiling point 594°F

First generation 1970-1980 gasket maker

Elastomer compatibility

SCS Professional Series Quick Change Gear Set - 6 Spline - Set 615 - 4.11 Ratio 2.57 / 6.58 - 4.33 Ratio 2.71 / 6.93 Upper A-Arm Shims 6 AN Male to 1/4Manufactured 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