SCS Professional Series Quick Change Gear Set - 6 Spline - Set 623 - 4.11 Ratio 2.99 / 5.65 - 4.33 Ratio 3.15 / 5.95 AN Dust Plug GM A / G-Body 1964-88

GM A / G-Body 1964-88

Steering Box Mounts

No programming loops

Plastic / Brass

SCS Professional Series Quick Change Gear Set - 6 Spline - Set 623 - 4.11 Ratio 2.99 / 5.65 - 4.33 Ratio 3.15 / 5.95 AN Dust Plug GM A / G-Body 1964-88Manufactured 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