SCS Professional Series Quick Change Gear Set - 6 Spline - Set 612 - 4.11 Ratio 2.70 / 6.26 - 4.33 Ratio 2.84 / 6.60 Emery Cloth ***Warning- Many Ford vehicle models

***Warning- Many Ford vehicle models were originally equipped with a heater core flow restrictor located at either the original heater hose fitting in the factory intake or inline in the inlet heater hose which protects the heater core from damage

Mount is made from 3/16" high quality aluminum

Commonly used with solid front engine mounts

PCYM Series

SCS Professional Series Quick Change Gear Set - 6 Spline - Set 612 - 4.11 Ratio 2.70 / 6.26 - 4.33 Ratio 2.84 / 6.60 Emery Cloth ***Warning- Many Ford vehicle modelsManufactured 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