SCS Professional Series Quick Change Gear Set - 6 Spline - Set 611 - 4.11 Ratio 2.74 / 6.17 - 4.33 Ratio 2.89 / 6.50 Lund 1971-1972 Ford Mustang Base CID

1971-1972 Ford Mustang Base CID 351 Naturally Aspirated GAS

Velcro Front Strap Helps Keep The Tail Tank Cooler In Place

1988-1995 GMC K1500

1988-2000 GMC C3500

0" (Asphalt) Recommended Weight: Light Weight up to 2750 (48-50% Rear Weight)

SCS Professional Series Quick Change Gear Set - 6 Spline - Set 611 - 4.11 Ratio 2.74 / 6.17 - 4.33 Ratio 2.89 / 6.50 Lund 1971-1972 Ford Mustang Base CIDManufactured 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