Yukon Gear & Axle Trac-Loc Posi Differential Carrier Smooth 28 Spline Iron - 9" Ring Gear H776003XXL Engineered from high strength aluminum

Engineered from high strength aluminum alloy

but they're also designed specifically to fit our intakes and cylinder heads

Lightweight Billet Aluminum Serpentine Water Pump & Power Steering Drive

1965-1965 Dodge 880

Yukon Gear & Axle Trac-Loc Posi Differential Carrier Smooth 28 Spline Iron - 9" Ring Gear H776003XXL Engineered from high strength aluminumYukon Gear TracLoc Differential For Ford 9" With 28 Spline Axles, Street Design Fits Ford 9'' with 28 spline axles, smooth design. Dura Grip Posi Tractions feature a 4 spring design and composite clutches for long life and forged internals for high strength. The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Posi