This Yukon Gear 30-spline re-gear kit with a 4.11 ratio includes ring and pinion gears and all required bearings and installation hardware for GM 12-bolt differentials. Offered to improve a vehicle's launch and acceleration characteristics by switching to a more aggressive gear ratio, the kit contains the bearings, seals, and installation components needed for a full re-gear service.
Yukon Gear 67-72 Chevrolet Camaro Re-Gear Kit - 30 Spline 4.11 Ratio