1970-2017 GM 8.5 Ring and Pinion 4.56 Ratio (YG GM8.5-456) Bulletproof-Import-September 7 levels of Eco Mode

7 levels of Eco Mode designed to optimize fuel efficiency and smoother city driving

its reduced hub deflection means better braking and handling

The CV Front Driveline for 4-6" Cognito lifts is designed to address the driveline angle changes caused by a suspension lift

Resists Abrasions

25523 / 25590 Carrier Bearings

1970-2017 GM 8.5 Ring and Pinion 4.56 Ratio (YG GM8.5-456) Bulletproof-Import-September 7 levels of Eco ModeYukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon Engineers use state of the art design & testing processes, backed by 2 in house quality labs to ensure each item manufactured meets exacting specifications & quality standards. Yukon designed gear tooth surface finish reduces both friction & heat for long races & high torque conditions. We use high grade steel in both the ring & pinion, with fitment designed to OEM