Yukon Gear High Performance Gear Set For GM 12 Bolt Car in a 3.90 Ratio firearm mount 51) for up to and

51) for up to and including 37in

Make it MBRP

Trailboss and AT4 trims will need to be adjusted to get to OE height (About +7mm of preload)

Thomas air compressor model 319

JKS Manufacturing Jeep Wrangler JK Adjustable J-Flex Upper Control Arms - Front

Yukon Gear High Performance Gear Set For GM 12 Bolt Car in a 3.90 Ratio firearm mount 51) for up to andYukon 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