Yukon Gear High Performance Gear Set For GM Ci in a 3.55 Ratio 2004-gmc-envoy-xl-esi6421127 and the dividers are pulled

and the dividers are pulled back to increase plenum size and shorten the runners for improved high rpm performance

Year Make Model Submodel 1991 GMC Syclone Base 1992-1993 GMC Typhoon Base

2015 GMC Sierra 2500 HD Base 2011-2015 GMC Sierra 2500 HD Denali 2001-2002

leather-grain vinyl fabric

rectangle port intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p

Yukon Gear High Performance Gear Set For GM Ci in a 3.55 Ratio 2004-gmc-envoy-xl-esi6421127 and the dividers are pulledYukon 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