2003-2009 GMC Envoy & Chevrolet Trailblazer with 3.42 ratio (GU6 RPO code)

2004-2008 Isuzu Ascender with 3.42 ratio (GU6 RPO code)

free shipping to the lower 48 states!!

loc w5d03a

stk 3u1938 // 3b0845