Chevy/GMC 4″ Suspension Lift Kit PRESS RELEASE #39 Fits: (1977-1987) Chevy/GMC 1/2-Ton 4WD Trucks (1977-1987) Chevy/GMC 3/4-Ton 4WD Trucks (1977-1987) Chevy/GMC Blazer, Jimmy, & Suburban 4WD 4″ Suspension Lift Kit #C10– $499.95 view kit online Coldwater, MI–November 28, 2011 – Zone Offroad, the name you’ve come to know for quality offroad products and an affordable price is at it again. They now offer a 4″ suspension lift kit to fit ’77-87 1/2-ton and 3/4-ton GM vehicles. Months of development and testing has yielded a capable leaf spring that Zone is proud to introduce to their current application fitments. These springs are