Perfect fit:For Chevy Silverado C1500 1988-1998, For GMC C1500 Half-Ton Trucks 1988-1998. Application : For Chevy Silverado C1500 1988-1998, For GMC C1500 Half-Ton Trucks 1988-1998. Features - The kit can be used to lower your truck by placing the rear axle on top of the leaf spring.