A Disc brake REAR Kit: 1955 -77 Full Size (choose)PLEASE READ "DESCRIPTION" on LHS lower page. You need 15"or large rims for these kits. Delivery is Additional Quoted once known where its to go to, you will get a call from us so you can cancel or keep order going, or call up first if worried. FOR NON STAGGERED 1965 77 GM USA Full size car REAR ENDS.. ie BOTH SHOCKS are at the FRONT of the diff. Most 55 57 GM cars have Shocks at the Front of the diff. Some cars have altered rear ends.. so best to