The shock is a 2"body front shock that fits GM mid-size, Metric Chassis, 70-81 Camaro and Firebird. This Series gives you a rebuildable, revalvable steel body take-apart shock that is available in your choice of compression valving from 1-9 and rebound valving from 1-14. It can be repaired or revalved at the factory or at one of our many Rebuild Centers