This full contact rear series of 18 shims includes 2 toe shims each (+- .10deg,+- .20deg,+- .30deg,+- .40deg,+- .50deg) and 2 camber shims each (+ .25deg, + .50deg,- .25deg,- .50deg) for rear wheel alignment on the Cruze, Volt, ELR, and Verano. Up to two toe and camber shims may be stacked for maximum change. California Residents WARNING