Original style 1968-1969 Corvette seat mount shim kit w/storage bag - Originally used to alter seat back angle for a more upright position, without interfering with seat's tilt-forward operation. Shim kits were included in all 1968-1975 Corvettes from the factory. Correct die cut shape and finish. Includes (4) large shims, (4) washers and original style storage bag. Fits 1968-1969 Corvette.