1973-1983 Front Bumper or 1974-1982 Rear Bumper - Stainless Steel Retainer Kit. Includes 18 T-Bolts, Nuts and Washers.NOTE: Don't forget to add the bolt retainers/keepers sold separately which helps hold the studs in place when installing a new bumper. Search our listings for "C3 Corvette Bumper Mounting Retainer Keeper Kit 18pcs 23140"