C4 Corvette Seat Support Trapeze Repair Kit Fits: All 84 through 96 Corvettes Fits All C4 Corvettes 1984 through 1996. Will Cure the "Sags" for One Seat (See Our Other Listings for the Dual Kit). Restores the Seat to the Proper Seating Height and Support. Even if your Seat Feels Fine, Most likely You still have "Seat Sag". No Instructions are Included, Please Read Detail Product Info for Install Notes.