THIS IS A NEW IN THE BOX REAR SPLASH SHIELDS. WE WELCOME ALL QUESTIONS PLEASE ASK BEFORE YOU BUY. Fits Compatible with 1964-77 GM 10 / 12 Bolt Rear Disc Brake Conversion Backing Plate Splash Shields. For Non Staggered Shock - Bolt to Flange. There is one right and one left plate. fits all rear disc kits that use the compatible with Cadillac Seville rear calipers. Compatible WITH REAR CALIPERS FROM 1979-85 79-85 Seville, Riviera, Toronado fits Rotors - 79-81 Firebird Rear Disc 11" Brake Rotors. 5560,