This 1965-1982 O-Ring Seal Rear Brake Caliper will last longer, resist leaking, and help eliminate cavitation. O-Ring calipers have also been shown to help lessen leaks and failures in Corvettes that are stored for long periods of time. Each unit comes preassembled with special O-Ring type pistons, springs, seals, dust boots, stainless steel bleeders/plugs, and new pad pins with cotter key..
Black painted calipers with natural finish bolts. Rear Calipers feature casting number 5452281 on the inboard half and casting number 5452284 on the outboard half. Designed to to fit 1965-1966 first design and 1967-1982 second deign calipers.
This brand new caliper is a direct replacement upgrade that features the DELCO MORAINE stamping and requires no core charge.
NOTE: Use of DOT 5 brake fluid will VOID all warranty coverage. Changes in chemistry may have adverse effects on rubber brake system components as per EPA rule.
Learn more from the following Mid America Motorworks Knowledge Library article:
How to Select the Right Caliper for your 1965-1982
Buy now and save 10% on the matching rear right caliper! 
General Motors Licensed Product.