Hy handymanmac, my Raybestos catalogue shows 1 1/8" front p/n 37025 left, p/n 37026 right, rear 1" p/n 13387 left, p/n 13388 right, there is also a listing for heavy duty brakes, same bore sizes but different front wheel cylinder p/ns 19086 left. 19087 right, hope that helps.
