Nine-Plus Rear drum brake kit uses ABCS (Aftermarket Brake Configuration Standard) for maximum interchangeability. Designed for Ford 9" housings fitted with Torino housing ends (2.800" register, 2.500" brake spacing). Includes one pair of 11" x 2-1/4" brake drums with 4-1/2" and 4-3/4" bolt circles, backing plates, shoes, return springs, automatic adjusters and hardware.