Performance Online (POL) offers our Ford 9″ rear end disc brake conversion. Our kit now includes all twodifferent Ford 9″ housing flange bolt patterns. Kit fits both new and old large bearing design housings. Increases rear braking performance and reduces 60 to 0 stopping times. Uses C4 Corvette emergency brake calipers and all 2popular axle flange size caliper brackets are included in our kit.