For street cars where emergency brake provisions are required. This standard kit features stamped steel brackets and O.E. style brake calipers that make poor brake performance a thing of the past. Kit is 4 x 130 with 14 x 1.5mm threads, I.R.S. 1973 – 1979. Includes rotors, calipers with pads, mounting brackets and hardware. Wheel studs are not included. Must use with 15in wheels.