This bolt-on brake kit fits stock '71-80 Pinto and '74-78 Mustang II spindles. The 10" diameter .350" thick solid (or optionally available slotted) rotor with curved gas-reliefs, combined with the 2-piston Wilwood calipers will supply adequate brakes for vehicles under 2400 pounds. If used with a parachute weight can be as high as 2900 pounds. The CNC machined caliper-mount-brackets will bolt to the spindle using OEM holes. The billet aluminum hub is drilled for 5 on 4-1/2" and 5 on 4-3/4" bolt circles. Complete with 1/2x3" 12-point studs and screw-on dust covers. Kit includes anodized aluminum billet hubs; rotors; 12-point wheel studs; 2-piston Wilwood forged calipers; caliper mounting brackets; brake pads; wheel bearings; seals; mounting hardware; instructions and drawing. Rotors with curved gas-relief slots are optionally available.