Our replacement rear brake rotor has a 4/130 bolt pattern.Works for swing axle cars and can be used on later cars with IRS suspension by simply using an IRS rotor spacer number 300703. Many times your original Air-Cooled VW's Brake Rotors are worn dangerously beyond the factory specified tolerances. Forget about using worn, rusty brake components during your brake system overhaul! Our brand new Air-Cooled VW Rotors are original equipment quality and very affordable.