Centerlock Wheel Nut for RFR F2000 & F1000 cars

Centerlock wheel nut assembly for Ralph Firman Racing (RFR) F2000 and F1000 cars:

• Fits any year RFR with centerlock wheels.
• Sold as a complete assembly with nut ,washer, cone, and external retaining ring.
• Nut is made from heat treated steel and requires 1″ deep well socket.
• Cone is made from 6061 aluminum and anodized black.
• Note: Does not fit Van Diemen cars as stub axle thread is different.