ATC steering wheel hub boss kit PCD adapter converts 6-hole hubs with a 70mm bolt pattern (e.g. MOMO, Sport Line, OMP, Sparco) to fit 6-hole steering wheels with a 74mm bolt pattern (e.g., ATC, KEY'S).
ATC PCD adapter, crafted from solid billet aluminum and measuring just 8.50mm thick, is the thinnest on the market.
Made in Japan.