Oil Filter Bolt for stock filter & housing - OEM # 15420-300-020

Fits: CB750K (1969-78),
CB750F (1975-76) Supersport,
CB750A (1976-78) Hondamatic
 
Fits: CB500K (1971-73),
CB550F (1975-77) Supersport,
CB550K (1974-78)
 
Fits: CB400F (1975-77) Supersport