Howards Cams 94212 Howards Cams Double Roller …
Howards Cams Double Roller Timing Sets. Howards Cams double roller timing sets are hand-matched for quality and reliability. These 3-piece timing sets feature a premium double roller chain for extended life with cast iron cam sprockets. The 3-keyway crank sprockets offer a +4, 0, -4 cam adjustment.