Fastener Material:  Chromoly
Fastener Finish:  Black oxide
Fastener Style:  Bolt
Fastener Head Style:  12-point
Thread Size:  12mm x 1.50 RH


Pro Series 190,000 psi tensile strength. One bolt per cam required. Will not fit 3-valve engines. Features a 18mm size head and a 1.800 in. underhead length.