Optional Feuling cam support plate/oil pump fastener kit for Twin Cam engines Quality 12-point heat treated 8740 chromoly steel bolts with black oxide finish Features precision rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide underhead flange design provides even load distribution for optimum sealing of surfaces - preventing leaks Tensile strength rated @ 170,000 psi - Superior and Stronger than OEM and stronger than grade 8 fasteners Manufactured by ARP to Feuling's exact specifications Kits include moly assembly lubricant for installation