ARP Cylinder Head Stud 12 Point Nuts Chromoly Black Oxide - Undercut R060015M The Race Ready version features

The Race Ready version features 100% CNC ported intakes while the higher flowing Competition version features 100% CNC ported intakes with greater detail

Unlike other materials that degrade after repeated heat cycles in an engine bay

and can also be mounted on AED Fuel Lines

Will not fit models equipped with eAssist Powertrain

Head and Neck Restraint Systems

ARP Cylinder Head Stud 12 Point Nuts Chromoly Black Oxide - Undercut R060015M The Race Ready version featuresProduct Description: Cylinder Head Stud Kit 12 Point Nuts Chromoly Black Oxide Undercut Aftermarket Head Small Block Chevy Since 1968, ARP is the fastener of champions and the world leader in fastener technology.