12-Point Engine Fastener Kit

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

External primary fastener kit (includes primary cover, clutch cover and 1/4" stainless steel washers)

Manufactured by ARP®