Cylinder Head Bolt Kit for Chevrolet Mark V or Mark VI block with late Bowtie, Dart aluminum, AFR &

Cylinder Head Bolt Kit for Chevrolet Mark V or Mark VI block with late Bowtie, Dart aluminum, AFR &High Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel ground washers. Material: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

12-point head design and larger than stock shank diameter for increased strength andimproved flywheel register

These fasteners play a key role in both the performance and safetyof a vehicle

the compact 12-point inut lets you easily slip a socket close to the pipe

It is for good reason that virtually every top professional enginebuilder relies on ARP Pro Series head studs for their all-out competitionpowerplants

Far superior to OEM fasteners

They’re application-specific

000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel-ground washers

Specially drilled “NASCAR” models are available for those who wish to safety wire their header bolts to prevent loosening

ARP studs are thread rolled after heat-treat

12-point head design and larger than stock shank diameter for increased strength and improved flywheel register

Not to be usedwith OEM-style

000 psi forthe 8740 material and 220