Cylinder Head Bolt Kit for Chrysler 318-340-360 Wedge with W-2, W-2 Econo heads or Edelbrock RPM hea

Cylinder Head Bolt Kit for Chrysler 318-340-360 Wedge with W-2, W-2 Econo heads or Edelbrock RPM heaHigh 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

premiumgrade aerospace chrome moly steel

so that’s why ARP came up with these super tough bolts

They’re application-specific

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

Studs and bolts come either black oxide chrome moly or polished ARP Stainless

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

and precision J-form threads rolled after heat-treat to create a fastener that has threads 2000% stronger than others

or use the chart on page 25 of thiscatalog for ARP fasteners

you may choose betweenconventional hex style or the space-saving 12-point nuts

Available in both High Performance and Pro Series kits

allowing forslight misalignment

enabling the rotationof an engine with any 1/2