ARP Performance Cylinder Head Bolt Kit HEX Chev B/B 396 – 427 454 # 135-3601
Cylinder Head Bolts, High Performance, Hex Head, Chevy, Big Block, Kit
Fastener Style:Bolt
Undercut Stud:No
Head Style:Hex
Fastener Material:Chromoly
Fastener Finish:Black oxide
Washers Included:Yes
Quantity:Sold as a kit.
Notes:Designed to fit cast iron factory-style cylinder heads.
ARP High Performance series head bolt kits are tough. They are rated at 180,000 psi–15 percent stronger than Grade 8 fasteners. They come available with a reduced wrenching hex head or 12-point head that help eliminate the need for valvetrain removal when re-torquing cylinder heads.