ARP 135-3601 Head Bolt Kit

135-3601 ARP Fasteners Cylinder Head Bolt Set For Use With Chevy Big

• Fits 396, 402, 427 and 454 Cast iron OEM blocks
• All High Performance Series bolts are rated to 180,000 psi
• Kits come complete with hardened parallel-ground washers
• Available with a reduced wrenching hex or 6-point and wide area flanged head
• 15% stronger than Grade 8 bolts

High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates the need 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.