ARP 135-3601 Head Bolt Kit
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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.