ARP Performance Cylinder Head Bolt Kit HEX Chev B/B 396 - 427 454 # 135-3601 Rate_10 Transmission Advertised Horsepower Rating:

Transmission Advertised Horsepower Rating:

Performer RPM Series

They're also designed with three inlet adapter rings for use on 3 in

Port exit size at cylinder head is 1

Holley EFI Digital Dash Standalone Kits

ARP Performance Cylinder Head Bolt Kit HEX Chev B/B 396 - 427 454 # 135-3601 Rate_10 Transmission Advertised Horsepower Rating: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