ARP Chevrolet, Small Block 18° hi-port with undercut bolts – SB Chevy V8 w/18 Deg hi-port 12pt undercut head bolt kit (234-3720) Wiper Accessories Manufacturer's Part Number: 524054155

Manufacturer's Part Number: 524054155

Silver Dial

Manufacturer's Part Number: MB5227XP STDX

Stealth Ride Part Number: RDM-20-0377-FLPlease note: This is a special order item by Stealth Ride

Part Number: AF2711-2590

ARP Chevrolet, Small Block 18° hi-port with undercut bolts – SB Chevy V8 w/18 Deg hi-port 12pt undercut head bolt kit (234-3720) Wiper Accessories Manufacturer's Part Number: 524054155ARP SB Chevy V8 w 18? hi port 12pt undercut head bolt kit (234 3720) ARP Pro Series Cylinder Head Bolt Kits 234 3720 The Pro Series cylinder head bolts from ARP are cold forged to ensure molecular integrity. They are heat treated prior to thread rolling and machining, and are rated at a whopping 190,000 psi. The Pro Series are also available with hex and 12 point heads. All kits come complete with hardened parallel washers for even load distribution