Brand: ARP
Manufacturer's Part Number: 145-3901
Part Type: Cylinder Head Fasteners
Product Line: ARP High Performance Series Cylinder Head Bolt Kits
Automotive Fittings Part Number: ARP-145-3901
UPC: 672036029760
Fastener Style: Bolt
Thread Size: 7/16 in.-20
Undercut Stud: No
Head Style: 12-point
Fastener Material: Chromoly
Fastener Color: Black
Washers Included: Yes
Quantity: Sold as a kit.
Notes: Will also fit Hemi crate engines built after the year 2001.
Description:
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-torqueing cylinder heads.