ARP Head Bolt Kits | Multiple Chrysler Fitments (145-3901)

The ARP High Performance Series Head Bolt Kit is a durable and reliable fastener solution designed for high-stress engine applications. Constructed from chromoly steel with a black oxide finish, these head bolts are rated at 180,000 psi, making them 15 percent stronger than standard Grade 8 fasteners. The kit features either a reduced wrenching hex head or a 12-point head, which helps eliminate the need for valvetrain removal during re-torqueing procedures. These bolts provide enhanced strength and consistency, ensuring secure cylinder head fastening under demanding conditions. Their design emphasizes durability, precision fitment, and ease of installation, making them suitable for performance engines.

This ARP head bolt kit is compatible with various Chrysler models requiring 7/16 in.-20 threaded fasteners. It is intended for use in engine rebuilds, performance upgrades, or maintenance where high-strength fasteners are essential. The kit includes washers and is suitable for street, track, or off-road applications, offering a direct replacement for OEM bolts. Installation involves standard bolt tightening procedures, and the kit is designed to provide a secure, long-lasting hold for cylinder heads in high-performance engines. Proper torque specifications should be followed for optimal results.