ARP Head Bolt Kits | Multiple Buick Fitments (123-3703)

The ARP Head Bolt Kit from ARP's High Performance Series is a set of high-strength fasteners designed for cylinder head applications. Constructed from chromoly steel and finished with a black oxide coating, these bolts are rated at 180,000 psi, making them 15 percent stronger than standard Grade 8 fasteners. The kit features 12-point head fasteners that facilitate easier installation and re-torque procedures without the need for valvetrain removal. These head bolts provide enhanced durability and clamping force, ensuring reliable sealing and performance under high-stress conditions. Their robust construction and precision engineering make them an ideal upgrade for demanding engine builds and performance applications.

Designed for multiple Buick models with specific fitment requirements, these ARP head bolts are suitable for a range of engine configurations. They are intended for use in high-performance or rebuild scenarios where strength and reliability are critical. The bolts are a direct replacement for OEM fasteners, offering a bolt-on upgrade that improves head retention and overall engine integrity. The kit includes washers and is suitable for use in street, track, or off-road applications where maximum fastener strength is essential. Proper installation ensures optimal engine performance and longevity.