ARP Head Bolt Kits | Multiple Buick Fitments (420-3601)

The ARP Head Bolt Kit for multiple Buick applications is a high-performance fastener set designed to secure cylinder heads effectively. Crafted with precision centerless-ground and thread-rolled construction to meet Mil-S-8879 specifications, these bolts ensure optimal strength and reliability under demanding conditions. The black oxide finish provides excellent wear and corrosion resistance, extending the lifespan of the hardware. ARP includes hardened parallel washers to promote uniform load distribution and accurate torque readings, enhancing overall engine integrity. These high-quality head bolts are engineered to deliver consistent clamping force, reducing the risk of head gasket failure and ensuring proper cylinder sealing during operation.

Designed for various Buick models, these head bolt kits are suitable for engines requiring a bolt fastener style. They are intended for use in performance applications where secure cylinder head mounting is critical, whether on street or track vehicles. Installation involves replacing the original hardware with these bolt sets, which are recommended for specific year, make, and engine configurations. The kit typically includes the bolts and washers necessary for a complete upgrade. Proper fitment and torque specifications should be followed to maximize engine performance and durability in high-stress driving environments.