BBF Head Bolt Kit 6pt.

The ARP BBF Head Bolt Kit 6pt (part number 155-3603) is an essential fastening solution for big block Ford engines that require exceptional reliability under high combustion pressures. This kit is designed for serious engine builders and performance mechanics who demand the best from their components.

Constructed from chromoly steel, this head bolt set replaces factory hardware with superior strength and fatigue resistance. The 6-point socket head design prevents rounding, ensuring consistent clamping force and reliable performance across multiple rebuilds. The precise hardness specifications and tolerances guarantee optimal gasket compression and head-to-block sealing.

Engine rebuilders, hot rodders, and forced-induction shops will find this kit invaluable for building big block Ford 429, 460, and derivative platforms. Whether for street or strip applications, this head bolt kit provides the safety margin necessary for high-performance builds.