This ARP M8 main bolt kit is made for early cast iron Ford Modular V8 blocks and supplies main cap-side bolts to replace worn or stripped fasteners. The kit provides the appropriate fasteners for restoring proper clamping of the main caps in early cast iron block applications, useful during bottom-end engine service or rebuilds requiring OEM-style replacements.
ARP Ford Modular V8 Main Cap-Side Bolt (Early Cast Iron Block) M8 Main Bolt Kit