ARP Ford Modular V8 Main Cap-Side Bolt for Late Cast Iron Block (M9 MBK)

This ARP main cap-side bolt is a direct-fit replacement designed to secure the main caps on late cast iron Ford Modular V8 blocks, helping maintain crank alignment and bearing preload under load. Manufactured and identified by ARP part number M9 MBK, the fastener is intended for performance and rebuild applications where correct fitment to the late cast iron block is required.

Features:

• ARP part number M9 MBK
• Main cap-side bolt application
• For late cast iron Ford Modular V8
• Direct-fit replacement bolt