Olds Main Bolt Kit - Fits 350 2-Bolt

The ARP Oldsmobile Main Bolt Kit for 350 2-Bolt applications (MPN 184-5001) is a high-performance fastening solution designed specifically for V8 engine builders and performance machine shops. This kit is essential for those looking to enhance the durability and reliability of their Oldsmobile 350 engines.

Constructed from proprietary chromoly steel with a black oxide finish, this main bolt kit ensures consistent clamping force and material integrity. The hex head design allows for precise torque application, which is critical for maintaining block torque under high-RPM and boost conditions. Each fastener is manufactured with tension-control techniques to minimize batch variance, making it suitable for high-performance applications.

Engine builders, machine shops, and vintage performance enthusiasts can rely on this kit to upgrade from OEM fasteners that may fail under dynamic loading. It effectively addresses the known weaknesses in early 2-bolt main designs, allowing for increased safe displacement and boost potential. This makes it a trusted choice for those working with Oldsmobile 350 platforms.