Take your Chevrolet Big Block 4-bolt engine to the next level with the ARP Main Bolt Kit, Product Code 135-5201. This high-quality crankshaft kit from ARP is designed to provide superior performance and durability for your engine.

Featuring socket sizes of 9/16 hex, this main bolt kit is easy to install and will securely hold your crankshaft in place, ensuring optimal engine function. Made by the trusted brand ARP, this kit is known for its precision engineering and exceptional quality, making it a top choice for professional racers and engine builders alike.

ARP is a renowned manufacturer with top-of-the-line facilities in Southern California. With a wide range of fasteners available for various applications, ARP has become a go-to brand for high-performance engine parts. Upgrade your engine with the ARP Main Bolt Kit and experience the difference in performance and reliability.