Enhance the performance and durability of your Buick V6 engine with the ARP Main Bolt Kit. This high-quality kit, with the product code 123-5201, includes main bolts with socket sizes of 1/2 hex and 9/16 hex to ensure a secure and reliable fit for your engine.

ARP is a trusted brand known for its top-notch manufacturing facilities and extensive product line. With seven operational entities in Southern California, ARP has the capacity to provide superior products like the Main Bolt Kit for a wide range of applications. From forging to heat-treating to machining, ARP ensures that every part is crafted with precision and expertise.

Whether you are a professional racer or an enthusiast looking to upgrade your engine, the ARP Main Bolt Kit is a must-have addition to your arsenal. With thousands of part numbers available, ARP offers high performance OEM replacement parts as well as specialty hardware for various racing and marine applications. Trust ARP to deliver the quality and reliability you need for your engine components.