The ARP Main Stud Kit, product code 201-5000, is specifically designed to suit BMW 2.5L (M50), 2.8L (M52), and 3.2L (S52US) inline 6 engines. This high-quality kit includes main studs with socket sizes of 12mm 12pt and 4mm Allen, ensuring a secure and reliable fit for your engine. When it comes to performance and durability, ARP is a brand you can trust.

ARP is a well-established manufacturer with a strong presence in Southern California, boasting over 200,000 square feet of operational facilities. Their expertise and dedication to quality are evident in every product they produce, including the Main Stud Kit. With a product line that covers a wide range of fastener solutions for engines, drivelines, suspension, and frames, ARP has become a go-to choice for professionals and enthusiasts alike.

Whether you're looking for OEM replacement parts or high-performance specialty hardware, ARP has you covered. From top-tier racing applications like Formula 1, IndyCar, NASCAR, and NHRA drag racing to marine applications, ARP's Main Stud Kit delivers the strength and reliability you need to keep your BMW engine running smoothly. Trust ARP for all your fastener needs and experience the difference in quality and performance.