The ARP SAE Bolt Kit 1/4-20 x 3.250 is a high-quality product designed to meet the needs of automotive enthusiasts and professionals alike. With a product code of 640-3250 and brand name ARP, you can trust that this bolt kit is made to the highest standards of quality and precision.

This SAE Bolt Kit features 12pt black oxide bolts with a socket size of 5/16 and a UHL (Under Head Length) of 3.250 inches. The thread length is 1.000 inches, grip length is 2.250 inches, and the thread diameter-pitch is 1/4-20. With a grip diameter of 1/4 inch, wrenching size of 5/16 inches, head height of 0.255 inches, and collar diameter of 0.515 inches, this bolt kit is designed to provide a secure and reliable fastening solution.

When you choose ARP, you are choosing a brand that is known for its commitment to quality and innovation. With manufacturing facilities in Southern California, ARP produces a wide range of fasteners for engine, driveline, suspension, and frame applications. Whether you are working on a street car or a high-performance racing vehicle, you can trust ARP to provide the high-quality fasteners you need to get the job done right.