5/16-18 x 1.625 Stud

The 5/16-18 x 1.625 Stud from ARP is a precision-engineered fastener designed for demanding automotive applications where reliability and consistent clamping force are essential. This stud is ideal for assembling high-performance engines, securing drivetrain components, or upgrading suspension systems, providing the dependability that distinguishes professional builds from amateur work.

Manufactured from premium alloy steel and heat-treated to exacting specifications, this stud ensures consistent yield strength and minimal relaxation under extreme conditions. With a 5/16-inch diameter and 18 threads-per-inch pitch, it delivers a 1.625-inch grip length that is perfect for applications requiring precise stack-up tolerances. The engineering of ARP fasteners eliminates guesswork from torque specifications, allowing for exact preload values critical in engine and transmission builds.

Engine builders, transmission specialists, and automotive enthusiasts will benefit from the reliability and performance of this stud. Its design is compatible with standard 1/2-inch socket wrenches, making it a versatile choice for various applications. When precision and strength are paramount, the ARP 5/16-18 x 1.625 Stud is the go-to fastener for serious automotive work.