1.580 Spring Seat Cutter Cuts Guide .630

The 1.580 Spring Seat Cutter from COMP CAMS is a precision machine tool designed for serious cylinder head work and high-performance engine builds. This tool is essential for mechanics and engine builders who demand accuracy when resurfacing spring seats to exacting OEM or custom specifications.

Featuring a 1.580-inch cutting diameter and a .630-inch guide diameter, this spring seat cutter is engineered to deliver professional-grade results. The precision-ground cutting edges ensure clean, repeatable cuts without chatter or deflection, which is critical for establishing the correct seat width and concentricity around the valve.

Engine builders and cylinder head specialists benefit most from owning this cutter, particularly when working on Chevrolet small-block, big-block, and LS platforms, as well as Ford and Mopar applications where 1.580-inch spring seats are common. Its compact design and lightweight nature make it easy to handle and position accurately in the head.