All LSM products are proudly manufactured in the United States of America at our facility in Rocklin, CA.

Complete valve train management solutions! Step up to LSM Racing Products today! We specialize in innovative specialty tools that ensure maximum performance at the track and in the shop. Please browse our site to learn more about our line of high performance valvetrain products which include:

On-head valve spring testers On-head valve spring compressors Portable bench-top valve spring testers Valve lash adjusting torque wrenches Bilet dual feeler guage holders Specialty Quadra-Jet products