LSM Racing Products

LSM Racing Products is a trusted manufacturer of professional engine assembly and maintenance tools for racers, engine builders, and performance shops. With roots in precision machining and motorsports, LSM designs and manufactures specialized tools for valvetrain service, engine assembly, and routine maintenance, including valve spring compressors, pressure testers, and related engine-building equipment. Their products are designed and made in the USA at Rocklin, CA. We personally use and endorse their tools in our own racing program.