LSM Racing products, LSM SM-600 and LSM SM-1000 valve spring testers, for checking or testing racing valve spring pressure.
Two models for use in the shop or take to the races. 600 and 1000 lb. gauges, 160# gauge available on special order for lighter springs.
Precision bench top valve spring tester, works fast and is easy to use. A quality tool at a good price.
Bring the spring to installed height, lock down the precision stop and quickly check a box of valve springs.
Made by Logan Smith Machine in the USA, rugged and portable.
SM600 for 600# valve springs
SM1000 for 1000# valve springs