LSM Racing Products SM-1000 Bench Top Valve Spring Tester

LSM Racing Products SM-1000 - LSM Racing Bench Top Valve Spring Tester. These LSM Racing bench top valve spring testers are fast and easy-to-use precision bench-to-valve spring testers. Just bring the spring to the installed height, lock down the precision stop, and check a box of springs quickly, easily, and with precision accuracy.

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