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.

Set or Single Item: Single Item
Manufacturer Part Number: SM-1000
Brand: LSM Racing Products
Type: Valve Spring Testers