LSM Racing Products Valve Spring Pressure Testers

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Adjustable on-head valve spring pressure tester. Works great on shaft rockers, offset rockers and stud mount applications. Includes a 0-600lb gauge, adjustable shim kit which enables adjustment to within .050" of rocker arm pivot length and a set-up and adjustment guide.
Made in the USA.

621-PC-100SLC features a slant or straight handle option with spin-off convertible extension. Has complete adjustability of the standard 621-PC-100 with the benefit of multiple handle configurations for engine compartment constraints. The most versatile spring tester available.
Made in the USA.