Ajustable on head valve spring pressure tester for various shaft style and stud mount roller rocker systems. Features a 0-600lb gauge. Comes with adjustable shim kit which enables adjustment to within .050 of rocker arm pivot length. Includes set-up and adjustment guide.
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.
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