Cam Type Operation. Jaws are adjustable for various size Valve Springs.
Mini Valve Spring Tester,300 lb Valve Spring Pressure Guage Tool 5 lb Increments
66835Universal Mini Valve Spring Tester for 0-300LB/ 5LB Increments Valve Spring
66835 Mini Valve Spring Tester Universal Range 0- 300 PSI/5LB Valve Spring
66835 Valve Spring Pressure Tester 0-300 psi, Mini Valve Spring Testing Machine
66835 Mini Valve Spring Tester, 300 lb Valve Spring Pressure Guage Tool
