LSM Racing PC-100 Valve Seat Pressure Tester L205171 Other diameters are also available

Other diameters are also available as a special order

small block Chevy

1985-1994 GMC Safari

1990-1998 Mazda Protege

while the large 3" opening helps when refueling

LSM Racing PC-100 Valve Seat Pressure Tester L205171 Other diameters are also availableAdjustable on head valve spring pressure tester for various shaft style and stud mount roller rocker systems. It 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. LSM Racing Products specialty engine tools ensure maximum performance at the track and in the shop. Product Description: Valve Spring Tester Analog 600 lb Range Sold Individually