Height Micrometer For 1.400-1.800 Inch Valve Springs Most 4 and 6 Cylinder Engines Aluminum Natural Proform

Engine Valve Spring Compressor On-Head Direct Mount Fits All GM Cylinder Heads Universal Purple Anodized Aluminum Proform

Height Micrometer For 1.600-2.100 Inch Valve Springs Fits Most V8 Engines Reads in 0.005 Inch Increments Aluminum Black Proform

Digital Valve Spring Pressure Tester On-Head Adjustable Base 0-600LB Range 5LB Increments Proform

Engine Valve Spring Pressure Tester Trackside Analog 0-600LB Range On-Head Rocker Arm Mount Proform