Engine Valve Spring Compressor On-Head Direct Mount Fits All GM Cylinder Heads Universal Purple Anodized Aluminum Proform Ignition Coil Mounting Bracket and each PROFORM micrometer comes

and each PROFORM micrometer comes in a handy and durable carrying case

then take it out and measure

Please note that the push rod hole may require additional clearance

5in with a 1

Remove valve spring from an assembled engine for checking or replacing quickly and easily

Engine Valve Spring Compressor On-Head Direct Mount Fits All GM Cylinder Heads Universal Purple Anodized Aluminum Proform Ignition Coil Mounting Bracket and each PROFORM micrometer comesThis billet aluminum LS valve spring compressor is universal, compact, activated with normal hand tools, and takes up almost no space in your toolbox. It will cut valve spring removal and replacement time to around 1 hour. And, it is guaranteed to get the job done as easy, if not easier, than expensive compression tools. Quick tip: Instead of stuffing rope through the spark plug hole to prevent your valve from falling, use the Proform Air Hold Adapter