Brand new Proform ls valve spring tool #67605 FITS LS1/LS6 $65 SHIPPED "WILL NOT FIT L92 HEADS" This new LS1-LS6 valve spring compression tool from Proform Parts is the perfect example. It isn't fancy, but can cut valve spring removal and replacement time to under 1-hour. It will work on any LS engine in a Camaro, Firebird, Corvette or truck. And, it’s guaranteed to get the job done as easy, if not easier, than expensive compression tools. This LS valve spring compressor is compact, is activated with normal hand tools and takes up almost no space in your toolbox.