Valve spring compressor Tool Kit for GMC 4.8 5.3 5.7 6.0 LS1 LS2 LS3 LSX LS. Type: LS Valve spring compressor Tool Kit. This tool kit is for 4.8, 5.3, 5.7, 6.0, and 6.2L LS Engines. Engine Valve Cover Gasket Kit For Chrysler Dodge Jeep Ram 2011-16 3.6L VS50805R.