1 – ENGINETECH CYLINDER HEAD GASKET SET FOR GM 4.8 5.3 GENIII ENGINES. APPLICATIONS: 4.8 AND 5.3 GM GEN III AND GEN IV ENGINES 4.8 2001 – 2001 WITH TOP HAT VALVE SEALS AND MLS HEAD GASKETS 4.8 2002 – 2008 LIGHT TRUCKS 5.3 2001 – 2001 WITH TOP HAT VALVE SEALS AND MLS HEAD GASKETS 5.3 2002 – 2009 LIGHT TRUCKS 5.3 2010 – 2014 LIGHT TRUCKS VIN 0,3,7.