FITMENT: 1997-2004 C5 Corvette| 2005-2013 C6 Corvette | 2014-2019 C7 Corvettes | 2004-2006 Cadillac CTS-V |1998-2002 LS1 Camaro and Firebird |1999-2007 4.8,5.3,6.0&6.2L GM CK trucks (Note:does NOT fit 2004-2006 Pontiac GTO). COMPATIBLE WITH: Works on GM LS1 / LS2 / LS3 / LS6 / LS7 / LS9 Gen IV Engines. FUNCTION: Used to install an oil engine cooler. Helps to reduce oil pressure drop while retaining the factory oil filter location and does include the gasket and bolts for installation.The oil exiting the adapter is filtered oil and the oil feed port for accessories is oil returning from the cooler. HIGH QUALITY: .