The Lingenfelter oil cooler adapter is designed to allow the installation of an oil engine oil cooler on GM Gen IV V8 engines including the LS1, LS2, LS3, LS6, LS7. The LPE adapter is machined from a single piece of 6061 aluminum and is then black hard coat anodized for additional durability. The adapter features -10 fitting for the oil inlet/outlets along with a port for the oil temperature sensor and oil feed line. This adapter was specifically designed to reduce oil pressure drop over other designs on the market, retains the factory oil filter location & includes gasket and bolts. Oil exiting the adapter is filtered oil. Oil feed port for accessories is oil returning from the cooler.