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The Mishimoto oil cooler adapter for 2004–2006 Pontiac GTO (LS1/LS2 front-sump) provides a flexible starting point for custom oil cooler installations. CNC-machined from 6061 aluminum, the adapter accepts -10AN fittings and includes two 1/8" NPT ports for extra sensors or oil feeds, enabling expanded cooling or monitoring options without altering engine sump configuration. It's intended for builders who need reliable fitment and robust, serviceable components.
Mishimoto 04-06 Pontiac GTO LS1/LS2 Front-Sump Oil Cooler Adapter
