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If you're upgrading your C5 or C6 Corvette's engine from an LS1 or LS2 to an LS3 intake and MAP sensor, you're going to need this little harness.
It's a simple, plug-and-play adapter that allows you to use the newer LS3-style manifold absolute pressure (MAP) sensor with your older ECM harness.
It's a direct replacement part (part number MAP0003-24-1) that makes the conversion clean and easy.

No splicing or cutting required.

It comes with a 90-day warranty and is a must-have for a smooth engine swap or upgrade project.


4.5 out of 5