Audi 7A to AAN cylinder head machining service link ecu The XtremeX is a great

The XtremeX is a great choice for professional level motorsport or more demanding road car applications

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The upper radiator hose on the UrS4 / UrS6 is known to fail at the tee where the hoses are molded together for the connection to the expansion tank

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Audi 7A to AAN cylinder head machining service link ecu The XtremeX is a greatAs the supply of good condition AAN cylinder heads dwindles we took it upon ourselves to setup tooling to convert mostly crack free 7a cylinders heads to be fully AAN compatible. To that end we add the additional exhaust manifold studs, machine the water manifold ports and add the cam sensor provision to the front of the cylinder head. All heads are pressure tested washed and surfaced after machining. This is a core exchange process using your 7a