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cheap insurance to replace the aging sodium filled stock exhaust valves
Constructed from Stainless 304SS with fully purged weld joints with a 1020 head flange for longevity
If you are running more than 400whp choose our speed density option instead
The finest monster-sized fuel injectors available on the market
The XtremeX is a great choice for professional level motorsport or more demanding road car applications
Audi 7A to AAN cylinder head machining service link ecu cheap insurance to replace theAs 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
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