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swap ej20 heads to ej25 heads

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They'll bolt on....however I can't tell you whether the intake manifold will have some issues aligning properly, or if the coolant passages and other stuff will be exactly the same.


Also....the turbo heads will have a line for oil to feed the turbo...the n/a heads won't.


I'd probably pass on swapping.


Why are you looking to do this?

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