These dowels allow you to mount an N54 manifold onto your N52 to benefit from its performance advantages. As we all know the n52 and n54 are spaced the same but the bolts are not. These spacers/dowels allow the fitment. Please note you may need map changes or adjustment after fitting. There are 7 dowels in the manifold but you only Require 6, the centre dowel is smaller and not required. Had the nephew knock these up for me as he’s rather sharp on fusion360. Kit includes 6 dowels Thanks Paul
