NEW STEP BY STEP MAP FOR EJ20 ENGINE

Browse through the huge choice of latest engine elements that have lately been added to our stock.k20a2/ k20a3 blocks Is there any important dif. concerning both of these. I am talking just the blocks. As in would a K20a2 block be a better option in sleeving around the A3? The A3 are so cheap to come by so I just needed to know.Solid even compressi