THE BASIC PRINCIPLES OF JDM SUBARU ENGINES EJ20

With the cylinder head It's a correct RBC cylinder head With all the misplaced motion castings set up all set to swap more than rockers and cams from my broken RBB. The engine also came with the RBC VTC equipment. Simply click to grow...k20a2/ k20a3 blocks Is there any major dif. in between both of these. I am chatting just the blocks. As in would