4AGE 20V TURBO ENGINE FOR SALE THINGS TO KNOW BEFORE YOU BUY

k20a2/ k20a3 blocks Is there any major dif. among these two. I'm talking just the blocks. As in would a K20a2 block be considered a better choice in sleeving more than the A3? The A3 are so inexpensive to come by so I just planned to know.Honestly glad They're local so I can certainly return For additional elements when required. cannot say plenty