WHAT DOES R33 RB26DETT ENGINE FOR SALE MEAN?

k20a2/ k20a3 blocks Is there any key dif. amongst these two. I am conversing just the blocks. As in would a K20a2 block be described as a better choice in sleeving more than the A3? The A3 are so low-cost to return by so I just desired to know.Certainly This is often target dependent as I am self-assured you could possibly very likely make 300whp a