kfze is a slightly larger version of the k8 found in mx3s, its a 2.0 V6, not a 4cyl, and if you are going to go thru the trouble of swapping a V6 and spending the $$, go KLDE or KLZE, i dont see the swap being practical whatsoever, plus, who wants to brag about their 2.0 V6 lol