Originally Posted by shuless

Just curious about this buggy . Starting with the 600004, then to the 600012 what are the differences. I know that the 600004 has the front mount rear shocks and narrow rear end the 600012 goes to the rear mount with the wider rear end.What would it take to get the 600004 up to the 600012? I currently have a new 600004 and just got the full rear upgrade. What else is different.I've read and read descriptions and aside from just getting the full rear upgrade what else would I need?