still depends on budget. Last 596 heads I bought were 3 heads for 50 bucks. All had decent valve guides and intake valves. Selling two of them to a guy for 200 ported and new exhaust valves. He'll just have to buy his springs and lap the intakes. So he'll be around 275 into a pair of ported 596 heads with new springs/exhaust valves, umbrella seals. Like I say, no "one size fits all" here.