575 Gen 6 rectangle port cylinder heads
 

1 pair of gen 6 rec port heads, off of 575 mercruiser with less than 60 original hrs. Has severe duty intake and inconel exhaust valves, springs and retainers for stock hydraulic flat tappet camshaft, I also have camshaft and lifters available . Everything in excellent condition, never in salt. 600.00 for everything. 585-978-0391 text me for photos