I have a brand new BARE ( NO VALVES, SPRINGS, ETC ) RB20 turbo head.
$300 Pick up in Sydney at the foot of the Blue Mountains.
Contact via PM
Also have a Rb20 Red Top Turbo head and a almost complete RB20 Turbo Silver Top, top end to complete the above.
$200 for both.
Heres some pics of the new head: