Z-port mercury powerheads for sale

[Seattleoutboard]

1 Mercury (custom Z port) 2.5 powerhead for sale. 2 ring top pin pistons, balanced crankshaft and rods. 5 hrs + dyno time. 365hp w/30cc heads, 343 w/38cc heads. excellent running engines. $7000/obo Allen 206 650 0583.

[Edited by Seattleoutboard on 07-06-2001 at 02:08 PM]

[2.5-21]

what rpm does the motor need to see to get that hp? how many hours on it?