900sc/1100s merc racing engines
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From: sandown, nh
Fully updated 900 SC’s with 4.5 L Whipple’s/MOACs and MEFI4b
Full engine tuning completed by Mark Boos. Built with parts second to none to to handle 2000hp
pump gas low boost reliable With only 60 hrs
588” with Teague LS1 firing order, callies crank/rods, JE coated pistons, Brodix heads and complete jessel timing components/valvetrain. all new Merc racing alternators and starters and dual stage stainless sea pumps. Fresh powdercoated accessory brackets. These are drop in ready. $70k. For the pair. Turn key no stories other than the owner is no longer able to BOAT. Calls/text only 978–490–5281. 1020tg 1075hp.
Full engine tuning completed by Mark Boos. Built with parts second to none to to handle 2000hp
pump gas low boost reliable With only 60 hrs
588” with Teague LS1 firing order, callies crank/rods, JE coated pistons, Brodix heads and complete jessel timing components/valvetrain. all new Merc racing alternators and starters and dual stage stainless sea pumps. Fresh powdercoated accessory brackets. These are drop in ready. $70k. For the pair. Turn key no stories other than the owner is no longer able to BOAT. Calls/text only 978–490–5281. 1020tg 1075hp.
Last edited by prostockcat; 03-15-2026 at 05:13 PM.



