Chief Offshore

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Chief Offshore Building the most reliable power on the water. Engine dyno tuning, rigging shop, full service and storage.

Chief Offshore specializes in the fabrication, sales and service of custom engines, including the Mercury Racing Hi-Performance line. We also focus on the innovation of marine endurance power packages. Our 25,000 total square foot facilities, complete boat rebuilds, re-powering, custom installations, multiple engine installations, custom graphic design, race rigging, and race team support. We also facilitate national and worldwide shipping and international mechanical support.

10/12/2026

🔊Fresh Chief Offshore 502 MPIs going through the "hold it wide open" test!!🏁 Upgraded cylinder heads on these ones.

09/23/2026

🔊Full Pull! Wide Open from bottom to top!!🔊 Built 496 fully tuned and ready to go in the boat! 580HP/640Ft-lbs on 90 octane!

09/20/2026

We offer the best heated storage! Best care, cleanest, climate controlled (heated to 50 degrees, not 33 like others) and electronically monitored! Call Ben for your spot 616-889-2234.

Beautiful 39 Nortech back for service, tested, and ready to go!! Chief Offshore upgraded Mercury Racing 700s with all ou...
09/18/2026

Beautiful 39 Nortech back for service, tested, and ready to go!! Chief Offshore upgraded Mercury Racing 700s with all our cooling system upgrades running strong and still showing a healthy leakdown.

NXT transmission blues Friday!!😡 Fortunately we keep spares in stock so we'll have him back on the water quickly! ...
09/11/2026

NXT transmission blues Friday!!😡 Fortunately we keep spares in stock so we'll have him back on the water quickly!

09/04/2026

Built 496 going through break-in on the dyno. Full Pull video coming...

Donzi just got done fitting new tailpipes, next stop is the dyno then back in the boat!
09/03/2026

Donzi just got done fitting new tailpipes, next stop is the dyno then back in the boat!

Address

16929 148th Avenue
Spring Lake, MI
49456

Opening Hours

Monday 6am - 4:30pm
Tuesday 6am - 4:30pm
Wednesday 6am - 4:30pm
Thursday 6am - 4:30pm

Telephone

(616) 844-1000

Website

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