Whether you're chasing a record time or carving wakes on a weekend cruise, Sterling Engines delivers the marine power you can count on. For decades, we've delivered everything from high-octane racing engines to dependable recreational boat setups, every engine designed for thrilling performance, long-term reliability, and pure enjoyment on the water.
With nearly 40 years of race-proven excellence, Sterling Engines is trusted by championship teams and discerning boat owners alike.
We partner with the industry's top boat builders to engineer custom engine packages that break records and turn heads on the podium or at the poker run.
Hand-built, hand-tuned, hand-tested. Every detail accounted for from the dry sump to the dyno cell.
Naturally Aspirated · SuperCharged · TurboCharged · Fuel Injected. Each configuration built and tuned for its discipline.
Top-end refreshes through ground-up rebuilds for everything from cabin cruisers to championship race hulls.
Show-quality finishes paired with championship-grade calibration. Build it your way, and beat the field doing it.
Every Sterling engine is run, monitored, and certified on the dyno before it ever leaves Milford.
Greater than what other builders forget. We hand-pick every component and discard anything that doesn't earn its place.
Unlike builders who rely on out-of-the-box parts, we hand-select and fine-tune every component for power and durability. Every engine, race or recreational, is dyno-tested, broken in, and ready to run. With Sterling, you get exactly the horsepower we promise, no surprises.
Whether you're chasing a title or a personal best, the number on the dyno sheet is the number you take to the water.
Get startedSterling Engines is known for building champions, but we also service everyday engines with the same level of care and precision.
We proudly supply engines for installations and record-setting boats for Skater, MTI, Fountain Performance, Donzi, Cigarette, Outer Limits, Sonic, Nortech, and more.
Whether it's a stock refresh or a full-blown custom job, we treat every engine like it's built to win.
Powered by Mercury 525, Volvo, or Crusader engines, refined for long-haul comfort and reliability.
Chris-Craft, Riva, Donzi, Hacker-Craft: modern reliability inside a timeless silhouette.
Naturally aspirated, supercharged, or turbocharged. The full range of Sterling configurations engineered for hull, water, and weather.
We build custom marine engine packages and rebuilds across the most-raced and most-trusted platforms, including the Mercury 525, Volvo, and Crusader for cabin cruisers, plus custom-spec race engines up to Class 1 level. From top-end refreshes to ground-up rebuilds, we handle everything from cabin cruisers and classic boats to championship race hulls. Hand-built and hand-tuned in Milford, MI since 1987.
Yes. We build to win, and tune for fun. The same race-proven, record-setting precision that powers our offshore and Class 1 race engines goes into every cabin cruiser, classic boat, and poker run package we ship. Sterling is known for building champions, but we service everyday engines with the exact same care, whether it's a stock refresh or a full-blown custom job.
We proudly supply engines for installations and record-setting boats from Skater, MTI, Fountain Performance, Donzi, Cigarette, Outer Limits, Sonic, and Nortech, among others. We also build for classic and cruising hulls such as Chris-Craft, Riva, Donzi, and Hacker-Craft. We partner with the industry's top boat builders to engineer custom packages that break records and turn heads.
Yes, all three. Sterling builds naturally aspirated, supercharged, and turbocharged marine engines, all available fuel injected, with each configuration built and tuned for its specific discipline, hull, water, and weather. Unlike builders who rely on out-of-the-box parts, we hand-select and fine-tune every component for power and durability. Tell us your power target during a free consultation and we will spec the right setup for your boat.
Yes. Every Sterling engine, race or recreational, is run, monitored, broken in, and certified on the dyno before it ever leaves Milford. You get exactly the horsepower we promise, no surprises. The number on the dyno sheet is the number you take to the track or the water.
Custom builds start with a conversation. Reach out for a free consultation to talk through marine packages, power targets, and timeline, and we will guide you from spec to install. Call (248) 684-5040, email info@sterlingengines.com, or get started at our contact page. We're racers building for racers, so you get real support from the build floor to the water.
Talk to our team about marine packages, power targets, and timeline. Custom builds start with a conversation.
