Other Inboard | Ilmor Marine

Expect the Best of the Best.

Ilmor Inboard Marine engines bring Indy‑winning engineering and proven performance to premium recreational boats. Built to the same uncompromising standards as Ilmor’s championship race engines, this powertrain lineup is designed to complement high-quality hulls with reliability, refinement, and consistent performance.

Available in 5.3L and 6.2L configurations, Ilmor Inboard Marine engines support both freshwater and saltwater applications through the Ocean Performance Series, giving manufacturers flexibility across models and markets.

With durability-focused engineering and service-friendly design, Ilmor engines reduce downtime and ownership friction—enhancing the overall ownership experience while protecting your brand’s reputation on the water.

FEATURES

Uniquely Designed Cast Iron, Catalyst Equipped & Thermostatically-Controlled Exhaust Manifolds
Front Accessory Drive (with "true" serpentine auto-tensioning belt)
Advanced Engine Protection (over temperature protection mode, knock detection with auto-protect & soft rev limiter)
Multi-Port Sequential Fuel Injection (for improved fuel distribution & improved engine air intake, maximizing engine performance & fuel economy)
Common Remote-Mount Thermostat Cooling System (with belt-driven raw water pump offering reduced exhaust condensation & increased pump durability)
Super Ultra Low Emissions (which meets EPA, CARB, & EU emissions regulations)

Designed With You in Mind

With a high-mount alternator and starter motor, and a conveniently positioned remote-mount oil filter with courtesy tray, our Inboard Marine engines are easy to service. Our custom electronics wiring harness is designed to minimize excess wiring and make it easy to identify connections. Use of an ePDM (Electronic Power Distribution Module) system eliminates the need for caring fuses and helps ensure a great day of boating by making the reset of a blown circuit simple and intuitive.

Service & Warranty

Ilmor Inboard Marine engines come standard with a limited warranty. For all Inboard marine service questions, contact your authorized dealer or Ilmor Marine, LLC at 844.GO.ILMOR (844-464-5667) or view warranty details