Indmar Marine Engine
Hammerhead 383 - 340-hp
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Indmar Marine Engine Hammerhead 383 - 340-hp Indmar Marine Engine Hammerhead 383 - 340-hp
Inmar is a proven leader in the advancement of inboard power technology. Inmar sets the pace!

Key Features

  • Certified: 4-Stars Super Ultra-Low Emission by California Air Resources Board 2007.
  • Stainless steel valves and retainers are specified for reliable performance at extended RPMs.
  • The Hammerhead 383 has as a standard feature Precision Pro Speed Control©.
  • FastBurn aluminum heads to provide excellent air handling and combustion characteristics along with 9.7:1 compression.
  • ETX/CAT (Extreme Tuned Exhaust with Catalyst). The most dramatic achievement for boater safety is ETX/CAT's substantial reduction of Carbon Monoxide (


Indmar Marine Engine Hammerhead 383 - 340-hp (Inboard) Specifications
Fuel Type Gasoline
Horsepower 340-hp
Warranty 3 Years
Displacement (cu/cc) 383.00 cu / 6,276.25 cc
Number of Cylinders 8 Cylinders
Configuration V8
Fuel Delivery Fuel Injected
Full Throttle RPM 5200

Photo Gallery

Engine Image

Hammerhead 383 - 340hp



Boats Tested with this Indmar Marine Engine Hammerhead 383 - 340-hp
Malibu Wakesetter 23 LSV Malibu Wakesetter 23 LSV