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New 7.4L Complete Inboard Engine Package
Model: S454S Our complete engines are ideal for full repower of the weekend cruiser or family ski boat.  Our complete engines are manufactured by Marine Power and held to the same quality standards as their OEM (original equipment manufacturer) products.  The complete engine leaves you with the peace of mind of all new parts when cruising the water.  Although hard to exactly match every prior engine application, our Marine Power complete engines are designed and engineered to match other manufacturer’s applications closely to reduce labor and modifications during installation.  Our complete engines have options choices to match or upgrade from your current engine. 

This product ships via Freight Shipping

Includes Specifications Related Parts Return Policy  
  • 7.4L (454 C.I.D) Pre-Vortec base engine
  • Cast iron 4 barrel intake manifold
  • Holley 4175 Marine carburetor (650 CFM)
  • Electric fuel pump kit
  • 14" flywheel
  • Marine Power MP2K aluminum performance manifolds (Inboard application)
  • 95 amp alternatore
  • High torque starter
  • Fuel water seperator
  • Engine wire harness with Universal 10 pin plug
  • Flame arrestor and weather cover
  • Corrosion resistant urethane paint

Displacement 454 C.I.D. / 7.4L
Cylinders 90 Degree V8 cylinder
Compression Ratio 8.6:1
Valve config. Overhead valves (2 valves per cylinder)
Valve lifters Hydraulic roller
Firing order 1-8-4-3-6-5-7-2
Oil pan capacity 8 quarts (with filter)
Warranty 2 year limited (Commercial 90 day)


For items received as described, a refund of the final invoice price (minus shipping and handling charges and a 15% restocking fee) will be issued. Buyer is responsible for return shipping costs and for sufficiently packing and insuring returned items unless otherwise agreed upon. Refunds will not be issued for damaged merchandise. All returns must be made within 15 days of delivery to you. No refunds for electronic parts if box is opened. All returns must have a RMA # and invoice #. 15% restocking fee on any complete engine.

Please email info@marineenginedepot.com for a RMA #

Returns must be shipped to: Marine Engine Depot17506 MPH Industrial ParkPonchatoula, LA 70454

If parts arrive damaged in shipment, it is the customers responsibility to notify the carrier immediately and reject the damaged package. Contact Marine Engine Depot for potential freight damage. A claim will be filed and we will send out the identical part.