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8.1L Vortec Base Marine Engine (2000-2010 Replacement) 375 HP

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New GM base marine engine (standard rotation)

Engine includes: engine block, 8.1L Vortec cylinder heads, flat top hypereutectic cast aluminum pistons, forged steel connecting rods, valve covers with eight ignition coils, PFI intake manifold, cast aluminum 8-quart marine oil pan, 2-bolt flanged external water crossover, nodular iron crankshaft, high-torque marine cam shaft, circulation pump, harmonic balancer, roller cam & hydraulic roller lifters, 14" I/O flywheel, platinum tipped spark plugs, corrosion resistant black urethane paint and all internal parts.

One-piece rear main seal (also known as full rear main seal)

Direct replacement for 2000 thru 2010 8.1L Volvo Penta, MerCruiser, Indmar, Marine Power, etc.

Rated at 375 hp @ 4600 rpm / 490 lb-ft @ 3200 rpm (Horsepower and torque numbers are based on GM dynamometer testing of the factory-installed PFI intake manifold. Actual power levels may vary depending on OEM calibration and application)

Standard rotation only

Email sales@michiganmotorz.com or call (248) 524-9600 to place your order or for a shipping quote.

We ship parts and engines worldwide! Parts orders placed before 12:00pm EST will normally be shipped same day (if the item is in stock). If you need your parts ASAP, UPS next day air, second day air, etc., are also available (Deadline is 3pm Eastern Time). Engine orders will be processed and shipped within 24-48 hours after payment-in-full is received. For special engine orders, shipping time is based on current stock and build time.

Items under 75 pounds are sent via UPS in continental USA. Items sent overseas are sent via USPS or UPS Worldwide Expedited, or air freight (depending on item weight). UPS cannot ship to PO Boxes.

Engine Shipping

For a shipping quote, please email sales@michiganmotorz.com or call (248) 524-9600 with your shipping address and contact information. We use different freight carriers to find you the lowest price AND safest delivery. Some of the freight carriers we use are: Con-Way Freight, Estes Express, Pilot Air, USF Holland, Forward Air, Roadway Express, Old Dominion, Overnight express, Watkins, and Dayton Freight. Engines can be picked up at a local shipping terminal or dropped off at your location* (*certain restrictions apply). Engines are packed in specially designed crates made for that engine.

All oil & lubricating fluids are drained before they are sent out (this is required by our freight carriers). All engines & parts are packed by our shipping department. Engines are then inspected by our shipping manager before they are loaded onto a freight carrier.

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 call or email for a RMA #.

Returns must be shipped to:
Michigan Motorz
1800 Austin Drive
Troy MI, 48083

If parts arrive damaged in shipment, it is the customers responsibility to notify the carrier immediately and reject the damaged package. Contact Michigan Motorz of the potential damage. A claim will be filed and we will send out the identical part. If parts are damaged in shipment and the customer does not notice damage, please call Michigan Motorz LLC.