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    Manufacturer: Marine Power

    New 5.7L GM Marine Long Block Engine

    $2,867.00
    This is a brand new General Motors marine base engine. This 5.7L Marine engine is built strictly for marine use on GM production lines. The 5.7L L31 is the premier industrial workhorse, providing the power needed to get the job done without sacrificing fuel efficiency or durability.
    SKU: 881571
    *

    Our GM Marine long blocks are ideal for replacing an engine when the component parts are still good. Why replace it if it is not broken? However, we do recommend replacing warn out components.

    All engines, unless clearly stated, are authentic General Motors Marine engines. Our authentic GM marine engines are built on GM production lines for marine applications. Don't be mislead by others who can't claim GM authenticity unless you are satisfied with an imitation.

    This engine comes equipped with Flywheel set up for Inboard/outboard bottom mount starter application (ring gear towards front of engine). We Do Not Change the Ring Gear.

    This Genuine GM engine comes with spark plugs that are used for fuel injected applications.  You must change the plugs to a GM 05614210 (Marine Engine Depot # 479104) if used for a carbureted application. 

     Includes:

    • Vortec Engine with High Flow Cylinder Heads
    • Circulating Water Pump
    • 14" Flywheel
    • Harmonic Balancer
    • Valve Covers
    • Spark Plugs
    Products specifications
    Displacement 350 C.I.D. (5736 CC) / 5.7L
    Cylinder Head Cast Iron
    Cylinders 90 Degree 8-Cylinder
    Engine Orientation Longitudinal
    Compression Ratio 9.4:1
    Valve Configuration Overhead Valves (2 valves per cylinder)
    Valve Lifters Hydraulic Roller
    Firing Order 1 – 8 – 4 – 3 – 6 – 5 – 7 – 2
    Bore x Stroke 4.00" x 3.48" (101.60 x 88.39 mm)
    Fuel Type LP & CNG
    Ignition Not Included
    Horsepower 216 hp (161 kW) @ 4000 rpm (LP) / 196 hp (146 kW) @ 4000 rpm (CNG)
    Flywheel Diameter 14" (Ring Gear Towards Engine)
    Torque 308 lb-ft (418 Nm) @ 1400 rpm (LP) / 283 lb-ft (384 Nm) @ 1600 rpm (CNG)
    Oil Pan Capacity 5.5 Quarts (with filter)
    Emission Controls Positive Crankcase Ventilation
    Block Cast Iron GM232-M
    Main Bearing Caps Cast iron GM232-M
    Crankshaft Nodular Iron
    Camshaft 5150 Steel Billet
    Connecting Rods Forged - SAE 1141
    Warranty 1 Year Limited (Commercial 90 day)
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    Standard Shipments

    We ship orders under 100lbs by UPS or USPS. Expedited shipping services (Next Day Air, Priority Mail, etc.) can be selected during the checkout process. Shipping estimates can be obtained from the shopping cart page before checkout. All expedited orders must be placed before 11:00 A.M. CST to gurantee same day shipping. International orders under 75lbs will ship by UPS. 

     

    Engine/Freight Shipments

    Standard engine shipment quotes are available from the check out page. Customers may contact MED to set up special shipping instructions if necessary. Make sure to check lift gate service or residential delivery if needed. MED will add appropriate charges if services are needed and not billed on original invoice. Engine orders will be processed and shipped within 48 hours if stock is available. Although Marine Engine Depot tries to keep stock of all engines, standard lead time on engines when stock is not available is three weeks.

      WARNING: This product can expose you to chemicals including Gasoline engine exhaust (condensates/extracts), 

    which are known to the State of California to cause cancer.  For more information go to www.P65Warnings.ca.gov.

    Our GM Marine long blocks are ideal for replacing an engine when the component parts are still good. Why replace it if it is not broken? However, we do recommend replacing warn out components.

    All engines, unless clearly stated, are authentic General Motors Marine engines. Our authentic GM marine engines are built on GM production lines for marine applications. Don't be mislead by others who can't claim GM authenticity unless you are satisfied with an imitation.

    This engine comes equipped with Flywheel set up for Inboard/outboard bottom mount starter application (ring gear towards front of engine). We Do Not Change the Ring Gear.

    This Genuine GM engine comes with spark plugs that are used for fuel injected applications.  You must change the plugs to a GM 05614210 (Marine Engine Depot # 479104) if used for a carbureted application. 

     Includes:

    • Vortec Engine with High Flow Cylinder Heads
    • Circulating Water Pump
    • 14" Flywheel
    • Harmonic Balancer
    • Valve Covers
    • Spark Plugs
    Products specifications
    Displacement 350 C.I.D. (5736 CC) / 5.7L
    Cylinder Head Cast Iron
    Cylinders 90 Degree 8-Cylinder
    Engine Orientation Longitudinal
    Compression Ratio 9.4:1
    Valve Configuration Overhead Valves (2 valves per cylinder)
    Valve Lifters Hydraulic Roller
    Firing Order 1 – 8 – 4 – 3 – 6 – 5 – 7 – 2
    Bore x Stroke 4.00" x 3.48" (101.60 x 88.39 mm)
    Fuel Type LP & CNG
    Ignition Not Included
    Horsepower 216 hp (161 kW) @ 4000 rpm (LP) / 196 hp (146 kW) @ 4000 rpm (CNG)
    Flywheel Diameter 14" (Ring Gear Towards Engine)
    Torque 308 lb-ft (418 Nm) @ 1400 rpm (LP) / 283 lb-ft (384 Nm) @ 1600 rpm (CNG)
    Oil Pan Capacity 5.5 Quarts (with filter)
    Emission Controls Positive Crankcase Ventilation
    Block Cast Iron GM232-M
    Main Bearing Caps Cast iron GM232-M
    Crankshaft Nodular Iron
    Camshaft 5150 Steel Billet
    Connecting Rods Forged - SAE 1141
    Warranty 1 Year Limited (Commercial 90 day)