New longblock / shortblock

At FirstMate Marine, your complete satisfaction is our first and foremost concern, We offer long blocks, cylinder head kits, and some long block assemblies with oil pan and timing cover. If you need an engine that is not listed in our catalog, please call us. Cylinder head, and block casting numbers will assist us in supplying your exact needs. Engine Features: = 12-month Limited Warranty = New Pistons, Moly Rings = Marine Cam and Lifters = Brass Block Plugs = New Rod, Main and Cam Bearings = New H.D. Timing Chain and Gears = New Oil Pump = New Marine Gasket Set = Block Resurfaced, Bored and Honed = Crankshaft Reconditioned = Connecting Rods Reconditioned = Heads Resurfaced = New Valve Springs = Spin Tested = Pressure Tested
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  1. 4.3 to 4.3 L Base Engine GM 4.3L and 4.3LX

    Base Engine GM 4.3L and 4.3LX Standard equipment base engine. Replace Mercruiser, Volvo and OMC. from 1991 up today, Vortec 4.3 with composite timing cover. ENGINE DETAILS: = Horse Power: 226 hp @ 4800 rpm. = Displacement: 4.3L (262 CID) = 1 piece crankshaft seal = Balance shaft STANDARD EQUIPMENT = All internal components = Valve covers = Timing cover = Oil Pan IMPORTANT The intake manifold in this engine is fixed to the heads with 8 screws. If the engine two substitute have 12 screws, you must order: - MP425036 Intake manifold carburetor 4 bbl. or - MP425024 Intake manifold carburetor 2 bbl. plus - MP001204 Bolts for intake manifold
    SKU: BPNGM262VORTEC
    €7,411.00
  2. LONG BLOCK 5.7L MPI

    LONG BLOCK 5.7L MPI
    SKU: BPNGM350MPI
    €10,840.00
  3. GM 5.7L V8 Pre-Vortec factory new engine

    • 1987-1995 • 275 hp @ 4800RPM • 5.7L (350 CID) • Mechanical fuel pump • 1-piece crankshaft seal • 12-shanks intake
    SKU: BPNGM350PREVORTEC
    €10,031.00
  4. 5.7 to 5.7 L Base Engine GM 5.7L

    Standard equipment base engine. Replace Mercruiser, Volvo, OMC and Crusader. Carbureted or TBI Long Block from 1996 up today. ENGINE DETAILS: = Horse Power 330 hp @ 5000 rpm. = Displacement: 5.7L (350 CID) = Acceptable mechanical fuel pump = 1 piece crankshaft seal = 8 bolt style intake manifold STANDARD EQUIPMENT = All internalize components = Valve covers = Composite Timing cover = Oil Pan
    SKU: BPNGM350VORTEC
    €10,987.00
  5. 6.2 to 6.2 L Base Engine GM 6.2L

    Standard equipment base engine. Replace Mercruiser 6.2L MPI Long Block from 1996 up today. ENGINE DETAILS: = Horse Power: 355 hp @ 4500 rpm. = Displacement: 6.2L (350 CID) = 1 piece crankshaft seal = Requires use of crank position sensor = 8 bolt style Multiport injection intake manifold STANDARD EQUIPMENT = All internal components = Valve covers = Composite Timing cover = Oil Pan
    SKU: BPNGM6.2MPI
    €16,244.00
  6. 3-3 L Base Engine GM 3.0L and 3.0LX - 140 BHP

    Base Engine GM 3.0L and 3.0LX Replaces Mercruiser, Volvo and OMC. From 1991 up, starting with GM block. Standard Equipment: - All internal components - 14 "Flywheel - Harmonic Balancer - Distributor - Sparks - Cylinder Head - Valve Cover - Timing Cover - Oil Pan - Waterpump IMPORTANT To replace the engines before 1989 with 2 pieces crankshaft seal and flywheel of less diameter , you must substitute the start and the drive plate of the engine - Base engine: GM 3.0L 3.0LX - Displacement: 3.0L (181 CID) - Horse Power: 140 HP @ 4800 rpm - Torque: 117 lb-ft @ 3600 rpm - Rear Main seal: 1 - Rotation: Standard - Cylinders: Inline 4 - Firing order: 1-3-4-2 - Oil pan capacity: 4 quarts - Oil type: SAE 15W40
    SKU: BPNGM181
    €6,402.00
  7. Text and image are coming soon

    Text in preparation
    SKU: FIRGM350LFT
    €4,202.44
  8. Rebuilt ENGINE 4.3L 6L

    Rebuilt ENGINE 4.3L 6L
    SKU: BPGM250LA
    €3,896.45
  9. Rebuilt ENGINE 4.3L V6

    Rebuilt ENGINE 4.3L V6
    SKU: BPGM262LA
    €5,675.00
  10. Rebuilt ENGINE 4.3L V6 COMPLETE

    Rebuilt ENGINE 4.3L V6 COMPLETE
    SKU: BPGM262LBT
    €3,695.55
  11. Rebuilt ENGINES GM BLOCK

    Rebuilt ENGINES GM BLOCK
    SKU: BPGM262LF
    €3,995.76
  12. Rebuilt ENGINE

    Rebuilt ENGINE
    SKU: BPGM262LGT
    €5,521.00

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