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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. 3-3 L Base Engine GM 3.0L and 3.0LX - 140 BHP 1
    Base Engine GM 3.0L and 3.0LX Replaces Mercruiser, Volvo and OMC. From 1991 up, starting with GM block. Standard Equipment: - All internal componen... Learn More

    Regular Price: €5,050.28

    Special Price €4,848.26

    SKU: BPNGM181
  2. 4.3 to 4.3 L Base Engine GM 4.3L and 4.3LX 1
    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 timi... Learn More

    Regular Price: €5,170.74

    Special Price €4,963.91

    SKU: BPNGM262VORTEC
  3. LONG BLOCK 5.7L MPI 1
    LONG BLOCK 5.7L MPI Learn More

    Regular Price: €5,318.46

    Special Price €5,105.73

    SKU: BPNGM350MPI
  4. GM 5.7L V8 Pre-Vortec factory new engine 1
    • 1987-1995 • 275 hp @ 4800RPM • 5.7L (350 CID) • Mechanical fuel pump • 1-piece crankshaft seal • 12-shanks intake Learn More

    Regular Price: €5,866.05

    Special Price €5,631.41

    SKU: BPNGM350PREVORTEC
  5. 5.7 to 5.7 L Base Engine GM 5.7L 1
    Standard equipment base engine. Replace Mercruiser, Volvo, OMC and Crusader. Carbureted or TBI Long Block from 1996 up today. ENGINE DE... Learn More

    Regular Price: €5,318.46

    Special Price €5,105.73

    SKU: BPNGM350VORTEC
  6. 6.2 to 6.2 L Base Engine GM 6.2L 1
    Standard equipment base engine. Replace Mercruiser 6.2L MPI Long Block from 1996 up today. ENGINE DETAILS: = Horse Power: 355 hp @ 4500 rpm. = Disp... Learn More

    Regular Price: €8,089.59

    Special Price €7,766.00

    SKU: BPNGM6.2MPI
  7. Text and image are coming soon 1
    Text in preparation Learn More

    Regular Price: €4,437.11

    Special Price €4,326.19

    SKU: FIRGM350LFT
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