7.4 Gm Reman Marine Long Block Engine (1996-2003)

  • Size: 7.4L / 454
  • Years: 1996-2003
  • HP Rating: 330
  • Block Casting: 297
  • Notes: Standard rotation, Gen VI, 4 bolt main, electric fuel pump, head casting 156, oval intake port, 6 bolt alUSMinUSM.

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Availability: In stock

SKU:USMK1

$5,630.00
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Our Long Block Engine Includes:


  • Cam/Main/Rod Bearings  
  • Oil Pump  
  • Timing Gears  
  • Camshaft  
  • Pistons  
  • Valves  
  • Connecting Rods  
  • Piston Rings  
  • Valve Guides  
  • Head Gaskets  
  • Push Rods  
  • Valve Keepers  
  • Lifters  
  • Rocker Arms  
  • Valve Springs  


  • Call us today with any questions and to verify this engine will work for you:

    (631)991-7700

    Name 7.4 Gm Reman Marine Long Block Engine (1996-2003)
    SKU USMK1
    Brand GM Marine
    Liters 7.4L
    Block Casting Number 297
    CID 454
    Horsepower 330
    Standard rotation, Gen VI, 4 bolt main, electric fuel pump, head casting 156, oval intake port, 6 bolt alUSMinUSM.

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    Vehicle application fitments

    PartTypeYearMakeEngineSizeRotationFitment Notes
    Engine1996Mercruiser7.4LStandardN/A
    Engine1996Volvo7.4LStandardN/A
    Engine1996Crusader7.4LStandardN/A
    Engine1996Marine Power7.4LStandardN/A
    Engine1996Indmar7.4LStandardN/A
    Engine1996Pleasure Craft7.4LStandardN/A
    Engine1996Chris Craft7.4LStandardN/A
    Engine1996OMC7.4LStandardN/A
    Engine1996Chrysler7.4LStandardN/A
    Engine1996GM7.4LStandardN/A
    Engine1996Ford7.4LStandardN/A
    Engine1997Mercruiser7.4LStandardN/A
    Engine1997Volvo7.4LStandardN/A
    Engine1997Crusader7.4LStandardN/A
    Engine1997Marine Power7.4LStandardN/A
    Engine1997Indmar7.4LStandardN/A
    Engine1997Pleasure Craft7.4LStandardN/A
    Engine1997Chris Craft7.4LStandardN/A
    Engine1997OMC7.4LStandardN/A
    Engine1997Chrysler7.4LStandardN/A
    Engine1997GM7.4LStandardN/A
    Engine1997Ford7.4LStandardN/A
    Engine1998Mercruiser7.4LStandardN/A
    Engine1998Volvo7.4LStandardN/A
    Engine1998Crusader7.4LStandardN/A
    Engine1998Marine Power7.4LStandardN/A
    Engine1998Indmar7.4LStandardN/A
    Engine1998Pleasure Craft7.4LStandardN/A
    Engine1998Chris Craft7.4LStandardN/A
    Engine1998OMC7.4LStandardN/A
    Engine1998Chrysler7.4LStandardN/A
    Engine1998GM7.4LStandardN/A
    Engine1998Ford7.4LStandardN/A
    Engine1999Mercruiser7.4LStandardN/A
    Engine1999Volvo7.4LStandardN/A
    Engine1999Crusader7.4LStandardN/A
    Engine1999Marine Power7.4LStandardN/A
    Engine1999Indmar7.4LStandardN/A
    Engine1999Pleasure Craft7.4LStandardN/A
    Engine1999Chris Craft7.4LStandardN/A
    Engine1999OMC7.4LStandardN/A
    Engine1999Chrysler7.4LStandardN/A
    Engine1999GM7.4LStandardN/A
    Engine1999Ford7.4LStandardN/A
    Engine2000Mercruiser7.4LStandardN/A
    Engine2000Volvo7.4LStandardN/A
    Engine2000Crusader7.4LStandardN/A
    Engine2000Marine Power7.4LStandardN/A
    Engine2000Indmar7.4LStandardN/A
    Engine2000Pleasure Craft7.4LStandardN/A
    Engine2000Chris Craft7.4LStandardN/A
    Engine2000OMC7.4LStandardN/A
    Engine2000Chrysler7.4LStandardN/A
    Engine2000GM7.4LStandardN/A
    Engine2000Ford7.4LStandardN/A
    Engine2001Mercruiser7.4LStandardN/A
    Engine2001Volvo7.4LStandardN/A
    Engine2001Crusader7.4LStandardN/A
    Engine2001Marine Power7.4LStandardN/A
    Engine2001Indmar7.4LStandardN/A
    Engine2001Pleasure Craft7.4LStandardN/A
    Engine2001Chris Craft7.4LStandardN/A
    Engine2001OMC7.4LStandardN/A
    Engine2001Chrysler7.4LStandardN/A
    Engine2001GM7.4LStandardN/A
    Engine2001Ford7.4LStandardN/A
    Engine2002Mercruiser7.4LStandardN/A
    Engine2002Volvo7.4LStandardN/A
    Engine2002Crusader7.4LStandardN/A
    Engine2002Marine Power7.4LStandardN/A
    Engine2002Indmar7.4LStandardN/A
    Engine2002Pleasure Craft7.4LStandardN/A
    Engine2002Chris Craft7.4LStandardN/A
    Engine2002OMC7.4LStandardN/A
    Engine2002Chrysler7.4LStandardN/A
    Engine2002GM7.4LStandardN/A
    Engine2002Ford7.4LStandardN/A
    Engine2003Mercruiser7.4LStandardN/A
    Engine2003Volvo7.4LStandardN/A
    Engine2003Crusader7.4LStandardN/A
    Engine2003Marine Power7.4LStandardN/A
    Engine2003Indmar7.4LStandardN/A
    Engine2003Pleasure Craft7.4LStandardN/A
    Engine2003Chris Craft7.4LStandardN/A
    Engine2003OMC7.4LStandardN/A
    Engine2003Chrysler7.4LStandardN/A
    Engine2003GM7.4LStandardN/A
    Engine2003Ford7.4LStandardN/A