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7.4L (454ci) Vortec Marine Engine - (1991-Current Replacement)

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7.4L (454ci) Vortec Marine Engine - (1991-Current Replacement)

7.4L (454ci) Vortec Marine Engine - (1991-Current Replacement) 7.4L (454ci) Vortec Marine Engine - (1991-Current Replacement) 7.4L (454ci) Vortec Marine Engine - (1991-Current Replacement) 7.4L (454ci) Vortec Marine Engine - (1991-Current Replacement)

Product Details

Item Number: 7400-BaseV

$7,839.00

$6,699.00 plus shipping

Product Options

Reverse rotation: 


This is a brand new, late model 1991-2001 Vortec 7.4L (454 ci) marine engine (one-piece rear main seal, oval port heads, roller cam and roller lifters). Generation 6. One-year unlimited hours warranty. NO CORE CHARGE. This 7.4L (454 ci) Vortec is rated at 310-340hp at the crank (depending on intake, carb or EFI, exhaust manifolds, etc.). Electric choke carburetor is highly recommended.

This brand new 7.4L marine engine comes equipped with the following:

  • 7.4L GEN 6, GM marine engine (standard rotation)
  • Corrosion resistant urethane paint
  • Vortec cylinder heads, engine block and all internal components
  • Roller cam and roller lifters, or flat tappet cam
  • 8-quart marine oil pan and valve covers 
  • Fel-Pro marine head gaskets 
  • Harmonic balancer, timing cover and circulation pump
  • Will work in pre-1996, 7.4L (454 ci) applications with electric or mechanical fuel pump
  • Will work in pre-1991, 7.4L (454 ci) applications with mechanical fuel pump & updated flywheel
  • Opposite rotation available for an additional $1,000 with roller cam/lifters; or $500 with flat tappet cam
  • One-year (parts & labor) warranty
  • Email sales@michiganmotorz.com or call (248) 524-9600 to place your order or for a shipping quote.

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