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  Bulk engine purchases of 10 or more engines will be discounted 10% (click here)   8.1L Gen VII Engine Generation 7              (1 piece rear main seal)                Click on image to see more detailed pictures  This is a completely remanufactured 8.1L TRUE marine engine.Gen 6 is always roller cam and roller lifters.It has a 1 piece rear main seal..Will work  with all MerCruiser, OMC, Volvo Penta, Pleasure Craft, Crusader ,Chris Craft, Yamaha & more.  Also available: Chevy 454  , Chevy 3.0, Chevy 4.3, Chevy 305, Chevy 350, , Chevy 502, Chrysler 318, Chrysler 360, Cummins 5.9, Ford 302, Ford 351W, Ford 460, and More
   
 
|  Short Block (with no heads): (see latest price in cart) |  |  
| Long Block (with heads):  (see latest price in cart) |  |  _________________________________________________________________________________________________________________________________________________ 7.4 454  Gen. VI Engine Generation 6              (1 piece rear main seal)                Click on image to see more detailed pictures  This is a completely remanufactured 7.4L 454  TRUE marine engine.Gen 6 is always roller cam and roller lifters.It has a 1 piece rear main seal..Will work  with all MerCruiser, OMC, Volvo Penta, Pleasure Craft, Crusader ,Chris Craft, Yamaha & more.  Also available: Chevy 454  , Chevy 3.0, Chevy 4.3, Chevy 305, Chevy 350, , Chevy 502, Chrysler 318, Chrysler 360, Cummins 5.9, Ford 302, Ford 351W, Ford 460, and More
   
 
|  Short Block (with no heads): (see latest price in cart) |  |  
| Long Block (with heads):  (see latest price in cart) |  |  __________________________________________________________________________________ 7.4 454  Gen. V Engine Generation 5              (1 piece rear main seal)                Click on image to see more detailed pictures  This is a completely remanufactured 7.4L 454  TRUE marine engine.It has a 1 piece rear main seal..Will work  with all MerCruiser, OMC, Volvo Penta, Pleasure Craft, Crusader ,Chris Craft, Yamaha & more.  Also available: Chevy 454  , Chevy 3.0, Chevy 4.3, Chevy 305, Chevy 350, , Chevy 502, Chrysler 318, Chrysler 360, Cummins 5.9, Ford 302, Ford 351W, Ford 460, and More
   
 
|  Short Block (with no heads): (see latest price in cart) |  |  
| Long Block (with heads):  (see latest price in cart) |  |  _________________________________________________________________________________________________________________ 7.4 454  Gen. IV Engine Generation 4              (2 piece rear main seal)                Click on image to see more detailed pictures  This is a completely remanufactured 7.4L 454 (mechanical  fuel pump type) TRUE marine engine...Will work  with all MerCruiser, OMC, Volvo Penta, Pleasure Craft, Crusader ,Chris Craft, Yamaha & more.  Also available: Chevy 454  , Chevy 3.0, Chevy 4.3, Chevy 305, Chevy 350, , Chevy 502, Chrysler 318, Chrysler 360, Cummins 5.9, Ford 302, Ford 351W, Ford 460, and More
   
 
|  Short Block (with no heads): (see latest price in cart) |  |  
| Long Block (with heads):  (see latest price in cart) |  |  _________________________________________________________________________________________________________________________________________________ |