5.0 Gm 305 Reverse Rotation Reman Marine Long Block Engine 1976-1985

Size: 5.0 / 305
Years:1976-85
HP Ratings: 230


Notes:Block casting numbers:
909, 979, 776, 777, 371, 778

*Detailed engine photos are available upon request*



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Availability: In stock

SKU:USM07R

$2,820.00
  • Description
  • Additional Info
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

    Warranty Information We stand behind our unbeatable quality with a One year unlimited mileage warranty!
    - available on most engines

    SKU USM07R
    Brand GM Marine Engines
    condition Remanufactured
    . No
    Price Starting At $2,820.00
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    WARNING: Products may contain one or more chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.