Make $43,945.75
GM High Performance Base 496 Marine Crate Engines

GM High Performance Base 496 Marine Crate Engines
Base 496 Marine Performance

GM Marine Base 496ci Crate Engine



• 4 Bolt Main .060 over block
• Two piece rear seal
• drivers side dipstick
• Square and parallel decked
• Align honed main bearing bore
• Cylinders honed on computer controlled machine to within .0002 straightness and roundness
• Cylinders are sonic tested for thickness


• New SCAT cast crankshaft internally balanced
• New SCAT 4340 forged connecting rods
• 150,000 psi rod bolts
• Keith Black forged flat top Pistons
• Hastings moly rings
• Rotating assembly balanced to within 2 grams
• Melling high volume oil pump
• Flat tappet hydraulic lifter .544 intake lift, .547 exhaust lift
• 226 intake, 236 exhaust duration @ .050, 112 degrees lobe separation
• Heavy duty double roller (high perrformance) timing set


• GM cast iron oval port cylinder heads with screw-in studs and guide plates
• 1.509 dia. Valve springs w/ damper. Hardened retainers & keepers.
• 2.25 swirl polished intake valves, 1.88 swirl polished exhaust valves
• Elgin hardened push rods
• Long slot rockers with postitive lock adjusting nuts


• Merlin marine intake manifold
• 9.0 to 1 compression
• Chrome valve covers
• Milodon cad plated marine oil pan
• Brass freeze plugs
• All engines are dyno tested on state-of-the-art DTS dyno and come with a complete dyno sheet
• Comes with 12 month / Unlimited hour warranty

460 Horsepower

Dont Be Taken


  • Camshaft:
    .544 Int / .547 Exh & 226 Int / 236 Exh duration @.050 - 112 degree lobe seperation

  • Horsepower:

  • Torque:

  • Compression Ratio:
    9.0 to 1

  • Ignition Timing:
    13 to 16 Degree Initial / 34 Degree Total

  • 12 Month / Unlimited Hour Warranty

Order Now




Rebuilt engines for Sale. Purchase online. We ship rebuilt and remanufactured engines and transmissions and to Jasper Alabama, Birmingham, Alabama (AL), Alaska (AK), Arizona (AZ), Jasper Arkansas, Arkansas (AR), California (CA), Colorado (CO), Hartford, New Haven, Connecticut (CT), Delaware (DE), Jasper Florida, Fort Lauderdale, Jacksonville, Miami, Tampa, Florida (FL), Jasper Georgia, Georgia (GA), Idaho (ID), Chicago, Illinois (IL)Jasper Indiana, Indiana (IN), Iowa (IA) , Kansas (KS), Kentucky (KY), New Orleans, Louisiana (LA), Maine (ME),Baltimore Maryland, Maryland (MD), Boston, Massachusetts (MA), Jasper Michigan, Michigan (MI), Jasper Minnesota, Minnesota (MN), Mississippi (MS), Jasper Missouri, St Louis, Missouri (MO), Nebraska (NE), Nevada (NV), New Hampshire (NH), New Jersey (NJ), New Mexico (NM), Jasper New York, New York (NY), Raleigh, North Carolina (NC), North Dakota (ND), Jasper Ohio, Cincinnati, Columbus, Ohio (OH), Oklahoma (OK), Oregon (OR),Philadelphia, Pittsburgh, Pennsylvania (PA), Providence, Rhode Island (RI), Charleston, South Carolina (SC), South Dakota (SD), Jasper Tennessee, Memphis, Nashville, Tennessee (TN), Jasper Texas, Texas (TX), Utah (UT), Vermont (VT), Norfolk, Richmond, Virginia (VA), Washington (WA), West Virginia (WV), Wisconsin (WI) and Wyoming (WY)