Blueprint Engines BP4960 - Blueprint Engines Short Block Cast Assemblies

Blueprint Engines BP4960 - Blueprint Engines Short Block Cast Assemblies

Blueprint Engines #138-BP4960

Forged Short Block Assembly
  • 496ci BB-Chevy
  • 4-Bolt Main
  • Forged Flat Top Pistons
  • $3,095.99 Ships
    $159.00
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    Blueprint Engines BP4960 - Blueprint Engines Short Block Cast Assemblies

    Blueprint Engines BP4960 - Blueprint Engines Short Block Cast Assemblies Details

    Chevy - Big Block

    Block

    • 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

    Rotating Assembly

    • New SCAT cast steel crankshaft internally balanced
    • New SCAT 4340 forged connecting rods
    • 150,000 psi rod bolts
    • Forged Flat Top Pistons
    • Hastings moly rings
    • Rotating assembly balanced to within 2 grams
    • These engines require neutral balance balancers and flywheels

    Blueprint Engines BP4960 - Blueprint Engines Short Block Cast Assemblies

    Blueprint Engines Short Block Assemblies are a great basis for a drivable and reliable high performance engine. All rotating assemblies are balanced within 2 grams on a computerized balancer.

      Block:

    • Cylinder wall thickness ''sonic tested''
    • Cylinders bore angle corrected to be 90° perpendicular to crank centerline
    • Cylinder bore centerline corrected to be exactly centered over crank centerline
    • Decks machined parallel to crank centerline
    • Right and left side decks machined equal distance from crank centerline
    • Main bearing bores align honed to correct size and straightness
    • Cylinders computer honed to tolerance of 200 millionths of an inch
    • Cylinders plateau finished for virtually instant break-in
    • Screw-in oil galley plugs installed in place of soft plugs

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