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BluePrint Engines Small Block Chevy 396 C.I. 491 HP Long Block Crate Engine

Item EK-25-903089
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$7,349.00

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      Product Information

      Description, Q&A

      Description


      HP & Torque: 491 HP / 509 FT LBS
      Compression Ratio: 10.4:1
      Aluminum Heads
      Hydraulic Roller Cam
      Forged Crank
      Forged Pistons
      BLOCK:
      NEW BluePrint Cast Iron Block
      Manufactured and Machined in the USA!
      Align honed main bearing bore
      Cylinders honed on computer-controlled machine to within .0002 straightness and roundness
      Cylinders are sonic tested for thickness
      4-Bolt Main
      4.000" Bore
      1-Piece Rear Main Seal
      Mech fuel pump provision: Yes
      Passenger Side Dipstick
      Drilled and tapped for clutch linkage
      ROTATING ASSEMBLY:
      New BluePrint Forged Crankshaft
      3.875 " Stroke
      Forged I-beam 6.000" connecting rods
      Forged Pistons
      Internal Front/ External Rear
      CYLINDER HEADS:
      BluePrint Aluminum Cylinder Heads - HP8103
      64cc chamber
      2.08" intake/1.60" exhaust valves
      220cc intake/67cc exhaust runners
      CAM SPECS:
      Cam Type: Roller
      .544 Intake .555 Exhaust
      230 Intake / 236 Exhaust duration
      @ .050, 110 ° lobe separation angle
      IGNITION TIMING:
      34 degrees total at 3500 RPM
      ALSO INCLUDES:
      Valve covers, oil pan and timing cover
      NOTES:
      *A bronze distributor gear is NOT recommended on this engine
      Not for use in pollution-controlled vehicles.
      This engine features a true 4-inch bore, which mathematically yields 389 CID with a 3.875-inch stroke.
      93 octane or higher is recommended for this engine.
      The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.

      BluePrint Engines BP3961CT

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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