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BluePrint Engines ProSeries LS 427 C.I. 625 HP Base Dressed Carbureted Crate Engine

Item EK-25-903159
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      Product Information

      Description, Q&A

      Description


      HP & Torque: 625 HP / 550 FT LBS
      Compression Ratio: 11:1
      Aluminum Heads
      Hydraulic Roller Cam
      Forged Crank
      Forged Pistons
      BLOCK:
      OEM Block Machined in the USA!
      6-Bolt Main
      4.060" Bored to 4.069
      1-Piece Rear Main Seal
      ROTATING ASSEMBLY:
      New Forged Crankshaft
      4.125" stroke
      Forged 6.125" connecting rods
      Forged Pistons
      Internal
      CYLINDER HEADS:
      BluePrint Aluminum Cylinder Heads -PS8015
      72cc chamber
      2.165" intake/1.600" exhaust valves
      259cc intake/102cc exhaust runners
      CAM SPECS:
      Roller
      .624 intake .624 exhaust lift
      247 intake 263 exhaust duration
      @ .050, 114-degree lobe sep.
      IGNITION TIMING:
      Ignition box required
      ALSO INCLUDES:
      Carburetor - 850cfm with mechanical secondaries, dual accelerator pumps and mechanical choke
      Single plane aluminum intake
      Harmonic balancer
      Valve covers, retro fit oil pan and timing cover
      Coil Packs and coil pack harness
      Crank, cam and MAP sensors
      Spark plug wires & wiring harness
      NOTES:
      This engine requires a non-weighted flex plate/flywheel.
      Recommended Fuel: 91 Octane
      BluePrint Engines recommends a 2200+ RPM stall converter.
      Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars
      Does NOT include ignition box. BluePrint Engines recommends MSD 6014 Ignition system on LS1HO setting

      BluePrint Engines PSLS4270CTC

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

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