Blueprint Engines BP49611CT GM Big Block Chevy 496 ci. Long Block for Power Adders [561 HP]:

• Block:
  • NEW BluePrint Cast Iron Block
  • 4-Bolt Main
  • 4.310 in. Bore
  • 1-Piece Rear Main Seal
  • Mechanical Fuel Pump Provision
  • Standard Deck
• Rotating Assembly:
  • Forged Crankshaft w/Dual Keyway
  • 4.250 in. Stroke
  • Forged H-Beam 6.135 in. Connecting Rods
  • Forged Pistons
  • Internal Balance
• Cylinder Heads:
  • BluePrint Aluminum Cylinder Heads PS8013
  • Compression Ratio: 8.8:1
  • 119 cc Chambers
  • 2.30 in. Intake/1.88 in. Exhaust Valves
  • 316 cc Intake/124 cc Exhaust Runners
  • .300 in. Raised Exhaust Port vs OEM Casting
• Cam Specs:
  • Cam Type: Hydraulic Roller
  • .540 Intake/.560 Exhaust Lift
  • 242 Intake/248 Exhaust Duration @ .050
  • Lobe Seperation (LSA) 114
• Ignition Timing:
  • Initial Timing 10-16° and Total Timing 32-34°
• Also Includes:
  • SFI Approved Dual Keyway Harmonic Balancer
  • Oil Pan
  • Valve Covers
  • Timing Cover

Blueprint Engines BP49611CT GM Big Block Chevy 496 ci. Long Block for Power Adders [561 HP] Notes:

• Built to accept Power Adders - Turbo chargers, superchargers, NOS etc.
• Cylinder heads on this engine feature a .300 in. raised exhaust port vs OEM Verify Header/Exhaust Clearance
• Built with Dual Keyway Crankshaft for Harmonic Balancer
• SFI Harmonic Balancer included on engine

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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