GM Big Block Compatible 496 c.i. Power Adder Engine - 561 Horsepower - Long Block

Description: 

• Horsepower & Torque: 561 Horsepower / 512 ft. lbs. Torque
• Compression Ratio: 8.8:1
• BluePrint Engines Aluminum Heads
• BluePrint Engines Hydraulic Roller Cam
• BluePrint Engines Forged Crank
• BluePrint Engines Forged Pistons

Block:

• BluePrint Engines High Strength Cast Iron Block, 454 BBC
  
• Manufactured and Machined in the USA!
• Mech Fuel Pump Provision: Yes
• 1-Piece Rear Main Seal
• Standard Deck
• 4-Bolt Main
• 4.310" Bore

Rotating Assembly:

• Dual Keyway Crankshaft
  
• 4.250" Stroke
• Forged H-beam 6.385" Connecting Rods
• Forged Pistons
• Internally Balanced Front and Rear

Cylinder Heads:

• BluePrint Aluminum Cylinder Heads - PS8013
• 119cc Chamber
• 2.30" Intake / 1.88" Exhaust Valves
• 316cc Intake / 124cc Exhaust Runners
• Cylinder Heads Feature a .300 in. Raised Exhaust Port vs an OEM Casting
• Must Verify Header / Exhaust Clearance

Cam Specs:

• Hydraulic Roller
• .540 Intake / .560 Exhaust Lift
  
• 242 Intake / 248 Exhaust Duration
  
• @ .050-114 Degree Lobe Separation

Ignition Timing:

• 10-16° and Total Timing 32-34°

Also Includes:

• Harmonic Balancer
• Timing Cover
  
• Valve Covers
• Dipstick
• Oil Pan
  

Notes:

• Not for EGR.
• Built to accept Power Adders - Turbo chargers, superchargers, NOS etc. 
  
• Built with Dual Keyway Crankshaft for Harmonic Balancer
• SFI Harmonic Balancer included on engine