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

Description

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