GM Marine Big Block Compatible 540 c.i. Pro Series Engine - 670 Horsepower - Base Dressed - Carbureted

Description:

• Horsepower & Torque: 670 Horsepower / 660 FT LBS
• Compression Ratio: 10.0:1
• Aluminum Heads
• Hydraulic Roller Cam
• Forged Crank
• Forged Pistons

Block:

• BluePrint Engines High Strength Cast Iron Block
• Manufactured and Machined in the USA!
• 4-Bolt Main
• 4.500"
• 1-Piece Rear Main Seal
• Mech Fuel Pump Provision: Yes
• Standard Deck

Rotating Assembly:

• New BluePrint Forged Crankshaft
• 4.250" Stroke
• Forged H-beam 6.385" Connecting Rods
• Forged Pistons
• Internal Engine Balance

Cylinder Heads:

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

Cam Specs:

• Cam Type: Roller
• .647 Intake / .647 Exhaust Lift
• 248 Intake / 254 Exhaust Duration
• @.050-112 Degree Lobe Separation

Also Includes:

• 850cfm Carburetor
• Edelbrock Aluminum Intake Manifold
• Distributor
• Valve Covers
• Oil Pan
• Timing Cover
• Spark Plugs
• MSD Spark Plug Wires
• Harmonic Balancer

Notes:

• For boats being used in salt water, BluePrint Engines recommends a closed cooling system be used as the aluminum cylinder heads and intake manifolds do not have brass lined water passages.
• Replaces Standard Rotation engines only. Not available as reverse rotation.
• BluePrint Engines recommends the use of a flame arrestor in marine applications and advises checking local laws to ensure compliance with the United States Coast Guard Requirements for Ignition Protection & Fire Resistance.