Description: 

• Horsepower & Torque: 350 Horsepower / 400 FT LBS
• Compression Ratio: 9.5:1
• Cast Iron Heads
• Flat Tappet Cam
• Cast Steel Crank
• Hypereutectic Pistons

Block:

• New BluePrint Cast Iron Block
• Square and Parallel Decked
• Align Honed Main Bearing Bore
• Cylinders Honed on Computer-Controlled Machine to Within .0002 Straightness and Roundness
• Cylinders are Sonic Tested for Thickness
• 4-Bolt Main
• 4.000″ Bore
• 1-Piece Rear Main Seal
• Mech Fuel Pump Provision: Yes
• Passenger Side Dipstick Drilled and Tapped for Clutch Linkage

Rotating Assembly:

• Cast Steel Crankshaft
• 3.480″ Stroke
• OEM Type 5.700″ Connecting Rods
• Hypereutectic Pistons
• Internal Front/ External Rear Engine Balance

Cylinder Heads:

• Vortec Cast Iron Cylinder Heads
• 1.94 Intake Valves
• 1.50 Exhaust Valves
• Hardened Push Rods
• Long Slot Rockers with Positive Lock Adjusting Nuts

Cam Specs:

• Cam Type: Flat Tappet
• .480 Intake / .489 Exhaust Lift
• 226 Intake / 236 Exhaust Duration
• @.050-112° Lobe Separation Angle

Ignition Timing:

• 34 Degrees Total at 3500 RPM

Also Includes:

• New Cast Iron Marine Intake
• Valve Covers
• Oil Pan

Notes:

• This engine is designed for CARBURETED use only. It is NOT for use in any factory fuel injected applications.
• 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.