GM Big Block Compatible 598 c.i. Engine and 4L80E Automatic Transmission – 741 Horsepower – Standard Edition Builder Series – Polished Pulley Kit – Carbureted

• Horsepower & Torque: 741 Horsepower / 703 FT LBS
• Standard Deck Height!
• Bolt 724hp in place of your Chevy 454 or 396 BBC!
• Compression Ratio: 10.5:1
• 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
• 4.600″ Bore
• 1-Piece Rear Main Seal
• Mech Fuel Pump Provision: Yes
• Standard Deck

Rotating Assembly:

• New BluePrint Forged Crankshaft
• 4.500″ Stroke
• Forged H-beam 6.480″ Connecting Rods
• Forged Pistons
• Internally Balanced

Cylinder Heads:

• BluePrint Aluminum Cylinder Heads – PS8012
• 119cc Chamber
• 2.30″ Intake / 1.88″ Exhaust Valves
• 358cc Intake / 125cc Exhaust Runners
• Cylinder Heads Feature a .300 in. Raised Exhaust Port vs an OEM Casting
• Must Verify Header / Exhaust Clearance

Cam Specs:

• .647 Intake / .647 Exhaust
• 258 Intake / 266 Exhaust Duration
• @ .050-112 Degree Lobe Separation

Ignition Timing:

• 38° Total Timing

Also Includes:

• Valve Covers
• Oil Pan
• Timing Cover
• Harmonic Balancer
• Intake Manifold
• 1250cfm Holley Carburetor
• Distributor
• Spark Plugs and Wires
• Front Accessory Drive with Alternator, A/C Compressor, Power Steering Pump, and Water Pump 
• Electric Fuel Pump
• Thermostat and Thermostat Housing

Assembled with Complete 4L80E Automatic Transmission Package:

• 4L80E Complete Package with Electronic Controller Included
• W/Lockup Capability
• 3800+ Stall Torque Converter
• Flex Plate
• Starter

4L80E Gear Ratios:

• 1: 2.482
• 2: 1.482
• 3: 1.00
• 4: 0.750
• R: 2.077

Notes:

• The front accessory drive on this engine fits many vehicles, however it is the customer responsibility to accurately measure and confirm fitment.  Note this is a low-profile design, but things such as power steering hoses, alternator wiring, and additional fittings/fabrication may be required on some vehicles.

• BluePrint Engines 598ci crate engine uses a standard deck height block. So if you are looking for large cubic inches and replacing an old 396ci BBC, or 454 BBC this engine will bolt right in. Talk about an upgrade!