BluePrint Engines B598K4L8 BBC 598 with 4L80E, Carbureted, Pol.

This BluePrint Builder Series 598 c.i. big block Chevy engine and 4L80E automatic transmission package is a serious high-output powertrain built for extreme street and strip performance with classic carbureted fuel delivery and heavy-duty overdrive capability. Delivering 741 horsepower and 703 ft.-lbs. of torque, it combines forged internals, large-port aluminum heads, a hydraulic roller cam, a 1250 CFM Holley carburetor, and a polished pulley kit with a complete 4L80E automatic transmission package for a powerful, swap-ready setup built to handle big cubic inches and brutal torque.

• BluePrint 598 delivers 741 horsepower and 703 ft.-lbs. of torque
• Polished pulley kit
• 1250 CFM Holley carburetor
• Forged crankshaft, forged pistons, large-port aluminum heads, and hydraulic roller cam
• Complete 4L80E automatic transmission package includes electronic controller, lockup capability, 3800-plus stall converter, flexplate, and starter

Block:

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

Rotating Assembly:

• BluePrint Forged Crankshaft
• 4.500" Stroke
• Forged H-beam 6.480" Connecting Rods
• Forged Pistons
• Internally Balanced Front and Rear

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:

• Pro Series Ready Run Distributor - BPP3503BK
• Thermostat and Thermostat Housing
• Harmonic Balancer - BPP454I
• 1250cfm Holley Carburetor
• Spark Plugs and Wires
• Electric Fuel Pump
• Intake Manifold
• Timing Cover
• Valve Covers
• Oil Pan
• Polished Pulley Kit - BPP454FDPSAC4
• Reverse Rotation Short Water Pump
• 1- Wire 140amp Alternator
• Peanut Style Air Conditioning Compressor
• Type II Power Steering Pump with Remote Reservoir

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