Overview:

BluePrint Engines’ GM Small Block Compatible 427 c.i. Pro Series Engine paired with a 700R4 Automatic Transmission unleashes a commanding 540 horsepower with modern, fuel-injected precision. As part of the Standard Edition Builder Series, this powerhouse package features a polished pulley kit and premium, pro-grade components, delivering a turnkey blend of brutal performance, reliability, and show-ready style. Built for enthusiasts who want big-inch torque, effortless drivability, and the confidence of a fully matched engine-and-transmission combo, this 427 Pro Series package transforms any build into a high-performance street machine ready to dominate the pavement.

Description:

• Horsepower & Torque: 540 Horsepower / 535 ft. lbs. Torque
• Compression Ratio: 10.0:1
• 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
  
• Manufactured and Machined in the USA!
• Drilled and Tapped for Clutch Linkage
• Mech Fuel Pump Provision: Yes
• Passenger Side Dipstick
• 1-Piece Rear Main Seal
  
• 4-Bolt Main
• 4.125" Bore
  

Rotating Assembly:

• BluePrint Forged Crankshaft
• 4.000" Stroke
• Forged 6.000" Connecting Rods
• Forged Pistons
• Internally Balanced Front and Rear 

Cylinder Heads:

• BluePrint Aluminum Cylinder Heads - HP8103
• 66cc Chamber
• 2.08" Intake / 1.60" Exhaust Valves
• 220cc Intake / 67cc Exhaust Runners

Cam Specs:

• Hydraulic Roller
• .577 Intake / .577 Exhaust Lift
• 240 Intake / 248 Exhaust Duration
• @ .050-112 Degree Lobe Separation

Ignition Timing:

• Initial Timing 10-16° and Total Timing 32-34°

Also Includes:

• Single Plane Satin Aluminum Intake Manifold - BPP427454INT
  
• Pro Series Ready Run Distributor - BPP3503BK
• Holley Sniper 2 EFI System - BPP550-510-3XX
  
• Thermostat and Thermostat Housing
• BluePrint Valve Covers - BPP9518
• EFI Fuel Pump Kit - BPP5267
  
• Spark Plugs and Wires
• Timing Cover
• Oil Pan
  
• Polished Front Accessory Drive - BPP350FDACPS4
  • Reverse Rotation Short Water Pump
  • Type II Power Steering Pump
  • Remote Power Steering Pump Reservoir
  • 140amp 1-wire Alternator
  • 7B10 Peanut Style Air Conditioning Compressor

Assembled with Complete 700R4 Automatic Transmission Package:

• 700R4 Complete Package
• 2200-2400 Stall Torque Converter
• Flex Plate
• Starter

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.
• Not for use in pollution-controlled vehicles.
• Due to numerous tire/rear gear combinations, this transmission does NOT ship with a speedometer gear, or sender housing. 
• The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.