SKU: B427K700
BluePrint Engines GM Small Block Compatible 427 c.i. Engine and 700R4 Automatic Transmission - 540 Horsepower - Standard Edition Builder Series - Polished Pulley Kit - Carbureted
$18,899.00
427 c.i. 540 Horsepower Builder Series

Horsepower & Torque: 540 Horsepower / 535 ft. lbs. Torque

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 10:1

Camshaft: Hydraulic Roller Cam - .577 Intake / .577 Exhaust and 240 Intake / 248 Exhaust Duration @.050–112 LSA

Pistons: Forged

Crankshaft: Forged Steel Crank – 4.000" Stroke and Forged 6.000" Rods

Fuel Recommendation: 91+ Octane

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Financing available at checkout with Affirm

Overview:

BluePrint Engines’ GM Small Block Compatible 427 c.i. Engine paired with a 700R4 Automatic Transmission delivers a bold 540 horsepower with classic carbureted attitude. Part of the Standard Edition Builder Series, this package comes complete with a polished pulley kit and premium components, offering the perfect mix of vintage small-block character and modern reliability. Built for drivers who want effortless cruising, authoritative throttle response, and head-turning performance, this engine and transmission combo is ready to bring serious muscle to any build.

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
  • 64cc 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:

  • Holley 850cfm Double Pumper Carburetor w/ Manual Choke - BPP04781S
  • Satin Aluminum Intake Manifold - BPP427454INT
  • Pro Series Ready Run Distributor - BPP3503BK
  • Thermostat and Thermostat Housing
  • BluePrint Valve Covers - BPP9518
  • Spark Plugs and Wires
  • Electric Fuel Pump
  • 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.

WARNING: Cancer and Reproductive Harm
Bragging Rights Included.

EVERY BLUEPRINT ENGINE ACES THE DYNO TEST

We make sure we hit our target horsepower and proper torque with every crate engine. We use an advanced computerized balancer in our in-house dyno testing rooms to get our rotating assemblies within two grams, ensuring silky smooth power over the entire RPM range. That’s precisely why our engines sound and run better than our competitors.

All specs, zero speculation: A comprehensive, dyno-generated printout showing your critical engine specs will accompany your delivered engine — every time. No more guessing or wondering what your installed engine’s real-world peak horsepower and torque ratings actually are. Any doubters in the crowd? Simply flash ‘em your exact engine’s dyno results.

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