SKU: PS4272CTC1
BluePrint Engines GM Small Block Compatible 427 c.i. Pro Series Engine - 540 Horsepower - Base Dressed - Carbureted
$10,799.00
427 c.i. 540 Horsepower Base Dress

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 Lift 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

Secure Payments
Financing available at checkout with Affirm

Overview:

BluePrint Engines’ GM Small Block Compatible 427 c.i. Pro Series Engine delivers a commanding 540 horsepower in a base dressed, carbureted package built for serious performance enthusiasts. As part of the Pro Series lineup, this engine features premium components, precision machining, and race-inspired engineering to provide explosive power, crisp throttle response, and unwavering reliability. With its classic carbureted setup and proven small-block foundation, the 427 Pro Series is the perfect choice for builders who want raw horsepower, exceptional craftsmanship, and a performance platform ready to elevate any hot rod, muscle car, or custom project.

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
  • Pro Series Ready Run Distributor - BPP3503BK
  • Intake Manifold - BPP427454INT
  • BluePrint Valve Covers - BPP9518
  • BluePrint Dipstick - BPP9420
  • Spark Plugs and Wires
  • Harmonic Balancer
  • Timing Cover
  • Oil Pan

Notes:

  • Not for use in pollution-controlled vehicles.

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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