SKU: B427FKTKX
BluePrint Engines GM Small Block Compatible 427 c.i. Pro Series Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series - Polished Pulley Kit - Fuel Injected
$21,299.00
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 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

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Financing available at checkout with Affirm

Overview:

BluePrint Engines’ GM Small Block Compatible 427 c.i. Pro Series Engine paired with a TKX Manual Transmission unleashes a commanding 540 horsepower with the precision and drivability of modern fuel injection. As part of the Standard Edition Builder Series, this package includes a polished pulley kit and premium, performance-grade components, giving builders a turnkey foundation engineered for strength, reliability, and excitement. Designed for drivers who want total control, crisp shifts, and instant throttle response, this 427/TKX combo brings pro-level power and an engaging, hands-on driving experience to any street machine or custom 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:

  • Satin Aluminum Intake Manifold - BPP427454INT
  • Holley Sniper 2 EFI System - BPP550-510-3XX
  • Pro Series Ready Run Distributor - BPP3503BK
  • Thermostat and Thermostat Housing
  • EFI Pump Kit - BPP5267
  • Valve Covers - BPP9518
  • 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 TKX Transmission Package:

  • Mcleod Super Street Pro Single Disk Clutch
  • Hydraulic Throw Out Bearing
  • Bell Housing
  • Billet Flywheel
  • Starter
    • First Gear Ratio: 2.87:1
    • Second Gear Ratio: 1.89:1
    • Third Gear Ratio: 1.28:1
    • Fourth Gear Ratio: 1.00:1
    • Fifth Gear Ratio: 0.81:1

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.
  • 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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