GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted

GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted

SKU: B427KTKX

GM Small Block Compatible 427 c.i. Engine and TKX Manual Transmission - 540 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Carbureted

SKU: B427KTKX

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

/
  • Secure payments
  • Financing available at checkout with Affirm

*Pictured with custom Paint


Description:

  • Horsepower & Torque: 540 Horsepower / 535 FT. LBS. Torque
  • Compression Ratio: 10.0:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Forged Crank
  • Forged Pistons

Block:

  • BluePrint Engines High Strength Cast Iron Block
  • Manufactured and Machined in the USA!
  • 4-Bolt Main
  • 4.125" Bore
  • 1-Piece Rear Main Seal
  • Mech Fuel Pump Provision: Yes
  • Passenger Side Dipstick
  • Drilled and Tapped for Clutch Linkage

Rotating Assembly:

  • New 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:

  • Cam Type: 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
  • Polished Front Accessory Drive with Water Pump, A/C Compressor, Alternator, and Power Steering Pump
  • Satin Aluminum Intake Manifold 
  • Thermostat and Thermostat Housing
  • Electric Fuel Pump
  • Spark Plugs and Wires
  • Timing Cover
  • Valve Covers
  • Oil Pan

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: 0.68:1

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.
 

Your BluePrint engine was dyno tested with the parts and specifications listed below.  If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.

Part Number: B427KTKX

Fuel Delivery Type: 850 CFM Carburetor

Spark Plug: BPP7938 NGK 7938 BKR5E (.750 inch reach, 14mm thread, 5/8 hex, plug)

Spark Plug Gap: .035"

Harmonic Balancer: Non-Weighted

Flexplate/Flywheel: Non-weighted

Stall Converter: 2200+

Intake Manifold: N/A

Fuel Recommendation: 91 Octane

Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34°

Firing Order: 1,8,4,3,6,5,7,2

Notes: New BluePrint block manufactured and machined in the USA. Recommended break in oil for your BluePrint Crate Engine: BPP710, Not for EGR

Header Partners: 
Click here for our Header Partners and recommendations.

Click here to download a copy of the Installation Guide that came with your BluePrint engine.

BETTER THAN THE REST.

The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsepower and torque.

We give your BluePrint engine the industry's best-in-class warranty for 30-months / 50,000 miles — with the extra confidence only BluePrint can provide. Our warranty applies to individual or professional installations and is fully transferable.

For a detailed overview of our warranty, click here.

IT ALL COMES DOWN TO RESULTS.

We make sure we hit our target horsepower and proper torque with every crate engine. We use an advanced computerized balancer 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.

BRAGGING RIGHTS INCLUDED!

A comprehensive, dyno-generated printout showing these critical specs will accompany your delivered engine. 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 dyno results!

This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!

RECOMMENDED PRODUCTS:
BluePrint Engines Crate Engine Break-In Oil — 1 Quart
BluePrint Engines 10w30 Engine Oil - 1 Quart
TrueBlue Performance Octane Boost
BluePrint Engines TrueBlue Performance Octane Booster
BluePrint Engines TrueBlue UltraCool Antifreeze Coolant CONCENTRATE
BluePrint Engines TrueBlue Power Steering Fluid
BluePrint Engines TrueBlue Transmission Fluid UNIVERSAL ATF/MTF
GM SB and BB Compatible Oil Filter
Liquid Filled Fuel Pressure Gauge - 0-15 psi