Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted
Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted
Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted
Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted
Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted
Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted
Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted
Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted
Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted
Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted
Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted
Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted

Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted

SKU: BF427K4R7C

Ford Small Block Compatible 427 c.i. Engine and 4R70W Automatic Transmission - 541 Horsepower - Cobra Edition Builder Series - Polished Pulley Kit - Carbureted

SKU: BF427K4R7C

Horsepower & Torque: 541 Horsepower / 519 FT. LBS. Torque

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 10:1

Camshaft: Hydraulic Roller Cam - .608 Intake / .608 Exhaust and 248 Intake / 258 Exhaust Duration @ .050 – 114 LSA

Pistons: Forged

Crankshaft: Forged Crank – 4.000" Stroke and Forged 6.250" Rods

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Description: 

  • Horsepower & Torque: 541 Horsepower / 519ft. lbs. Torque
  • Compression Ratio: 10.0:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Forged Crank
  • Forged Pistons

Block:

  • DART SHP Block Machined in the USA!
  • 4-Bolt Main
  • 4.125" Bore
  • 1-Piece Rear Main Seal
  • 9.500 Deck Height

Rotating Assembly:

  • New Forged Crankshaft
  • 4.000" Stroke
  • Forged 6.250" Connecting Rods
  • Forged Pistons
  • Internally Balanced

Cylinder Heads:

  • Aluminum Cylinder Heads 
  • 60cc Chamber
  • 2.02" Intake / 1.60" Exhaust Valves
  • 205cc Intake / 70cc Exhaust Runners

Cam Specs:

  • Cam Type: Roller
  • .608 Intake / .608 Exhaust Lift
  • 248 Intake / 258 Exhaust Duration
  • @.050-114 Degree Lobe Separation

Also Includes:

  • Ribbed 427 Cobra Aluminum Valve Covers
  • Holley 870 cfm Carburetor
  • Harmonic Balancer
  • Spark Plugs & Wires
  • Plug Wire Separators
  • Timing Cover
  • Powder Coated 9qt. Oil Pan
  • Thermostat and Thermostat Housing
  • Oil Filter
  • Fuel Pump
  • Accessory Drive with A/C Compressor, Water Pump, Alternator, and Power Steering Pump

Assembled with Complete 4R70W Automatic Transmission Package:

  • Includes Electronic Transmission Controller
  • Transmission built to 650 HP
  • 2200-2600 Stall Torque Converter
  • Flex plate
  • Starter
  • 4 Speed, Overdrive transmission w/Lockup
  • GEAR RATIOS
    • First: 2.84 :1.
    • Second: 1.55 :1.
    • Third: 1.00 :1.
    • Overdrive: 0.70 :1.
    • Reverse: 2.32 :1.

Notes:

  • Package Ships assembled as pictured. 
  • Does not include TPS, as varies with carb or EFI type. 
  • Note that 4R70W transmission may require modifications/replacement of driveshaft, transmission mount, exhaust routing, etc. 
  • IF THIS IS BEING ORDERED FOR A FACTORY FIVE VEHICLE, STOP AND CALL US AT 1-800-483-4263 FOR PROPER FITMENT OR VISIT FACTORYFIVEENGINES.COM
 

    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: BF427K4R7C

    Fuel Delivery Type: Carbureted, 870cfm

    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: Single Plane, Satin Aluminum

    Fuel Recommendation: 91 Octane

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

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

    Recommended Break in Oil: BPP710 (Click Here)

    Recommended Service Oil: BPP10W30 (Click Here)

    Recommended Oil Filter: BPP21085 or BPP51515 (Click Here)

    Total Oil Capacity with Production Oil Pan and Correct Filter: 9-Quarts

    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
    Chrysler and Ford SB Compatible Oil Filter - Standard Size
    Liquid Filled Fuel Pressure Gauge - 0-100 PSI
    1/8" NPT Brass 90 Degree Pipe Fitting
    Chrysler and Ford Small Block Compatible Oil Filter - Space Saver Size