GM Small Block Compatible 383 c.i. Engine and TKX Manual Transmission - 436 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Fuel Injected
GM Small Block Compatible 383 c.i. Engine and TKX Manual Transmission - 436 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Fuel Injected
GM Small Block Compatible 383 c.i. Engine and TKX Manual Transmission - 436 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Fuel Injected
GM Small Block Compatible 383 c.i. Engine and TKX Manual Transmission - 436 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Fuel Injected
GM Small Block Compatible 383 c.i. Engine and TKX Manual Transmission - 436 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Fuel Injected
GM Small Block Compatible 383 c.i. Engine and TKX Manual Transmission - 436 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Fuel Injected

GM Small Block Compatible 383 c.i. Engine and TKX Manual Transmission - 436 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Fuel Injected

SKU: B383FKTKX

GM Small Block Compatible 383 c.i. Engine and TKX Manual Transmission - 436 Horsepower - Standard Edition Builder Series with Polished Pulley Kit - Fuel Injected

SKU: B383FKTKX

Horsepower & Torque: 436 Horsepower / 443 FT. LBS. Torque

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 10:1

Camshaft: Hydraulic Roller Cam - .544 Intake / .555 Exhaust and 230 Intake / 236 Exhaust Duration @ .050 – 110 LSA

Pistons: Hypereutectic

Crankshaft: Steel Crank - 3.750" Stroke and OEM Type 5.700" Rods

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Description:

  • Horsepower & Torque: 436 Horsepower / 443 FT. LBS. Torque
  • Compression Ratio: 10.0:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Cast Steel Crank
  • Hypereutectic Pistons

Block:

  • BluePrint Engines High Strength Cast Iron Block
  • Manufactured and Machined in the USA!
  • 4-Bolt Main
  • 4.000" Bore
  • 1-Piece Rear Main Seal
  • Mech Fuel Pump Provision: No
  • Passenger Side Dipstick
  • Drilled and Tapped for Clutch Linkage

Rotating Assembly:

  • New BluePrint Cast Steel Crankshaft
  • 3.750" Stroke
  • OEM Type 5.700" Connecting Rods w/ 150,000 PSI Bolts
  • Hypereutectic Pistons
  • Externally Balanced Front and Rear

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads - H8002K
  • 64cc Chamber
  • 2.02" Intake / 1.60" Exhaust Valves
  • 195cc Intake / 75cc Exhaust Runners

Cam Specs:

  • Cam Type: Roller
  • .544 Intake / .555 Exhaust Lift
  • 230 Intake / 236 Exhaust Duration
  • @ .050, 110 Degree Lobe Separation

Also Includes:

  • Intake Manifold Dual Plane, Satin Aluminum
  • Holley Sniper 2 EFI System
  • Valve Covers
  • Oil Pan
  • Timing Cover
  • EFI Fuel Pump Kit
  • Spark Plugs and Wires
  • Thermostat and Thermostat Housing
  • Oil Filter
  • Plug Wire Separators
  • Polished Front Accessory Drive with Water Pump, A/C Compressor, Alternator, and Power Steering Pump

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:

  • This engine features a true 4-inch bore, which mathematically yields 377 CID with a 3.75-inch stroke.
  • Package Ships assembled as pictured. 
  • 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.
  • The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.
  • 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: B383FKTKX

    Fuel Delivery Type: EFI

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

    Spark Plug Gap: .035"

    Harmonic Balancer: BPP400L - Weighted, 8" diameter

    Flexplate/Flywheel: Weighted, 1 pc RMS

    Stall Converter: 2400+

    Intake Manifold: Dual plane, satin aluminum

    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: 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 - 0-100 PSI