GM Small Block Compatible 383 c.i. Engine and 700R4 Automatic Transmission 4WD Ready - 405 Horsepower - Truck Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 383 c.i. Engine and 700R4 Automatic Transmission 4WD Ready - 405 Horsepower - Truck Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 383 c.i. Engine and 700R4 Automatic Transmission 4WD Ready - 405 Horsepower - Truck Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 383 c.i. Engine and 700R4 Automatic Transmission 4WD Ready - 405 Horsepower - Truck Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 383 c.i. Engine and 700R4 Automatic Transmission 4WD Ready - 405 Horsepower - Truck Edition Builder Series with Polished Pulley Kit - Carbureted
GM Small Block Compatible 383 c.i. Engine and 700R4 Automatic Transmission 4WD Ready - 405 Horsepower - Truck Edition Builder Series with Polished Pulley Kit - Carbureted

GM Small Block Compatible 383 c.i. Engine and 700R4 Automatic Transmission 4WD Ready - 405 Horsepower - Truck Edition Builder Series with Polished Pulley Kit - Carbureted

SKU: B383K4WD

GM Small Block Compatible 383 c.i. Engine and 700R4 Automatic Transmission 4WD Ready - 405 Horsepower - Truck Edition Builder Series with Polished Pulley Kit - Carbureted

SKU: B383K4WD

Horsepower & Torque: 405 Horsepower / 446 FT. LBS. Torque

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 10:1

Camshaft: Hydraulic Roller Cam - .495 Intake / .502 Exhaust Lift and 220 Intake / 224 Exhaust Duration @ .050 – 114° LSA

Pistons: Hypereutectic

Crankshaft: Cast Steel – 3.750" Stroke and 5.700" Rods

/
  • Secure payments
  • Financing available at checkout with Affirm

**This package features a carbureted engine and automatic transmission. EFI and manual transmission pictured as rep image.

Description:

  • Horsepower & Torque: 405 Horsepower / 446 FT. LBS. Torque
  • Compression Ratio: 10.0:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Cast Steel Crank
  • Hypereutectic Pistons

Block:

  • NEW BluePrint Cast Iron Block
  • Manufactured and Machined in the USA!
  • 4-Bolt Main
  • 4.000" Bore
  • 1-Piece Rear Main Seal
  • Mech Fuel Pump Provision: Yes
  • 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
  • .495 Intake / .502 Exhaust Lift
  • 220 Intake / 224 Exhaust Duration
  • @ .050-114 Degree Lobe Separation 

Also Includes:

  • Intake Manifold Dual Plane, Satin Aluminum
  • 750cfm Carburetor
  • Valve Covers
  • Oil Pan
  • Timing Cover
  • Fuel Pump
  • 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 Transfer Case Ready 700r4 Automatic Transmission Package:

  • 700R4 Complete Package. Features 4wd 27 Spline Stub Shaft, and Transfer Case Ready, 4wd Case.
  • 2200-2400 Stall Torque Converter
  • Flex Plate
  • Starter

Notes:

  • This engine features a true 4-inch bore, which mathematically yields 377 CID with a 3.75-inch stroke.
  • 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.
  • Package Ships assembled as pictured. 
  • Due to numerous tire/rear gear combinations, this transmission does NOT ship with a speedometer gear or sender housing. 
  • Does not include a 2wd tail housing. Will have extended 4wd output shaft, designed for transfer case to bolt directly to transmission case. 
  • 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: B383K4WD

    Fuel Delivery Type: 750 CFM Carburetor

    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 - 0-15 psi