GM LS Compatible 376 c.i. Engine and 4L65/70E Automatic Transmission 4WD Ready - 495 HP - Truck Edition Builder Series with Polished Pulley Kit - Fuel Injected
GM LS Compatible 376 c.i. Engine and 4L65/70E Automatic Transmission 4WD Ready - 495 HP - Truck Edition Builder Series with Polished Pulley Kit - Fuel Injected
GM LS Compatible 376 c.i. Engine and 4L65/70E Automatic Transmission 4WD Ready - 495 HP - Truck Edition Builder Series with Polished Pulley Kit - Fuel Injected
GM LS Compatible 376 c.i. Engine and 4L65/70E Automatic Transmission 4WD Ready - 495 HP - Truck Edition Builder Series with Polished Pulley Kit - Fuel Injected
GM LS Compatible 376 c.i. Engine and 4L65/70E Automatic Transmission 4WD Ready - 495 HP - Truck Edition Builder Series with Polished Pulley Kit - Fuel Injected
GM LS Compatible 376 c.i. Engine and 4L65/70E Automatic Transmission 4WD Ready - 495 HP - Truck Edition Builder Series with Polished Pulley Kit - Fuel Injected
GM LS Compatible 376 c.i. Engine and 4L65/70E Automatic Transmission 4WD Ready - 495 HP - Truck Edition Builder Series with Polished Pulley Kit - Fuel Injected
GM LS Compatible 376 c.i. Engine and 4L65/70E Automatic Transmission 4WD Ready - 495 HP - Truck Edition Builder Series with Polished Pulley Kit - Fuel Injected

GM LS Compatible 376 c.i. Engine and 4L65/70E Automatic Transmission 4WD Ready - 495 HP - Truck Edition Builder Series with Polished Pulley Kit - Fuel Injected

SKU: BLS376K4X4

GM LS Compatible 376 c.i. Engine and 4L65/70E Automatic Transmission 4WD Ready - 495 HP - Truck Edition Builder Series with Polished Pulley Kit - Fuel Injected

SKU: BLS376K4X4

HP & Torque: 495 HP / 490 FT. LBS

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 10.7:1

Camshaft: Hydraulic Roller Cam - .553 Intake / .553 Exhaust Lift and 218 Intake / 224 Exhaust Duration @ .050 – 113° LSA

Pistons: Hypereutectic

Crankshaft: Nodular Iron – 3.622" Stroke and 6.098" Rods

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Description:

  • HP & Torque: 495 HP / 490 FT LBS
  • Compression Ratio: 10.7:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Nodular Iron Crankshaft
  • Hypereutectic Pistons

Block:

  • New GM Aluminum 6.2L block
  • OEM Block Machined in the USA!
  • 6-Bolt Main
  • 1-Piece Rear Main Seal

Rotating Assembly:

  • Nodular Iron crankshaft
  • 3.622" Stroke
  • 6.098" connecting rods w/ 150,000 psi bolts
  • Hypereutectic Pistons
  • Internally Balanced

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads -PS8015
  • 72cc chamber
  • 2.165" intake/1.600" exhaust valves
  • 259cc intake/102cc exhaust runners

Cam Specs:

  • Cam Type: Roller Cam
  • .553 Intake .553 Exhaust
  • 218 Intake / 224 Exhaust duration
  • @ .050 - 113-degree lobe separation, 110 ICL

Also Includes:

  • Complete ECU, Harness, and DBW Pedal Kit
  • GM Musclecar Swap Oil Pan
  • DBW Throttle Body
  • Loaded Intake Manifold
  • Fuel Injectors and Rail
  • Coil Packs
  • Spark Plugs and Wires
  • Water pump
  • Harmonic Balancer 
  • Installed Complete Polished front accessory Drive. WP, Alt, P/S, A/C, all belts and pulleys. 

Assembled with Complete 4l65/70e 4 Speed Automatic Transmission Package:

  • 4L65/70E Complete Package
  • 4wd Ready Case with 4WD output shaft
  • Electronic transmission controller included
  • 2200-2400 Stall Torque converter
  • Flex plate
  • Starter
  • Does NOT include transfer case* Uses common 4L60/70, 6 bolt transfer case mounting.

Notes:

  • BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the above ECU / tuning. 
  • Ideal for 1/2 ton, 4WD pickups with 3:90 or numerically higher rear gears, and 33-inch tires, and light towing.  
  • This is NOT intended for heavy duty application or heavy towing.
  • Engine/Trans Package Ships assembled
 

    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: BLS376K4X4

    Fuel Delivery Type: Fuel Injection

    Spark Plug: Champion 3015

    Spark Plug Gap: .040"

    Harmonic Balancer: Non Weighted

    Flexplate/Flywheel: Non Weighted

    Stall Converter: 2200+

    Intake Manifold: N/A

    Fuel Recommendation: 91 Octane

    Timing (Initial/Total Advance):

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

    Notes: Recommended break in oil for your BluePrint Crate Engine: BPP710

    Engine features a 58x reluctor wheel and 4x cam sensor. Knock sensor provision located on side of block. Cam sensor located in timing cover. utilizes EV6 type injector

    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)!

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    BluePrint Engines Crate Engine Break-In Oil — 1 Quart
    BluePrint Engines 10w30 Engine Oil - 1 Quart
    GM Gen IV LS Compatible Oil Filter
    EFI Billet Aluminum Fuel Pressure Bypass Regulator - 40-75 PSI and -6AN ORB
    Liquid Filled Fuel Pressure Gauge - 0-100 PSI
    LS Air Intake Kit