GM LS Compatible 376 c.i. ProSeries Engine - 549 HP - Base Dressed - Fuel Injected
GM LS Compatible 376 c.i. ProSeries Engine - 549 HP - Base Dressed - Fuel Injected
GM LS Compatible 376 c.i. ProSeries Engine - 549 HP - Base Dressed - Fuel Injected
GM LS Compatible 376 c.i. ProSeries Engine - 549 HP - Base Dressed - Fuel Injected

GM LS Compatible 376 c.i. ProSeries Engine - 549 HP - Base Dressed - Fuel Injected

SKU: PSLS376EFI

GM LS Compatible 376 c.i. ProSeries Engine - 549 HP - Base Dressed - Fuel Injected

SKU: PSLS376EFI

HP & Torque: 549 HP / 469 FT. LBS

Cylinder Heads: BluePrint Engines LS3 Aluminum Cylinder Heads

Compression Ratio: 10.7:1

Camshaft: Hydraulic Roller Cam - .612 Intake / .585 Exhaust Lift and 225 Intake / 238 Exhaust Duration @ .050 - 113° LSA - Three Bolt Cam

Pistons: Hypereutectic

Crankshaft: Nodular Iron Crank - 3.622" Stroke and 6.125" Rods

Regular price $11,449.00
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Description:

  • HP & Torque: 549 HP / 469 FT LBS
  • Compression Ratio: 10.7:1
  • BluePrint LS3 Aluminum Heads
  • Hydraulic Roller Cam

Block:

  • New 6.2L LS Aluminum 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 LS3 Aluminum Cylinder Heads - PS8015
  • 72cc chamber
  • 2.165" intake/1.600" exhaust valves
  • 259cc intake/102cc exhaust runners

Cam Specs:

  • Cam Type: Roller Cam
  • .612 Intake .585 Exhaust
  • 225 Intake / 238 Exhaust duration
  • @ .050 - 113-degree lobe separation, 110 ICL

Ignition Timing:

  • Ignition timing and spark advance are controlled by BluePrint Engine Calibrated ECU
  • Transmission controller required (ECU does not offer trans control)

Also Includes:

  • Valve covers, retro fit oil pan, and timing cover
  • 87mm LT4 DBW Throttle Body
  • Complete engine Harness and ECU kit
  • LS3 fabricated intake manifold
  • Injectors and fuel rail kit
  • Coil packs
  • Spark plugs and wiring harness
  • Water pump
  • Harmonic Balancer 
  • All sensors required for engine to run
  • Gas pedal

Notes:

  • This engine requires a non-weighted flex plate/flywheel
  • Recommended fuel: 91 Octane
  • BluePrint Engines recommends a 2200+ RPM stall converter
  • Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars
  • Not for use in pollution-controlled vehicles or in dry sump applications
  • The Included BluePrint Engines LS controller package contains a fully tested, calibrated, locked ECU, optimized for this specific engine. This package has undergone extensive testing for performance, reliability and the safety of you and your engine.

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: PSLS376EFI

Fuel Delivery Type: Electronic Fuel Injection

Spark Plug: Champion 3015

Spark Plug Gap: .040"

Harmonic Balancer: Non Weighted

Flexplate/Flywheel: Non Weighted

Stall Converter: 2200+

Intake Manifold: GM LS3 Fabricated

Fuel Recommendation: 91 Octane

Timing (Initial/Total Advance): Controlled by BluePrint Engines ECU

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

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

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
$9.95
BluePrint Engines 10w30 Engine Oil - 1 Quart
$9.95
TrueBlue Performance Octane Boost
BluePrint Engines TrueBlue Performance Octane Booster
$29.95
Gen IV LS and 2009+ Gen III Hemi Compatible Oil Filter
$12.95
EFI Fuel Pump Kit 526-7 - For Holley 550-510 and 550-511
$499.95
Holley EFI In-Tank Retrofit Fuel Pump - 450 LPH - Return Style
$735.95
EFI Billet Aluminum Fuel Pressure Bypass Regulator - 40-75 PSI and -6AN ORB
$94.95
Liquid Filled Fuel Pressure Gauge - 0-100 PSI
$18.99
LS Air Intake Kit
$125.99
GM LSX Compatible Starter – Delco Style - OEM Finish
$155.95
168-Tooth Steel Flex Plate - 1-Piece Rear Main Seal - OEM LS 1-Piece Balance - 4L60E/4L70E - GM LS Compatible
$159.95
168-Tooth Nodular Iron Flywheel - 6-Bolt Crank - 11" or 12" Clutch - GM LS Compatible
$299.95
BluePrint Parts – GM LS Compatible Water Neck – 45°
$34.95
BluePrint Parts – GM LS Compatible Water Neck – Straight
$34.95
GM LS Compatible Front Accessory Drive - Full Serpentine with Alternator | AC | Power Steering | Water Pump | Brackets and Bolts
from $2,299.00
GM LS Compatible Front Accessory Drive - Full Serpentine with Alternator | Power Steering | Water Pump | Brackets and Bolts
from $2,149.00
GM LS Compatible Front Accessory Drive - Full Serpentine with Alternator | AC | Water Pump | Brackets and Bolts
from $2,149.00