Name: GM LS Compatible 427 c.i. ProSeries Engine - 605 HP - Deluxe Dressed - Controller - Black Pulley Kit - Fuel Injected
Brand: BluePrint Engines
SKU: PSLS4273CTFKB
Price: 17049.0 USD
Availability: InStock

GM LS Compatible 427 c.i. ProSeries Engine - 605 HP - Deluxe Dressed - Controller - Black Pulley Kit - Fuel Injected

Horsepower & Torque: 605 Horsepower / 565 FT. LBS. Torque

Cylinder Heads: BluePrint Engines LS3 Aluminum Cylinder Heads

Compression Ratio: 11:1

Camshaft: Hydraulic Roller Cam - .624 Intake / .624 Exhaust Lift and 239 Intake / 255 Exhaust Duration @ .050 - 114° LSA - Three Bolt Cam

Pistons: Forged

Crankshaft: Steel Crank - 4.125" Stroke and 6.125" Rods

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GM LS Compatible 427 c.i. ProSeries Engine - 605 HP - Deluxe Dressed - Controller - Black Pulley Kit - Fuel Injected

PSLS4273CTFKB

Description:

Horsepower & Torque: 605 Horsepower / 565 FT LBS
Compression Ratio: 11:1
Aluminum Heads
Hydraulic Roller Cam
Forged Crank
Forged Pistons

Block:

BluePrint Engines High Strength Cast Iron 6.2L Block
Increased Deck Thickness and Strength Webbing
Extended Cylinder Skirt
Priority Main Oiling
4.0685" Bore
6-Bolt Main
1-Piece Rear Main Seal
Improved Water Jacket Design
Utilizes OEM LS3 Front and Rear Covers.

Rotating Assembly:

New Forged Crankshaft
4.125" Stroke
Forged 6.125" Connecting Rods
Forged Pistons
Internally Balanced Front and Rear

Cylinder Heads:

BluePrint Aluminum Cylinder Heads - PS8015
69cc Chamber
2.165" Intake / 1.590" Exhaust Valves
259cc Intake / 102cc Exhaust Runners

Cam Specs:

Hydraulic Roller
.624 Intake / .624 Exhaust Lift
239 Intake / 255 Exhaust Duration
@.050-114 Degree Lobe Separation

Ignition Timing:

ECM Supplied with Calibration
Not Capable of Transmission Control
Transmission Controller Required

Also Includes:

Drive by Wire Throttle Body
GM Plastic Intake Manifold
42# Injectors and Returnless Fuel Rail
Harmonic Balancer
Valve Covers
LS swap Oil Pan
Timing Cover
Coil Packs
Spark Plug and Wires
Wiring Harness
GM Controller
Gas Pedal
Front Accessory Drive with Water Pump, A/C Compressor, Alternator, and Power Steering Pump

Notes:

This engine requires a non-weighted flex plate/flywheel.
Recommended Fuel: 91 Octane
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.
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 LS controller package is for engine control only. Does not contain any transmission or body control. The ECU comes with calibration that is optimal for our engine, however, please note that vehicle parameters such as gearing, tire size, vehicle weight, air intake, headers, etc. may necessitate additional tuning once installed into your specific vehicle. The included ECU is unlocked for further refinement at your local dyno shop if required.
BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning.

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: PSLS4273CTFKB

Fuel Delivery Type: Electronic Fuel Injected

Spark Plug: AC Delco 41-985

Spark Plug Gap: .040"

Harmonic Balancer: Non-Weighted

Flexplate/Flywheel: Non-Weighted

Stall Converter: 2200+

Intake Manifold: GM Plastic Intake

Fuel Recommendation: 91- 93 Octane

Timing (Initial/Total Advance): Ignition timing and spark advance are controlled by Powertrain Control Module

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

Notes: Recommended break in oil for your BluePrint Crate Engine: BPP710. Not for EGR.Universal fit oil pan. Also includes sensors, coil packs and wiring harness, and a new ECM with our custom tune installed, drive by wire throttle body and matching throttle pedal.

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 10w30 Engine Oil - 1 Quart