BluePrint Engines
BluePrint Engines Pro Series LS 427CI 605HP Deluxe Dressed Crate Engine w/Black Pulley Kit PSLS4273CTFKB
- Part Number:
- PSLS4273CTFKB
- MPN:
- PSLS4273CTFKB
- Availability:
- Ships from Manufacturer
- Shipping:
- Free Over $98 In U.S. 48
- Type:
- Crate Engines
- Block:
- High Strength Cast Iron (LSX Style) Block
- Cylinder Heads:
- Aluminum
- Crankshaft:
- Forged Steel Crankshaft
- Crankshaft Reluctor:
- 58x
- Crankshaft Stroke (in.):
- 4.125
- Rod Lenght (in.):
- 6.125
- Piston Bore (in.):
- 4.0685
- Piston Material:
- Forged
- Compression Ratio:
- 11:1
- Camshaft Included:
- Yes
- Electronics Included:
- Yes
- Quantity:
- Sold Individually
- Notes:
- This engine requires a non-weighted flex plate/flywheel.
- Notes:
- Holley terminator X MAX System supports transmission control, but requires additional Transmission harness such as BPP558405
Description
BluePrint Engines Pro Series LS 427CI 605HP Deluxe Dressed Crate Engine w/Black Pulley Kit PSLS4273CTFKB
Description:
- Horsepower & Torque: 605 Horsepower / 565 FT LBS
- Compression Ratio: 11:1
- Aluminum Heads
- Hydraulic Roller Cam
- Forged Crankshaft
- Forged Pistons
Block:
- BluePrint Engines High Strength Cast Iron (LSX Style) 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
- 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:
- Cam Type: Hydraulic Roller Cam
- .624 Intake / .624 Exhaust Lift
- 239 Intake / 255 Exhaust Duration
- @.050-114 Degree Lobe Separation
Ignition Timing:
- ECM Supplied with Calibration
Also Includes:
- Holley Terminator X Max - Gen IV Complete ECU/Harness EFI System
- 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
- Front Accessory Drive with Water Pump, A/C Compressor, Alternator, and Power Steering Pump
Engine Accessory Specs:
- 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:
- Holley terminator X MAX System supports transmission control, but requires additional Transmission harness such as BPP558405
- 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.
- BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning.
- 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.
BluePrint engine the industry's best-in-class warranty for 30-months / 50,000 miles — with the extra confidence only BluePrint can provide. The warranty applies to individual or professional installations and is fully transferable.
Every BluePrint engine is Dyno tested and has strict parameters to pass and
be shipped to the customer. All parts are tested before being released for production:
• DC and Pneumatic assembly tools calibrated daily
• Fatigue Testing
• Durability Testing
• Random subassembly testing
• Quality system is ISO 9001: 2015 certified
• Traceable engine “DNA” electronic barcode record keeping of
manufacturing and performance data
Warranty Information
Standard Warranty: 30-months / 50,000 Miles - Fully Transferrable
Extended Warranty: 48-months / Unlimited Miles - Fully Transferrable
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