PSLS4270SP engine

GM LS Compatible 427 c.i. ProSeries Engine - Short Block Plus

SKU: PSLS4270SP

GM LS Compatible 427 c.i. ProSeries Engine - Short Block Plus

SKU: PSLS4270SP

Compression Ratio: 11.1 with 70cc heads and Factory LS3 Head Gaskets - Pistons are 8cc Dish

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

Regular price $9,199.00
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Description:

  • New 427ci LS3 Shortblock Plus

Block:

  • New 6.2L Block

Rotating Assembly:

  • Forged Crank
  • 4.125" stroke and Forged 6.125" rods

    Cam Specs:

    • Roller Cam
    • .624 Intake / .624 Exhaust
    • 239 Intake / 255 Exhaust Duration @ .050 - 114 Degree Lobe Separation - 110 ICL - three bolt cam

    Also Includes:

    • Oil Pan
    • Timing Cover
    • Harmonic Balancer

      Notes:

      • Not for EGR.
      • 58x reluctor ring
      • Recommended Oil: BPP710 BluePrint Crate Engine Break In Oil
       

        Engine Accessory Specifications

        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: PSLS4270SP

        Fuel Delivery Type: N/A

        Spark Plug: N/A

        Spark Plug Gap: N/A

        Harmonic Balancer: Non-Weighted

        Flexplate/Flywheel: Non-Weighted

        Stall Converter: 2200+

        Intake Manifold: N/A

        Fuel Recommendation: N/A

        Timing (Initial/Total Advance): N/A

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

        Notes: 58x reluctor ring, Recommended break in oil for your BluePrint Crate Engine: BPP710, Not for EGR

        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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