Home / GM COMPATIBLE>LS>427 ci / BluePrint Motorsports GM LS Compatible 427 c.i. Pro Series Engine - Power Adder - Long Block - Available August / September
  • BluePrint Motorsports GM LS Compatible 427 c.i. Pro Series Engine - Power Adder - Long Block - Available August / September
  • BluePrint Motorsports GM LS Compatible 427 c.i. Pro Series Engine - Power Adder - Long Block - Available August / September
  • BluePrint Motorsports GM LS Compatible 427 c.i. Pro Series Engine - Power Adder - Long Block - Available August / September

BluePrint Motorsports GM LS Compatible 427 c.i. Pro Series Engine - Power Adder - Long Block - Available August / September

Quantity
ADD TO CART
BUY IT NOW
  • Detail
    • Detail

      **BluePrint Motorsports engines are built for maximum performance and are intended for extreme duty applications. Because of the high-stress nature of their use, these engines are sold without any warranty, expressed, or implied.

      Overview:

      BluePrint Motorsports introduces the ultimate 427ci LS Chevy-compatible long block, built for maximum Boosted horsepower on the drag strip, drifting circuits, off-road trails, and autocross courses. Featuring our high-strength LSX-style cast-iron block, this powerhouse will provide power and reliability.

      Description:

      • Horsepower & Torque: Dyno Results Coming Soon...
      • Compression Ratio: 11:1
      • BluePrint Engines LS3 Aluminum Heads
      • BluePrint Engines Hydraulic Roller Cam
      • BluePrint Engines Forged Crankshaft
      • Mahle 2618 Custom Forged Pistons

      Block:

      • BluePrint Engines High Strength Cast Iron (LSX Style) Block
      • Increased Deck Thickness and Strength Webbing
      • Utilizes OEM LS3 Front and Rear Covers
      • Improved Water Jacket Design
      • Extended Cylinder Skirt
      • 1-piece Rear Main Seal
      • Priority Main Oiling
      • 4.0695" Bore
      • 6-bolt Main

      Rotating Assembly:

      • Forged Crankshaft
      • 4.125" Stroke
      • Forged 6.125" Connecting Rods
      • Mahle Custom 2618 Forged Pistons
      • Internally Balanced Front and Rear

      Cylinder Heads:

      • BluePrint Aluminum Cylinder Heads - PS8015
      • 70cc Chamber
      • 2.165" Intake / 1.600" 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

      Also Includes:

      • This engine does NOT come with a Fuel Injection ECU and Wiring Harness
      • Harmonic Balancer
      • Valve Covers
      • LS Swap Oil Pan
      • Timing Cover

      Notes:

      • BluePrint Motorsports engines are built for maximum performance and are intended for extreme duty applications. Because of the high-stress nature of their use, these engines are sold without any warranty, expressed, or implied.
    • Description
      This engine is designed and manufactured to factory specs for the specified vehicles below. It's manufactured using tighter machining tolerances, higher quality components, and finer balancing of the rotating assembly to make this engine better than the original while still meeting the description of a “replacement” engine.
    • Warranty

      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.

    • Notes
      • Designed as factory replacement long block for specified vehicles and year ranges, using OEM specification parts. Customer to re-use existing intake manifold, ecu (if equipped), exhaust, fuel system etc. Modification or replacement of provided tinware, and minor accommodations such as dipstick location may be required.
      • Specifically designed as an OEM spec engine to meet emissions requirements of the specified vehicles, to meet the criteria of "replacement engine" in all 50 states.
      • If your vehicle was originally equipped with a 2-piece rear main seal crankshaft, a new flex plate or flywheel will be required. Note for those same early applications, this block features the dipstick on the Passenger side.
      • Must verify with application list linked above for fitment.
    • Also Includes
      • New Valve Covers
      • Rear Sump Oil Pan
      • Timing Cover
      • Harmonic Balancer

      Recommended Break in Oil: BPP710 (Click Here)

      Recommended Service Oil: BPP10W30 (Click Here)

      Recommended Oil Filter: BPP51061 (Click Here)

    • Ignition Timing
      • OEM Specifications
    • Cam Specs
      • Hydraulic Flat Tappet
      • OEM Spec Per Listed Vehicles
    • Cylinder Heads
      • Perimeter Bolt Iron Cylinder Heads
    • Rotating Assembly
      • Cast Crankshaft
      • 3.480" Stroke
      • Forged 5.700" Connecting Rods
      • OEM Spec Pistons
      • Internally Balanced Front - Externally Balanced Rear Engine
    • Customer Reviews
      No comments
      SEE ALL
  • Customer Reviews
    No comments
BACK