Great classic look engine package to start your LS swap. Our LS3 505HP makes 509HP @ 6400 & 470 ft-lbs @ 4500 with a lopey idle street cam and good vacuum.

Ohio Speed Shops engine packages are built as ordered so we can provide you personalized options and service.

Ohio Speed Shops Dyno Tested LS3 505HP Deluxe Engine Package Includes:

  • FREE 48 State Truck Freight Shipping
  • Initial engine break-in on engine dyno prior to test and tuning
  • Engine Dyno Tested and Tuned
  • Limited 2 year / 50,000 mile parts & labor warranty for street registered/licensed vehicles
  • Assembled using a brand new Chevrolet Performance LS3 Crate Engine
  • MSD engine harness & controller (setup and tuned during engine dyno)
  • Holley 850CFM street HP carb (setup and tuned during engine dyno)
  • Fuel inlet
  • Air Cleaner
  • Installed Black Military Weapons Grade Anodized and Polished A/C, P/S & 160amp Alt Serpentine Drive System
    (A/C Delete - $350.00)
    (P/S Delete - $240.00)
  • Cast aluminum coil covers
  • New HD Starter with bolts
  • 14” Auto Trans Flexplate
  • Your choice of oil pan: Holley 302-1, Holley 302-2, Holley 302-3, GM F/body, Corvette C6 or Chevy Performance Musclecar Pan


    Power: 509 HP @ 6400 RPM, 470 ft. lbs. of torque @ 4500 RPM
    Compression Ratio: 10.7:1
    Recommended Fuel: 92 Octane
    Maximum Recommended RPM: 6600
    Recommended Torque Converter Stall 2400-2800

    When it comes to factory-engineered performance and convenience, nothing beats Ohio Speed Shop’s one package / one part number / one price powertrain packages..

    The self-learning engine controllers are designed for retrofit installations in older vehicles, for easier and quicker installation and more importantly operation without the need for third-party tuning.

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    Dyno Tested LS3 505HP Carb Engine Package OSSLS3505DCB

    Product Information

    • $12,750.00

    Tags: Free 48 State Truck Freight Shipping!