ATK HP93 Chevy LQ4 6.0L Base Engine 460HP

Item #31973

Made in the USA
ATK HP93 Chevy LQ4 6.0L Base Engine 460HP
HP93 ATK Chevrolet 6.0 H.P. 01-07 Engine Long Block
* ** THIS ITEM IS TEMPORARILY OUT OF STOCK *** FREE SHIPPING on ATK Engines. This item ships directly from the manufacturer and is not available for store pickup. Some engines are made-to-order or can be backordered. Delivery can be delayed up to 5 to 6 weeks but typically ship within 2 weeks.

*Truck Freight Delivery Notice - Driver will only deliver this item to your curb. It is your responsibility to transport the item from curb to your garage.

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ATK HP93 Chevy LQ4 6.0LBase Engine, or Stage 1 Engine, is designed for those that may have their own component parts already and who also are interested in completing out the build themselves. A GM base engine typically consists of the following: Short Block, Camshaft, Timing set, Cylinder heads, Valve covers, Timing cover, oil pan, oil pump & pick up tube.

Engine Specifications:

  • HP: 460
  • TQ: 470
  • Block: OE LQ4/6.0L Iron
  • Bore/Stroke: up to 4.040 x 3.622
  • Displacement ( up to 371
  • Crankshaft: OE GM 24 tooth reluctor wheel
  • Rods: OE powder metal
  • Pistons: Hypereutectic 9.51 compression
  • Rings: Moly
  • Camshaft: Hyd. Roller
  • Cam Specs: Custom performance grind
  • Timing Chain: OE single roller
  • Cylinder Heads: OE aluminum 71cc/210cc 2.00/1.55
  • Rocker Arms: OE 1.7 ratio
  • Oil Pump: Melling STD Volume
  • This engine was designed to be a performance upgrade for LS based vehicles or perfect for a 2001-2007 Chevy Truck LQ4 or LS swap in a hot rod. Expect big mid to upper end power, will have a noticeable idle. For optimal Performance you will need headers, chassis dyno tune and 36lb injectors. Your engine may not necessarily come with all components listed, but they are listed as our recommendations of parts to run for optimal performance.

    ATK specializes in muscle. With the highest quality internal parts and Dyno Proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty.

    Don't forget the engine paint!
    Engine Paint


    (1) ATK HP93 Chevy LQ4 6.0L Base Engine 460HP


    Engine Information:

    • Oil: Conventional / Non Synthetic 10W30
    • Oil Filter: Wix or K&N
    • Timing: Set to factory specifications via PCM module (ECM TUNING REQUIRED).
    • Spark Plug Gap: .040”
    • Firing Order: 18726543
    • Octane: 91+
    • Stall Converter: 1800+
    • Exhaust: 1 5/8 Headers
    Notes: This engine replaces the 2001-2007 Chevy 6.0L LQ4 engine. ECM MUST BE TUNED, not doing so can damage the engine.

    Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. . ATK reserves the right to substitute parts used in engines if necessary.


    Recommended Components:

    • Flexplate/Flywheel: Stock internally balanced
    • Balancer: Stock internally balanced/per application
    • Intake Manifold: Stock EFI intake
    • Water Pump: Per application
    • Fuel Pump: Stock electric
    • Fuel Injectors: 36lb injectors
    • Spark Plugs: NGK #3186
    • Spark Plug Wires: Factory


    Shipping is free and lift gate will be provided.

    You will receive warranty information and how to return the core in the mail direct from ATK separate from the delivery of the engine.

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