ATK SP19 Chevy LQ4 6.0L Short Block OE Dish Pistons



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  • $370 Core charge - $370.00


Engine Specifications:
• Block: Seasoned 6.0L LQ4
• Year Rang: 2001-2007
• Bore/Stroke: 4.030” x 3.622”
• Displacement ( 371
• Crankshaft: OEM GM 24 tooth Reluctor wheel
• Rods: OEM GM Forged Powder Metal
• Pistons: Stock Hypereutectic -6.7cc dish with no valve reliefs
• Compression Ratios: 64cc = 10.0:1 / 68cc = 9.6:1 / 72cc = 9.2:1 (can vary due to deck height/gasket thickness)
• Rings: Plasmamoly
• Camshaft Bearings: Installed & Clocked to OEM Position
• Freeze Plugs: Installed & Sealed
• Oil Galley Plugs: Installed & Sealed

Recommended Components:
• Balancer- Internal balance
• Flex plate/ Flywheel- Internal balance
• Head Gasket: .051” or per application

Engine Info:
• Oil: 5W30 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application
Notes: Crankshaft flange is .857” thick.


Disclaimer: The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. 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.


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