Description
LSXceleration 408CI 6.0L Stroker 2001-2007 LQ4 Short Block -18cc Dish 24x by ATK – Boost/Nitrous Ready
Engine Specifications:
• Block: Seasoned 6.0L LQ4 with ARP main studs
• Year Range: 2001-2007
• Bore/Stroke: 4.030” x 4.000”
• Displacement (cu.in): 408
• Crankshaft: Manley 4340 forged 24 tooth reluctor wheel
• Rods: Manley 4340 forged H beam 6.125” ARP 2000 bolts
• Pistons: Manley 2618 forged -18cc dished moly skirt coated
• Rings: Total Seal CS AP with steel top rings gapped for boost/nitrous
• Compression Ratios: 64cc = 10.2:1 / 68cc = 9.9:1 / 72cc = 9.5:1 (can vary due to deck height/gasket thickness)
• 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
• Oil Pump: Melling 10295 with high pressure spring
Engine Info:
• Oil: 10W40 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application
Notes:ATK’s Boost/Nitrous short blocks are meant for engines running these setups. Bearing clearances and ring gap have been taken into consideration for this series of short blocks.
Disclaimer:The recommended components to be used to obtain the power figures listed 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. We reserve the right to substitute parts used in engines if necessary.
