ATK HP103T (NON MDS) Gen III 2003-2008 5.7L Hemi 400HP+

$4,799.00

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Quantity
SKU: HP103T Categories: ,

Description

Engine Specifications:
• HP: 400
• TQ: 400
• Block: Gen III Hemi 2003-2008
• Bore/Stroke: 3.920 x 3.580 (Bored)
• Displacement: 345CI / 5.7L
• Crankshaft: OE Cast
• Rods: OE
• Pistons: Hypereutectic 9.6:1 compression
• Rings: Moly
• Camshaft: Comp Cams Hyd. Roller
• Cam Specs: 216/220 @50 .528/.531 113LSA
• Timing Chain: OE
• Cylinder Heads: OE Hemi 85cc/161cc 2.00/1.50 OHV
• Rocker Arms: OE Shaft mount

Engine Info:
• Oil: Conventional / Non synthetic 5W/20
• Oil Filter: Wix or K&N
• Timing: Per OE Specifications
• Tuning: Computer ECM Tuning REQUIRED
• Spark Plug Gap: .035”
• Firing Order: Per OE Specifications
• Octane: 91+
• Stall Converter: Stock
• Exhaust: 1 5/8 Headers

 

Notes:
• TRUCK only applications WITHOUT MDS-MDS holes are plugged.
• An ECM Tune is required. A complete check of the fuel system is HIGHLY recommended to avoid fueling issues that can lead to fuel wash and other catastrophic failures that are not covered under warranty (Injectors, Pump, Filters, Etc). With this camshaft Comp Cams made 47HP+ over the factory ratings and had strong mid-range gains.

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.

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