ATK Engines HP103 Chrysler Gen III 5.7L Hemi, 2003-08 with MDS

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