ATK Core Return Process
JEGS and ATK appreciate your business and want to ensure that your core return is as smooth as possible.

Please CLICK HERE for ATK Core Return Process

This short block is meant for a mild street build or a replacement for a worn short block.

Engine Information:

• Block: Seasoned 6.0L Cast #364 or 184
• Bore/Stroke: 4.030 in. x 3.622 in.
• Year Range: 2001-2007
• Camshaft Bearings: Installed and clocked to OEM position
• Freeze Plugs: Installed and sealed
• Oil Galley Plugs: Installed and sealed

Rotating Assembly: 

• Crankshaft: OE 3.622 in. stroke internally balanced 24 tooth reluctor wheel
• Rods: OE  Forged Powder Metal 6.093 in. with stock bolts
• Pistons: OE Hypereutectic Flat Top with no valve reliefs
• Piston Rings: Moly rings
• Compression Ratio: 64 cc = 10.7:1 / 68 cc = 10.2:1 / 72 cc = 9.4:1

Recommend Components: 

• Harmonic Balancer: Stock, Internally balanced
• Flexplate: Stock, Internally balanced

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Please CLICK HERE for ATK Warranty