ATK Engines High Performance Short Block Small Block Chrysler 408ci
059-SP61
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Small Block Chrysler
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
NOTE:
- Core return can be any Small Block Chrysler 360ci engine
This short block is designed to be a strong foundation for high horsepower street/strip engine builds.
Block Information:
- 1993-2001 Seasoned OE Magnum Block
- Bore/Stroke: 4.040" x 4.000"
- Displacement: 408ci
- Camshaft Bearings: Dura-Bond, installed and clocked to OEM position
- Freeze Plugs: Brass, installed and sealed
- Oil Galley Plugs: Installed and sealed
Rotating Assembly:
- Crankshaft: Scat nodular iron
- Balance: Internally
- Rods: Scat 4340 forged I beam with ARP 8740 bolts
- Compression Ratio: 62cc= 9.7:1 / 68cc= 9.2:1 / 72cc= 8.9:1
- Pistons: Hypereutectic dished -23.5cc
- Rings: Plasmamoly
Recommended Components:
- Balancer: Internal balance
- Flexplate/Flywheel: Internal balance
- Head Gasket: .048" thickness or per application
- Oil: 10W30 Non syntheitc for first 3000 miles
- Oil Filter: Wix or K&N per application
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
Specifications:
Fits 72 Dodge Demon motor mounts?
Will this short block handle 8# of boost?
Will la series heads work on this block
What Hp is this short block rated for?
Can I run a carb on this engine or is it designed for fuel injection? And if so, what heads, intake and carb is recommended?
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.