ATK Engines High Performance Short Block Small Block Chevy 383ci
059-SP53
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Small Block Chevy
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 Chevy 350ci engine, except 1992-1997 LT1 style engines
Bullet proof bottom end built to handle more power with its top of the line parts.
Block Information:
- Seasoned OE 4 bolt main 1pc seal 1996-2000 roller block, passenger side dipstick
- Bore/Stroke: 4.040" x 3.750"
- Displacement: 383ci
- 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 4340 Forged
- Balance: External rear (flexplate/flywheel), internal front (haromonic balancer)
- Rods: Scat 5.70" 4340 forged I beam with 8740 ARP bolts
- Compression Ratio: 58cc= 11.9:1 64cc= 11.1:1 / 70cc= 10.3:1
- Pistons: 2618 Forged flat top -5cc
- Rings: Plasmamoly
- Flexplate: External balance 168 tooth Included
Recommended Components:
- Balancer: Internal balance
- Flexplate/Flywheel: External balance (1987-Up 1 piece rear main)
- Head Gasket: .038" thickness or per application
- Oil: 10W30 Non synthetic
- Oil Filter: Wix or K&N per application
Specifications:
Are the internals balanced? What is the max rpm rating?
what parts from a gen 1 will swap over? heads, intake, water pump, oil pan, distributor?
Do you have a recommendation for a oil pump and oil?
What are the dimensions of this build LxWxH?
What is the rated horsepower/torque numbers for this block?
Does this short block have a warranty?
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.