ATK Chevy 383 Stroker Engine 500HP Complete EFI HP55C-EFI

Item #22607

ATK Chevy 383 Stroker Engine 500HP Complete EFI HP55C-EFI
HP55C-EFI ATK Chevy 383 Stroker Complete EFI Engine 500HP
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Get all the attention on the street with the immense power of this ATK HP55C-EFI Chevy 383 Stroker Engine 500HP Complete. Backed by FiTech Self-Learning EFI systems, you will have no trouble during cold starts, elevation or other harsh driving conditions. This crate engine offers a humongous 500 horsepower and 505 ft.lb torque.

Engine Specifications:

  • Horsepower: 500
  • Torque: 505 lbs./ft.
  • Block: Seasoned OE 4 Bolt Main 1pc Seal Roller Block P/S Dipstick
  • Bore/Stroke: 4.040 x 3.750
  • Displacement: 383 C.I.D.
  • Crankshaft: Scat 4340 Forged 3.750" Stroke Externally Balanced Rear/Internal Front 1pc.
  • Connecting Rods: Scat 4340 Forged H Beam 5.700" ARP 8740 Bolts
  • Pistons: Forged
  • Piston Rings: Moly Rings
  • Compression Ratio: 10:1 Compression
  • Camshaft: Hydraulic Roller
  • Camshaft Specifications: 237/245 @050 .597in/.597ex 112LSA
  • Camshaft Bearings: Installed & Clocked to OEM Position
  • Cylinder Heads: ATK/Pro-Filer aluminum 70cc/195cc 2.02/1.60
  • Freeze Plugs: Brass Installed & Sealed
  • Rocker Arms: Billet Roller Rockers 1.6 Ratio
  • Oil Galley Plugs: Installed & Sealed
  • Oil Pan: OE 5qt.
  • Weight: 430

ATK specializes in muscle. With the highest quality internal parts and Dyno Proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty.


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Contents

ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines with EFI


Specifications

Engine Information:

• Oil: 10W30
• Oil Filter: Wix or K&N Recommended Per Your Application
• Fuel Delivery: FITECH GO EFI 4-600HP (Matte Black)
• Intake Manifold: Edelbrock performer RPM air gap dual plane #7501
• Spark Plugs: Autolite #3923
• Spark Plug Gap: .035"
• Harmonic Balancer/Damper: PowerBond Internally Balanced 8" #PB1046-N
• Flex Plate / Flywheel: Externally Balanced 168 Tooth
• Timing: 34-36 Degrees Total
• Water Pump: Long Water Pump
• Firing Order: 1 8 4 3 6 5 7 2
• Exhuast: 1 3/4 Headers
• Fuel System: FITECH Inline Electric fuel pump kit, Command Center or Custom In Tank Electric pump system (No fuel system provided)
• Fuel: 91+ Octane
• Ignition: MSD HEI #8362
• Automatic Transmission Stall Converter: 2800+

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 for their application. Some modifications to the vehicle may be required using these and or other aftermarket parts.


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