Give the incredible rev and power your car deserves with this ATK HP55 Chevy 383 Stroker Engine 500HP Base. A monstrous combination of 500 horsepower and a peak torque of 505 ft.lb brings out the beast to the tracks. It is shaped with robust bulletproof components to endure such power for reliable performance.
- 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 Flat Top
- Piston Rings: Moly Rings
- Compression Ratio: 10.1:1 Compression
- Camshaft: Hydraulic Roller
- Camshaft Specifications: 237/245 @050 .597in/.597ex 112LSA
- Camshaft Bearings: Installed & Clocked to OEM Position
- Cylinder Heads: Pro-Filer Aluminum 70cc/195cc 2.02/1.60
- Freeze Plugs: Brass Installed & Sealed
- Rocker Arms: Billet Aluminum 1.6 Full Roller
- Oil Galley Plugs: Installed & Sealed
- Oil Pan: OE 5qt.
- Weight: 350
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.
ATK High Performance GM 383 Stroker 500 HP Stage 1 Long Block Crate Engines
• Oil: 10W30
• Oil Filter: Wix or K&N Recommended Per Your Application
• Fuel Delivery: Quick Fuel Carburetor 750cfm #Q-750
• 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 Pump: Holley 110GPH Mechanical #12-327-11
• Fuel: 91+ Octane
• Ignition: MSD Pro Billet #85551
• Automatic Transmission Stall Converter: 2800+
• Balancer: Internal balance 8"
• Carburetor: Quick Fuel 750cfm mechanical secondary no choke #793-Q-750
• Distributor: Pro billet (iron gear)
• Intake Manifold: Edelbrock Performer RPM Air Gap #350-7501
• Fuel Pump: Holley Mechanical 110gph #510-12-327-11
• Spark Plugs: Autotile #417-3923
• Spark Plug Wires: 8mm
• Water Pump: Weiand Action+ long pump #925-9240
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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