ATK Chevy 383 Stroker Engine 500HP Base HP55

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.

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 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.

Don't forget the engine paint!