ATK Chevy 383 Stroker Engine 500HP Mid Dress HP55M

Be it a drag racing or a cruise down the streets, this ATK HP55M Chevy 383 Stroker Mid-Dress Engine 500HP has got everything you need. It is hand assembled by experts using rugged bulletproof components to last longer, while delivering peak performance. This crate engine produces 500 horsepower and 505 ft.lb torque for improves speed, acceleration and consistency.

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: 375
  

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!