The ATK HP94C-EFI Chevy 383 Stroker Engine 415HP Complete paves way for smooth, consistent driving experience. No need for manual tuning, as the FiTech Self-Learning EFI system enables hassle-free cold starts and reliable performance regardless of elevation or change in parts. This crate engine offers a massive 415 horsepower and a rapid 460 ft.lb torque.

Engine Specifications:

• Horsepower: 415
  
• Torque: 460 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: OE Cast Crank 3.750" Stroke Externally Balanced Rear/Internal Front 1pc.
  
• Connecting Rods: Scat 4340 Forged I Beam 5.700" ARP 8740 Bolts
  
• Pistons: Hypereutectic
  
• Piston Rings: Moly Rings
  
• Compression Ratio: 9.7:1 Compression
  
• Camshaft: Hydraulic Roller
  
• Camshaft Specifications: 220/224 @050 .528in/.536ex 112LSA
  
• Camshaft Bearings: Installed & Clocked to OEM Position
  
• Cylinder Heads: Dart SHP American Made Aluminum 64cc/180cc 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.

Don't forget the engine paint!