ATK Chevy 383 Stroker Engine 415HP Complete HP94C-EFI

The ATK HP94C-EFI Chevy 383 Stroker Engine 420HP 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: 420
  
• Torque: 465 lbs./ft.
  
• Block: OE roller block 4 bolt main 1pc seal 1996-2000
  
• Bore/Stroke: 4.040 x 3.750
  
• Displacement: 383 C.I.D.
  
• Crankshaft: Scat Nodular Iron external balance rear of crank/internal balance front of the crank
  
• Connecting Rods: Scat 4340 Forged I Beam 5.700" ARP 8740 Bolts
  
• Pistons: Hypereutectic 9.7:1 Compression
  
• Piston Rings: Moly Rings
  
• Compression Ratio: 9.7:1 Compression
  
• Camshaft: Hydraulic Roller
  
• Camshaft Specifications: 220/224 @050 .528in/.536ex 110LSA
  
• Camshaft Bearings: Installed & Clocked to OEM Position
  
• Cylinder Heads: ATK High Performance aluminum with 2.020 in. /1.600 ex. valves
  
• Freeze Plugs: Brass Installed & Sealed
  
• Rocker Arms: Billet Roller Rockers 1.6 Ratio
  
• Oil Galley Plugs: Installed & Sealed
  
• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s).
  
• 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!