ATK Chevy 383 Vortec Stroker Engine 380HP Base HP33

Highly powerful and reliable, this ATK HP33 Chevy 383 Vortec Stroker Engine is ideal for daily drivers or hot rods. Hand-built using finest components, this engine has 380 horsepower and 460 lb/ft torque to offer great speeding and accelerating capability. This long block crate engine includes cast iron cylinder heads, oil pan, valve covers and timing cover.

Engine Specifications:

• Horsepower: 380
  
• Torque: 460 lb/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 Nodular Iron 3.750" Stroke Externally Balanced Rear/Internal Front 1pc.
  
• Connecting Rods: Scat 4340 Forged I Beam 5.700" ARP 8740 Bolts
  
• Pistons: Hypereutectic Dished
  
• Piston Rings: Moly Rings
  
• Compression Ratio: 9.5:1 Compression
  
• Camshaft: Hydraulic Roller
  
• Camshaft Specifications: 220/224 @050 .495in/.502ex 112LSA
  
• Camshaft Bearings: Installed & Clocked to OEM Position
  
• Cylinder Heads: Dart Cast Iron 67cc/165cc 2.02/1.60
  
• Freeze Plugs: Brass Installed & Sealed
  
• Rocker Arms: Stamped Steel 1.5 Ratio
  
• Oil Galley Plugs: Installed & Sealed
  
• Oil Pan: OE 5qt.
  
• Weight:410
  

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!