Want to build your own mean street machine? The ATK HP98 Chevy 350CI Engine 345HP Base will be the perfect heart to your muscle car. It generates 345 horsepower and 400 ft.lb torque, while maintaining excellent street manners. Producing enough vacuum, this crate engine supports all power accessories including power brakes.

Engine Specifications:

• Horsepower: 345
  
• Torque: 400 lbs./ft.
  
• Block: Seasoned OE 4 Bolt Main 1pc Seal Roller Block P/S Dipstick
  
• Bore/Stroke: 4.040 x 3.480
  
• Displacement: 350 C.I.D.
  
• Crankshaft: OE Cast Crank 3.480" Stroke Externally Balanced Rear/Internal Front 1pc.
  
• Connecting Rods: OE Powder Metal 5.700" Stock Bolts
  
• Pistons: Hypereutectic
  
• Piston Rings: Moly Rings
  
• Compression Ratio: 9.1:1 Compression
  
• Camshaft: Hydraulic Roller
  
• Camshaft Specifications: 220/224 @050 .495in/.502ex 110LSA
  
• Camshaft Bearings: Installed & Clocked to OEM Position
  
• Cylinder Heads: Dart Cast Iron 75cc/165cc 1.94/1.50
  
• 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!