ATK Chevy 350CI 87 Octane Engine 365HP Mid Dress HP91M

Experience the power of a muscle car in your old ride by using this ATK HP91M Chevy 350CI 87 Octane Engine 345HP Mid Dress. It is hand built and balanced by experts with quality parts that promise reliable performance. 365 horsepower and 400 ft.lb torque offer a monstrous boost that is perfect for the street or strip.

Engine Specifications:

• Horsepower: 365
  
• 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 Dished
  
• Piston Rings: Moly Rings
  
• Compression Ratio: 8.9:1 Compression
  
• Camshaft: Hydraulic Roller
  
• Camshaft Specifications: 220/224 @050 .528in/.536ex 112LSA
  
• Camshaft Bearings: Installed & Clocked to OEM Position
  
• Cylinder Heads: ATK American Made Aluminum 64cc/185cc 2.02/1.60
  
• Freeze Plugs: Brass Installed & Sealed
  
• Rocker Arms: Stamped Steel 1.6 Ratio
  
• 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!