ATK Jeep 4.7 Stroker Engine 205HP 1987-1990 Base HP25

Boost the power of your old automobile with this ATK Jeep 4.7 Stroker Engine. Its 205 horsepower increases the potential of the vehicle, while the cast iron cylinder head ensures better reliability. This crate engine works by using the stock parts of your exhausted 4.0l jeep engine, and is suitable for all 1987-1990 models.

Engine Specifications:

• Horsepower: 205
  
• Torque: 280 lb/ft
  
• Block: Seasoned OE Block Cast #665 or 535
  
• Bore/Stroke: 3.915" or 3.935" x 3.895"
  
• Year Range: 1987-1990
  
• Displacement: 4.6L / 4.7L
  
• Crankshaft: Scat Nodular Iron 3.895" Stroke / 2.125 Snout .850 Pilot Hole
  
• Connecting Rods: OE
  
• Pistons: Hypereutectic Dished
  
• Piston Rings: Moly Rings
  
• Compression Ratio: 9.3:1 Compression
  
• Camshaft: Hydraulic Flat Tappet
  
• Camshaft Specifications: 206/212 @050 .462in/.478ex 113LSA
  
• Camshaft Bearings: Installed & Clocked to OEM Position
  
• Cylinder Heads: 1987-1990 Cast #686
  
• Freeze Plugs: Brass Installed & Sealed
  
• Rocker Arms: Stamped Steel
  
• Oil Galley Plugs: Installed & Sealed
  
• Oil Pan: OE 6qt.
  
• Weight:397
  

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!