ATK Chevy 489 Stroker Engine 565HP Base HP411P

Complete building your muscle car or workhorse with this ATK Chevy 489 Stroker Engine. Boasting a massive 565 horsepower and 595 lb/ft torque, this engine will leave you fully satisfied with its tremendous power and acceleration. Forged I-beam connecting rods and forged pistons make this crate engine highly reliable and durable.

Engine Specifications:

• Horsepower: 565
  
• Torque: 595 lb/ft
  
• Block: Seasoned OE 4 Bolt Main 1pc Seal Gen V 1991-1995
  
• Bore/Stroke: up to 4.310 x 4.250
  
• Displacement: 489 C.I.D.
  
• Crankshaft: Scat Nodular Iron 4.250" Stroke Internally Balanced 1pc
  
• Connecting Rods: Scat 4340 Forged I Beam 6.385" ARP 8740 Bolts
  
• Pistons: Forged Small Dome
  
• Piston Rings: Moly Rings
  
• Compression Ratio: 10.1:1 Compression
  
• Camshaft: Hydraulic Roller
  
• Camshaft Specifications: 237/245 @050 .635in/.640ex 112LSA
  
• Camshaft Bearings: Installed & Clocked to OEM Position
  
• Cylinder Heads: Edelbrock Aluminum E-Street 110cc/290cc 2.19/1.88
  
• Freeze Plugs: Brass Installed & Sealed
  
• Rocker Arms: Billet Aluminum 1.7 Full Roller
  
• Oil Galley Plugs: Installed & Sealed
  
• Oil Pan: OE 5qt.
  
• Weight:510
  

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!