GM Marine 572 (8.9L) V8 620 HP

Specifications:

Displacement Liter/CID: 8.1L/496
HP: 620 hp @ 5500 rpm / 650 lb-ft @ 4500 rpm
Cylinder/Configuration: V-8
Bore & Stroke (in): 4.47x 4.00in
Bore & Stroke (mm): 113.54x101.60
Compression Ratio: 9.6:1
Standard rotation 

Materials:

Block: Cast Iron
Cylinder head: Aluminum
Main bearing caps: 4 -Bolt Cast Iron
Crankshaft: Forged 4340 Steel 
Camshaft: Marine Profile

• High Performance
• Remanufactured Engine
• OEM Spec