Chevrolet Performance 19331581 Chevy ZZ572/620 Engine Includes:

• Long-Block Assembly
• Cylinder Heads
• Oil Pan
• Damper
• Front Cover
• Flexplate

Chevrolet Performance 19331581 Chevy ZZ572/620 Engine Specs:

• Engine Type: Chevy Tall-Deck Big-Block V-8
• Displacement (cu in.): 572
• Bore x Stroke (in.): 4.560 x 4.375
• Block (19212195): Cast-iron with 4-bolt main caps
• Crankshaft (88961554): Forged steel
• Connecting Rods (88962926): Forged steel, shot peened
• Pistons (88962925): Forged aluminum
• Camshaft Type (19210721): Hydraulic roller
• Camshaft Lift (in.): .632 intake/.632 exhaust
• Camshaft Duration @.050 in: 254° intake/264° exhaust
• Cylinder Heads (19331429): Aluminum rectangular port, 118 cc chambers
• Valve Size (in.): 2.250 intake/1.88 exhaust; stainless steel
• Compression Ratio: 9.6:1
• Rocker Arms (19210726): Aluminum roller style
• Rocker Arm Ratio: 1.7:1
• Recommended Fuel: Premium pump
• Ignition Timing: 36° Total at 4000 RPM
• Maximum Recommended RPM: 6000
• Balanced: Internal

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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