Chevrolet Performance ZZ572/620 Deluxe Turn Key Pump Gas Crate Motor - 621 HP/645 LB-FT - Ultimate Street Engine - 572ci Monster

The Ultimate Street/Strip Big-Block - Proving There's No Replacement for Displacement

The ZZ572/620 Deluxe is the ultimate expression of Chevrolet Performance's engineering capability, delivering 621 horsepower and a stunning 645 lb-ft of torque. This engine combines huge displacement with modern technology for uncompromising big-block performance.

Key Specifications:

• Part Number: 19331583
• Engine Type: Gen VI Big-Block V-8
• Displacement: 572 cu in (9.4L)
• Bore x Stroke: 4.560" x 4.375"
• Power: 621 horsepower at 5,500 rpm
• Torque: 645 lb-ft at 4,500 rpm
• Compression Ratio: 9.6:1
• Maximum RPM: 6,000 recommended

Engine Construction:

• Latest-generation tall-deck block casting with 4-bolt main caps
• All-forged rotating assembly including forged steel crankshaft, shot-peened forged steel connecting rods, and forged aluminum pistons
• Gen VI one-piece rear main seal design
• Cast iron block with exceptional strength for high-performance applications

Cylinder Head Technology:

• High-flow aluminum rectangular-port cylinder heads with massive 310cc intake passages, 118cc raised exhaust ports and 118cc combustion chambers
• Stainless steel valves: 2.250" intake / 1.88" exhaust
• Tremendous airflow capability for maximum power production

Extreme Camshaft Specifications:

• Hydraulic roller camshaft with incredible 0.632/0.632-inch lift and 254°/264° duration specifications
• Optimizes airflow volume enabled by large-port heads
• Broad power curve with excellent street manners

Deluxe Package Includes:

• 850-cfm carburetor, HEI distributor, aluminum water pump, and distinctive orange powder-coated valve covers
• 14" automatic transmission flexplate
• Complete ready-to-run configuration

Installation Requirements:

• Due to crate fitment, the carburetor is shipped uninstalled and needs to be installed by an engine installer
• Requires internally balanced flywheel for manual transmission applications
• Premium pump gasoline recommended with 36° total ignition timing at 4,000 rpm
• Designed for pre-1976 street vehicles or any off-road vehicle