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  • Crate Engine, ZZ 572, 621 HP, Big Block Chevy, 19331583

Crate Engine, ZZ 572, 621 HP, Big Block Chevy, 19331583

SKU: 19331583
$16,304.82
$16,304.82
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per item

OUR BADDEST BIG-BLOCK STREET ENGINE

Proving the adage there’s no replacement for displacement, the ZZ572/620 is the ultimate expression of Chevrolet Performance’s engineering capability, wrapped up in a soul-stirring combination of performance and attitude. We build the ZZ572/620 with huge 4.560-inch bores and a 4.375-inch stroke to help it deliver 621 hp and a stunning 645 lb.-ft. of grunt!

Strength comes from a latest-generation tall-deck block casting with four-bolt main caps and an all-forged rotating assembly, while high-flow aluminum rectangular-port cylinder heads with massive 310cc intake passages, 118cc raised exhaust ports and 118cc combustion chambers process tremendous airflow. A hydraulic roller camshaft with incredible 0.632/0.632-inch lift and 254/264-degree duration specifications optimizes the airflow volume enabled by the large-port heads.

Chevrolet Performance delivers this Big-Block with an 850-cfm carburetor, HEI distributor, aluminum water pump and distinctive orange powder-coated valve covers that proudly proclaim the 572 legend.

TECH SPECS

Part Number: 19331583

Engine Type: Chevy Tall-Deck Big-Block V-8

Displacement (cu in): 572

Bore x Stroke (in): 4.560 x 4.375

Block (P/N 19212195): Cast-iron with 4-bolt main caps

Crankshaft (P/N 88961554): Forged steel

Connecting Rods (P/N 88962926): Forged steel, shot peened

Pistons (P/N 88962925): Forged aluminum

Camshaft Type (P/N 19210721): Hydraulic roller

Camshaft Lift (in): .632 intake / .632 exhaust

Camshaft Duration (@.050 in): 254° intake / 264° exhaust

Cylinder Heads (P/N 19331429): Aluminum rectangular port, 118cc chambers

Valve Size (in): 2.250 intake / 1.88 exhaust; stainless steel

Compression Ratio: 9.6:1

Rocker Arms (P/N 19210726): Aluminum roller style

Rocker Arm Ratio: 1.7:1

Distributor (P/N 88961867): HEI

Carburetor (P/N 19170095): 850-cfm

Water Pump (P/N 19168602): Aluminum, short-style

Spark Plugs and Wires: Included

Flexplate (P/N 12561217): 14"

Recommended Fuel: Premium pump

Ignition Timing: 36° Total at 4,000 rpm

Maximum Recommended rpm: 6,000

Balanced: Internal

Intake Manifold (P/N 88961161): Single Plane

INSTALLATION NOTES

• Due to crate fitment, the carburetor is shipped uninstalled and needs to be installed by an engine installer

• Clutch linkage boss is now drilled and tapped. When using cast-iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads, for clearance

• Requires addition of starter and fuel pump (not included)

• Gen VI tall-deck block has machined mechanical fuel pump boss

• Comes with a 14" automatic transmission flexplate. Requires internally balanced flywheel for manual transmission applications

• Designed for pre-1976 street vehicles or any off-road vehicle

• Not intended for marine applications

• You do have a strong transmission and rear axle, don’t you?

NOTE: Distributor with melonized steel gear MUST be used with long-blocks and Partial engines with steel camshafts, or engine damage will occur.

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  • Home
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    • 1967 Firebird
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