ZZ572/620 DELUXE

621 HP @5,400 RPM/ 645 LB-FT TORQUE @4,200 RPM
price: $18,968
part number: 19331583
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    The most powerful Big-Block street engine from Chevrolet Performance. Designed, engineered, tested, and backed by Chevrolet, the ZZ572/620 is the ultimate expression of Chevrolet Performance capability. We built the ZZ572 with huge 4.560-inch bores and add a forged 4.375-inch-stroke crankshaft. To make sure those cylinders are packed with every cubic inch worth of atmosphere, we use a camshaft with incredible 0.632/0.632-inch lift and254/254-degree duration specifications. Chevrolet Performance delivers the ZZ575/620 Deluxe with an 850-cfm carburetor, HEI distributor, aluminum water pump, and distinctive orange power-coated valve covers that proudly proclaim the 572 legend.

    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

    • 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?

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