ZZ572 - 621hp Big Block Chevy Crate Engine 19331583 572ci - Yes

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CHEVROLET PERFORMANCE'S BADDEST BIG-BLOCK STREET ENGINEProving 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 SPECSPart Number: 19331583Engine Type: Chevy Tall-Deck Big-Block V-8Displacement (cu in): 572Bore x Stroke (in): 4.560 x 4.375Block (P/N 19212195): Cast-iron with 4-bolt main capsCrankshaft (P/N 88961554): Forged steelConnecting Rods (P/N 88962926): Forged steel, shot peenedPistons (P/N 88962925): Forged aluminumCamshaft Type (P/N 19210721): Hydraulic rollerCamshaft Lift (in): .632 intake / .632 exhaustCamshaft Duration (@.050 in): 254° intake / 264° exhaustCylinder Heads (P/N 19331429): Aluminum rectangular port, 118cc chambersValve Size (in): 2.250 intake / 1.88 exhaust; stainless steelCompression Ratio: 9.6:1Rocker Arms (P/N 19210726): Aluminum roller styleRocker Arm Ratio: 1.7:1Distributor (P/N 88961867): HEICarburetor (P/N 19170095): 850-cfmWater Pump (P/N 19168602): Aluminum, short-styleSpark Plugs and Wires: IncludedFlexplate (P/N 12561217): 14"Recommended Fuel: Premium pumpIgnition Timing: 36° Total at 4,000 rpmMaximum Recommended rpm: 6,000Balanced: InternalIntake 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.