Engine - GM (19331585)

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  • GM
  • 19331585
  • Engine
  • 19201334
Manufacturer Warranty Minimum of 12 Months
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Product Details

  • A 10-second car is quick, but the ZZ572/720R could achieve that with a couple of its spark plugs left in the pits. It is the king of all Rat engines and is capable of pulling your bracket racer or heads-up challenger down the 1320 in the 9-second range.
    The ZZ572/720R's true value lies in its ready-to-run status when delivered. Rather than waiting weeks for a racing engine shop to build a custom combination, we deliver the ZZ572/720R fully assembled; just bolt on the included Dominator-style 1150-cfm carburetor, along with a starter and fuel pump (not included) and you're ready to go.
    The ZZ572/720R is built with the best stuff we can find, including an all-forged rotating assembly, rectangular-port aluminum cylinder heads with 113-cc intake ports, and 2.25/1.88-inch valves. There's also a solid roller camshaft with 0.714/0.714-inch lift.
    If you're building the ultimate dual-purpose car, the ZZ572/720R is suitable for limited forays on the street. It has a 12.0:1 compression ratio, so make sure you've got access to 110-octane gasoline before hitting the local cruise night!
    Specifications:
    Part Number: 19201334
    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 four-bolt main caps
    Crankshaft (P/N 88961554): Forged steel
    Connecting Rods (P/N 19170198): Forged steel, shot peened
    Pistons (P/N 88963227): Forged aluminum
    Camshaft Type (P/N 24502611): Mechanical roller
    Camshaft Lift (in.): .714 intake / .714 exhaust
    Camshaft Duration (@.050 in.): 278° intake / 282° exhaust
    Cylinder Heads (P/N 88961160): Aluminum rectangular port, 118-cc chambers
    Valve Size (in.): 2.250 intake / 1.880 exhaust stainless steel
    Compression Ratio: 12:1
    Rocker Arms (P/N 12361323): Aluminum, roller style
    Rocker Arm Ratio: 1.7:1
    Distributor (P/N 10093387): Electronic ignition
    Carburetor (P/N 19170096): 1150-cfm Dominator
    Water Pump (P/N 19168602): Aluminum, short-style
    Spark Plugs and Wires: Included
    Recommended Fuel: 110-octane race gas
    Ignition Timing: Base 8° BTDC, 36° Total Maximum
    Recommended rpm: 6750
    Balanced: Internal
    Installation Notes
    Due to crate fitment, the carburetor is shipped in a separate box 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, ignition coil, and fuel pump (not included)
    Gen VI tall-deck block has machined mechanical fuel pump boss
    Comes with a 14-inch 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
    Big sticky slicks will help hook up this monster
    This is a Chevrolet Performance product.

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