Our most powerful Big-Block
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.
PART NO. 19331585
727 HP @6300 RPM
680 LB/FT @4900 RPM
Ready to run
The ZZ572/720R’s true value lies in its ready-to-run status when delivered. Built with the best stuff we can find, it includes an all-forged rotating assembly, aluminum cylinder heads with 113-cc intake ports, and 2.25/1.88-inch valves.
Connect & Cruise Powertrain System
Connect & Cruise Crate Powertrain Systems provide factory-matched engine-and-transmission combinations that include specially calibrated controllers and wire harnesses designed for retrofit installations in older vehicles.
†Parts and labor warranty when installed by a GM Dealer or qualified installing independent Service Center (ISC) or when sold over the counter and REPAIRED by a GM Dealer or qualifying ISC. Parts only when consumer repaired or installed in non-highway application. Coverage limited to defects in material and/or workmanship of the specific part only. Warranty valid when all required components are installed on the same vehicle and purchased on one invoice.
††Must be purchased from a participating U.S. dealer or Chevrolet Performance Authorized Reseller. Mail-in rebate offer not available with other offers. See gmpartsrebates.com for details, applicable rebate amounts, and rebate form. Rebates must be submitted by 1/31/24. Rebates may be submitted over two invoices within 120 days of each other. Allow 6 to 8 weeks for delivery of debit card. Offer valid 1/1/23 to 12/31/23. Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Visit www.chevroletperformance.com/emissions for more details. Rebate form and details available at chevrolet.com/performance/offers.
Installation Guides
Find everything from vital data about your engine’s capabilities to how to install it into your build.
ZZ572-720R Deluxe Tech Specs
- Part Number: 19331585
- 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 88962926): Forged steel, shot peened
- Pistons (P/N 88963227): Forged aluminum
- Camshaft Type (P/N 19210722): 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
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