- Engines & Components
- Engine - Assembled / Ready-to-Run
- Chevrolet Performance ZZ572/720R Deluxe 572ci/727HP Crate Engine
An Assault Weapon for the Drag Strip!
Don't wait weeks or months for a custom drag race engine. The ZZ572/720R is the king of all Rat engines from Chevrolet Performance! Make no mistakes, this engine is built and intended to propel your bracket racer down the drag strip with ferocity. The ZZ572/720R is fully assembled by the horsepower gurus at Chevrolet. You simply bolt it in, add fuel and power. Its ready to rumble.
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The engine assembly is all business, starting with a brand-new, latest-generation block casting with four-bolt main caps and an all forged rotating assembly for exceptional strength and durability. A unique mechanical roller camshaft with .714''/ .714'' lift and 278°/ 282° duration specs works great with the 310cc rectangle intake ports, 118cc raised exhaust ports and 118cc combustion chamber aluminum cylinder heads. Moving big air through the engine efficiently makes huge power!
If you're building a dual-purpose street and strip car, the ZZ572/720R is suitable for some limited street prowling. It has a 12.0:1 compression ratio, so make sure you've got access to 110-octane fuel before hitting the local cruise nights!
ZZ572/720R DELUXE TECH SPECS:
- Engine Type: Chevy Tall Deck Big-Block V-8
- Displacement: 572ci
- Bore x Stroke: 4.560'' x 4.375''
- Block: Cast-iron with four-bolt main caps
- Crankshaft: Forged steel
- Connecting Rods: Forged steel, shot-peened
- Pistons: Forged aluminum
- Camshaft Type: Mechanical roller
- Camshaft Lift: .714'' intake / .714'' exhaust
- Camshaft Duration (@.050 in.): 278° intake / 282° exhaust
- Cylinder Heads: Aluminum rectangle port, 118cc combustion chambers
- Valve Size: 2.250'' intake / 1.880'' exhaust, stainless steel
- Compression Ratio: 12.0:1
- Rocker Arms: Aluminum roller rockers
- Rocker Arm Ratio: 1.7:1
- Distributor: Electronic ignition
- Carburetor: 1150 cfm Dominator
- Water Pump: Aluminum, short-style
- Spark Plugs and Wires: Included
- Recommended Fuel: Race Gas (110 octane)
- Ignition Timing: 35° Total @ 4000 rpm
- Maximum Recommended RPM: 6750
- Balanced: Internal