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GM Big Block ZZ572/720R Deluxe Engines

Description

Engine Size

HP

Torque

Page

MSRP

JRGMPARTS.com

12498827 or 19201334

GM Big Block ZZ572/720R Deluxe Engines

572 cu in

720

685

70

$18,856.00

 

$14,092.00
 

The ultimate beast!

Make no mistake, the ZZ572/720R is a race motor. It delivers a resounding 720 horsepower and 685 lb.-ft. of torque—creating at the same time the most powerful big block crate engine ever offered by GM Performance Parts. Not only will we ship all of that to your door, but we’ll even give you a 12-month GM Performance Parts warranty!

We took the ultra-popular ZZ572/620 pump gas street engine added 12:1 compression pistons, a hotter camshaft, and our rectangular-port aluminum Bowtie heads with stiffer valve springs to work with the new cam. The block is the Gen VI tall-deck Bowtie block which was designed for the 572" application. The solid roller camshaft is a .714" lift magic maker that aggressively feeds the air/fuel mixture into the hungry, high-squeeze, stroker big block. This creates a rev-happy monster that rocks to a 6750 rpm redline, leaving the competition in its wake.

The ZZ572/720R is rated at 720 horsepower at 6250 rpm and 685 lb.-ft. of torque at 4500 rpm. The short block is built with the best heavy-duty parts in the GM Performance Parts part bin, including a 4340 forged steel crankshaft, shot-peened forged steel rods, forged aluminum pistons with full-floating wrist pins, stiff dual valve springs, and a louvered oiling windage tray. Our Deluxe ZZ572/720R ships with a Holley four-barrel carburetor, tall-deck single-plane intake manifold, HEI distributor, aluminum short-style water pump, and 8mm spark plug wires. Distinctive “572 CHEVROLET” cast aluminum valve covers complete the package. GM Performance Parts integrated, durability-tested, and validated this combination to the described performance levels, and all you need is a GM Performance Parts lightweight starter to fire it up!

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POSSIBLE APPLICATIONS*

Build a solid 9-second bracket car A street car with no equal A show car that shakes the trophies out of the judge’s pocket

*Applications have not been validated. They are merely suggestions of how you might enjoy your GM Performance Parts crate engine Some applications may affect engine warranty. See page 384 for specific warranty information. Some applications may not be emission legal; check state and local ordinances.

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