Chevrolet Performance Crate Engine ZZ572 Street 572 CID 620 HP Long Block 19331581

HORSEPOWER: 620 at 5500 rpm

TORQUE: 650 FT. Lbs at 4500 RPM

Maximum Recommended RPM: 6000

Compression Ratio: 9.6:1

The new ZZ572/620 is built around an all-new Gen VI tall deck Bow Tie big block. This all new engine is filled with a forged 4340 steel crank with 4.375 inch stroke, shot peened, forged 4340 H-beam rods, and forged aluminum pistons with full floating wrist pins. Hard core race parts for hard core long term durability!

The redesigned rectangular port aluminum cylinder heads result in a pump gas friendly 9.6 to 1 compression ratio. A hydraulic roller cam with 0.632 inch lift actuates the stainless steel valves. And, of course, hardened chromemoly retainers, roller rocker arms, and dual valve springs are used to complete the valvetrain.

This engine makes 620 horsepower at 5500 RPM and 650 ft. lbs. of torque at 4500 RPM.

Pump gas friendly, massive torque and horsepower, all from GM, the ZZ572/620 is for those who consider excess to be barely enough.

GM Crate Engines are horsepower rated to SAE Standards.

Technical Notes: This engine has a Mechanical Fuel Pump Provision.

This engine is internally balanced.

This engine (Long Block)does not include: water pump, carburetor, flexplate, distributor, intake manifold, intake manifold gaskets or spark plugs.

Please remember that this is a tall deck engine, so it requires a tall deck intake manifold and a slip collar distributor.

This engine block has provisions for mechanical clutch linkage "Z bar" ball stud in both locations including the 1963-1982 Corvette location.

Partial Engine 12499190

Block 25534368 Tall Deck

Bearing Kit, Main 88962212

Bearing Kit, Camshaft 12499434

Crankshaft 88961554 Forged 4340 Steel

Connecting Rod 88962926 Forged 4340 Steel

Bearing Kit, Connecting Rod 88961556

Piston & Pin 88962925 Forged Aluminum

Piston Ring 12499212 Plasma-moly

Camshaft 88961557 Hydraulic roller

Balancer 88962814 SFI Approved

Cylinder Head 12499255 Aluminum

Gasket, Head 88961561

Rocker Covers, pare 12499200

Valve, Intake 12366987 2.25" Stainless steel

Valve, Exhaust 88963128 1.88" Stainless steel

Valve, Spring 88963934 Dual

Valve, Retainer 12366990 Chrome moly steel

Key, Valve Retainer 12366992

Key, Valve Spring 88963937

Rocker Arm 12361323 Roller 1.7:1

Lifters 17120060 Hydraulic Roller

Push Rod, Intake 88961559 High performance one piece

Push Rod, Exhaust 88961558 High performance one piece

Oil Pan 10240721

Windage Tray, Oil 88962187 Screened and louvered

Gasket, Oil Pan 10106407

Oil Pump 88963707

Spark Plug 5613878 - R45XLS

Warranty:
General Motors limited 2 year / 50,000 mile parts & labor warranty. Click on Document tab above for full details.

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