GM Performance Engine Assembly, Crate Engine, Chevy, ZZ572, Base, Each (PART #GMP-12498792)

GM Performance ZZ572 long block crate engines are built around an all-new Gen VI tall deck Bowtie big block. They feature a forged 4340 steel crank with a 4.375 in. stroke, shot-peened forged 4340 H-beam connecting rods, and forged aluminum pistons with full-floating wrist pins. The cylinder heads have a rectangle port that's redesigned to produce a pump-gas friendly 9.6:1 compression ratio. The block has provision for a mechanical fuel pump and comes internally balanced. Note: The required intake manifold needs to fit a tall deck block, and the distributor must have a slip collar.

SPECIFICATIONS
Brand GM Performance
Manufacturer's Part Number 12498792
Part Type Crate Engines
Product Line GM Performance ZZ572 Base Long Block Crate Engines
Crate Engine Family Chevy Big Block
Actual Engine Displacement 9.4L/572
Crate Engine Cylinder Head Material Aluminum
Assembled Yes
Engine Balance Internal
Cam Style Hydraulic roller, OE roller
Rear Main Seal Style 1-piece
Intake Manifold Included No
Cylinder Heads Included Yes
Carburetor Included No
Throttle Body Included No
Distributor Included No
Oil Pan Included Yes
Valve Covers Included Yes
Timing Cover Included Yes
Water Pump Included No
Harmonic Balancer Included Yes
Flexplate Included Yes
Flywheel Included No
Air Cleaner Included No
Spark Plugs Included No
Spark Plug Wires Included No
Computer Included No
Wiring Harness Included No
Supercharger Included No
Remanufactured No
Quantity Sold individually.
Notes Engine has the larger 3.580 in. crankshaft bolt pattern and would use an internally balanced 2 piece rear main seal flexplate, even though the engine is a 1 piece rear main seal. This engine is not designed, nor intended to be used in any marine applications. Designed for pre-1976 street vehicles or any off-road vehicle. Engines installed in vehicles registered and normally operated outside of the United States carry no warranty. Clutch linkage bosses are drilled and tapped, plus includes a provision for a mechanical fuel pump.

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