Tag Archives: 12498793

GM Part 12498793 – ENGINE ASM, 572 DELUXE

Product DescriptionEngine Assembly: Deluxe ZZ-572; 620 HP @ 5500 RPM; 650 Ft. Lbs. TQ @ 4500 RPM; 9.6:1 compression ratio: 4.560″ bore; 4.375″ stroke: bowtie tall deck block with one-piece rear seal; forged shotpeened 4340 steel crankshaft & H-beam style … Continue reading

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