Big-Inch Aftermarket Iron Block Built by Mid-State Performance, this 572 started out with a tall-deck GM Bowtie iron block.The bores were punched out to 4.500 inches. A forged 4.500-inch stroker ...

This New Old School 572 cranks out 951 horsepower at 6,400 rpm and 878 lb-ft of torque at 5,000rpm with only 7psi of boost!

Usually reserved for big-block applications, our big-inch, small-block was topped with nothing less than a dual-quad inducted, 8-71 supercharger from Weiand. Loud and proud, nothing screams "look ...