GM 572 Big Block

620 horsepower. Oh, and 650 lb.-ft. of back -cracking Torque. If you want a Big Block, well here you go, the GM performance Parts ZZ572/620. 4.560-in. bore and 4.375-in. stroke = 572 madness Bad Ass. Enough said....

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http://www.proformanceunlimited.com/ Live engine run of a Chevy 572 big block...engine will be run in a '66 Chevy Chevelle...Proformance Unlimited...There is no other Our staff is available to assist you with any questions you may have Monday-Friday 8am-5pm 800-267-3940 or via email info@proformanceunlimited.com We look forward to speaking with you.





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