Up for sale is a new, nos, factory original GM Standard Crankshaft Balancer for 1970-90 Chevy 454 Big Block Engine's(exc high perf). The nos part number is 330849 that changed from 3963529. Has the correct casting number 3530. The balancer is nos, has never been used, and come's as pictured with the original GM box. Has some light surface rust from storage as pictured but nothing major! This would be needed by anyone rebuilding a 454 Big Block Chevy Engine and wanting original GM Part's!  Thanks and good luck! Shipping quoted is for the USA only!  Email with question's or concerns!

Correct pictures have been updated! I had the wrong ones on the listing at first! 

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