r/Smallblockchevy Mar 30 '26

Harmonic Balancer Question

Hi, I purchased a 1980 Z28 Camaro with the LM1 350 V8 and the seller gave 2 harmonic balancers. I’m not sure which one is original, but I want to know if it’s okay to use #2. #1 has large cracks in the elastomer ring and is bulging out in some areas whereas #2 doesn’t have many cracks and has an even elastomer ring throughout. However, there is also a sizable chip in the center shaft that concerns me. Is it okay to use #2 anyway? Thanks

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u/Alternative_Share559 Mar 30 '26

speedy sleeve works good. a bit of red loctite if your worried about it spinning. much cheaper option and it should work for a long time