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gchemist · 06-18-2013, 08:03 AM

I have the same problem on my ZZ4 heads. I'm installing short poly locks. You can find them very cheap on ebay.

06-18-2013, 08:03 AM	#16
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	Re: All rocker arms coming loose I have the same problem on my ZZ4 heads. I'm installing short poly locks. You can find them very cheap on ebay. __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos