Old 10-01-2011, 01:49 PM
  #1  
visualsmoke
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Join Date: Jul 2007
Posts: 23
Default zz502 timing chain and sprockets question

Regarding the single roller timing chain and sprockets that come on a crate engine zz502 (timing chain and sprockets: GM part number 12371053), are these machined in a 'retarded' configuration? The literature I got with my new Edelbrock cam says this is the case.
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