Shadow34606 Posted June 16, 2017 Report Share Posted June 16, 2017 I have a 2012 stock Shelby gt500 with the 3.0 stock pulley, I want to upgrade my pulley to 2.6 with the auxiliary Idler pulley tensioner, does anybody know what size belt I need, if possible can you send me a link To the belt I need, I don't want to get my parts until I know I can get the belt, any help would be great, thank you ? Quote Link to comment Share on other sites More sharing options...
08KR525 Posted June 16, 2017 Report Share Posted June 16, 2017 The oversized idler will take up the slack created by the smaller pulley, so you can just utilize the stock belt as long as it's in good condition. I run this same setup on mine & have no issues. HTH. Quote Link to comment Share on other sites More sharing options...
shel-b001 Posted June 16, 2017 Report Share Posted June 16, 2017 The oversized idler will take up the slack created by the smaller pulley, so you can just utilize the stock belt as long as it's in good condition. I run this same setup on mine & have no issues. HTH. What he said. I had this set up for years. Quote Link to comment Share on other sites More sharing options...
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