Generation IV External Engine - Aftermarket belt tensioners vs. Katech

05-22-2012, 07:59 AM
Can someone tell me what exactly is the difference between the Katech serpentine tensioner and this one?

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I'm looking to buy one for my LS2 GTO and saw this one on Ebay.


05-22-2012, 08:09 AM
it uses three points. most only use two .