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					Originally Posted by g300d  5pk1023 is the spec and the one I pulled out, I put in a 5pk1025 with no problem.
 This was on an 03 4.6is.
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  Yes, I suspect that tensioner can take the slack for little bigger belt but I just don't want go to big and overreach tensioner limit. I'll probably go $8 ContiTech 1023 from AutohausAZ. Thanks.