Belt for 3.25” Up, 4# LP and 3.5” Alternator Pulley

[NotSatisfied]

Any recommendations?

Was using a Gates K080810HD FleetRunner Micro-V Serpentine Drive Belt but this was with a 2.5” alternator pulley

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[03' White Snake]

Try 82”.

 

[NotSatisfied]

Try 82”.

So essentially :

https://www.oreillyauto.com/detail/c/fleetrunner-micro-v/belts---hoses/belts/serpentine-belt/c92a524fe09d/gates-fleetrunner-micro-v-serpentine-belt/gat3/k080820hd/v/a/119736/automotive-truck-2009-freightliner-m2-106?pos=1

Going from 81-5'8" to 82-11/16" ??