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😎Help on Procharger belt size.

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Old Sep 6, 2025 | 11:36 AM
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Default 😎Help on Procharger belt size.

I am running the newer ( i really don't know how new it is) procharger hd bracket. I was running the aster bracket, but finding out that belt is way up too long. I have the CBR 8.65 crank pulley and 3.70 pro charger pulley. Any narrow ballpark on what size belt I need to run? Thanks!!
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Old Sep 8, 2025 | 10:09 AM
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i didnt know you were able to run the 8.65 crank pulley with the procharger hd setup ? i thought you had to go to the 8 inch crank pulley ?
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Old Sep 8, 2025 | 12:41 PM
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I have been told plenty of people are running the 8.65 crank pulley with the HD bracket.

Last edited by T/AWS6969; Sep 9, 2025 at 03:05 PM. Reason: Better info
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Old Sep 10, 2025 | 09:04 PM
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Yep, got the 8.6 pulley crank pulley here too. I run the K080427HD belt with a 4.38 pulley

You gotta just measure your min and max tensioner placements to get your range. Just get a clothing/garment or tailor measuring tape, wrap it around, and move the tensioner with your hand to get the lengths based on travel distances.

Depending on how you have your tensioner clocked, your tensioner pulley will hit that large crank pulley, so pay attention to that, especially if your belt snaps.
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