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      09-27-2022, 09:24 AM   #1
wahooooman
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Calling all Supercharger owners !Pulley sizes

Hey all, Ive been trying to find some info for a while on how to upgrade my current kit but cant seem to find the correct info. Im running an ESS 650 kit (blue injectors) and i believe the stock 98mm pulley that came with the kit.

I want to turn the boost up a little bit (running 6.5 psi now), but cant seem to find a slightly smaller pulley, it seems on ESS website my two options are 98mm and 88mm and that seems pretty drastic.

any help would be appreciated!
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      09-27-2022, 09:47 AM   #2
SAMM3Y
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I believe for 650 you'll need a 92mm pulley.
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      09-28-2022, 09:15 AM   #3
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Quote:
Originally Posted by SAMM3Y View Post
I believe for 650 you'll need a 92mm pulley.

Thanks! the only issue im running into is all the pulleys are for a 6rib belt setup and i have the 7 rib
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