[G2K]

Hey guys im trying to find a pulley combo that would help me get to 10PSI.
Currently the car is at 8psi and havent been tuned for e85 yet but will very soon before doing so I would like to raise the boost a bit... I know that with a 2.5" I can probably reach this psi but I cant find anyone sellinga zPE pulley in this size... Maybe the experts here can advise on how I can achieve this PSI? Maybe by adding a lower pulley, if so? which one (%) can I get?

Current mods:
2019 ZL1 LT4 blower 2.75" ZPE griptec pulley
LT4 HPFP
LT4 Inyectors
1 7/8 Headers
3" exhaust
Roto-fab CAI
Might Mouse catch can
E85 Flex fuel sensor
Edelbrock exp. tank

Any help appreciated