RB Wheel/Tire Fitment - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

TeamTFR · 07-17-2020, 12:59 PM

I recently purchased a BRZ with the Rocket Bunny overfenders, and of course the quarters and fenders are hacked up. I'm trying to loose the stance look it currently has and get to a functional set up. It's currently on 18x11.5 -20 with 255/35 front and 18x13 -60 with 275/35 rear.

My question is what wheel and tire size fits well with the RB kit? Wanting to fill out the fenderwells and not have it cambered out, planning on tracking the car.

Car is on BC coils and has some adjustable suspension components installed as well.

TylerLieberman · 07-17-2020, 02:45 PM

Most people doing track time with these cars are running a max of like 265s, even with over fenders. Unless the car is making substantially more power than stock and or has a significant amount of functional aero creating real downforce, I don’t think you’d really benefit by going any larger than that.

Just run square wheel/tire sizes. Like 9.5” or 10” width and 265s or whatever front AND rear. You’ll have to do custom offsets or run spacers to fill the fenders all the way.

TeamTFR · 07-23-2020, 12:25 PM

I was thinking an 18x9.5 or 10, can't figure out what offset fits properly without having to use spacers. I saw somewhere that 18x9.5 et0 fits well but no one would confirm that.

07-17-2020, 12:59 PM	#1
TeamTFR Senior Member Join Date: Jul 2013 Drives: Nothing cool Location: Hagerstown, MD Posts: 210 Thanks: 8 Thanked 13 Times in 12 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	RB Wheel/Tire Fitment I recently purchased a BRZ with the Rocket Bunny overfenders, and of course the quarters and fenders are hacked up. I'm trying to loose the stance look it currently has and get to a functional set up. It's currently on 18x11.5 -20 with 255/35 front and 18x13 -60 with 275/35 rear. My question is what wheel and tire size fits well with the RB kit? Wanting to fill out the fenderwells and not have it cambered out, planning on tracking the car. Car is on BC coils and has some adjustable suspension components installed as well.

07-17-2020, 02:45 PM	#2
TylerLieberman Senior Member Join Date: Dec 2011 Drives: '24 GR86 Location: Arizona Posts: 3,686 Thanks: 658 Thanked 3,363 Times in 1,584 Posts Mentioned: 16 Post(s) Tagged: 0 Thread(s)	Most people doing track time with these cars are running a max of like 265s, even with over fenders. Unless the car is making substantially more power than stock and or has a significant amount of functional aero creating real downforce, I don’t think you’d really benefit by going any larger than that. Just run square wheel/tire sizes. Like 9.5” or 10” width and 265s or whatever front AND rear. You’ll have to do custom offsets or run spacers to fill the fenders all the way. __________________ Old 2013 FRS Build Thread (SOLD) Hakone 86 GR Build Thread (SOLD)

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07-23-2020, 12:25 PM	#3
TeamTFR Senior Member Join Date: Jul 2013 Drives: Nothing cool Location: Hagerstown, MD Posts: 210 Thanks: 8 Thanked 13 Times in 12 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	I was thinking an 18x9.5 or 10, can't figure out what offset fits properly without having to use spacers. I saw somewhere that 18x9.5 et0 fits well but no one would confirm that.

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