will 275 fit on a 9in wide rim

[chihawks35]

Wheels:	Wheel 1	Wheel 2
Wheel size	17x7.5 ET 31	18x9 ET 12
BackSpace	139 mm (5.5'')	139 mm (5.5'')
Rim Lip		38 mm (1.5'') wider
Typical Weight	~ 22 lbs / 10 kg	~ 30 lbs / 13 kg
Tires:	Tire 1	Tire 2
Tire size	265/70-17	275/70-18
Section width	265 mm (10.4'')	275 mm (10.8'')
Sidewall	186 mm (7.3'')	193 mm (7.6'')
Tire diameter	804 mm (31.7'')	843 mm (33.2'') 39 mm (4.9%) taller.
Rim sizes	17x7.5 to 17x10	18x7.5 to 18x10.5
Circumference	2525 mm (99.4'')	2647 mm (104.2'')
Revs per mile	637.5	608
Speedometer	Assuming that this is OEM tire and speedometer readings are correct >>>	When speedometer reads 60mph (96.6km/h) actual speed will be 62.9mph (101.3km/h): 4.8% faster.
Typical Weight	~ 47 lbs / 21 kg	~ 51 lbs / 23 kg
Wheel+Tire Weight	~ 69 lbs / 31 kg	~ 81 lbs / 36 kg
Clearance:	Package 1	Package 2
Suspension	Assuming that this is OEM wheel/tire and there is no any problems with clearance on both sides >>>	100% clear (leaves even more room than OEM)
Fenders	Package will stick out 24 mm (0.9'') farther. Make sure that you have enough room under the fender. If not, consider narrower tires or higher offset.
Wheelwells	Will fill out the wheelwell by extra 20 mm. Make sure that you have enough room under the fender. If not, consider lower profiles or smaller rims.

this is with a 12 offset will fill 20 more MM of the wheel well. i think i should be good with this size i hope so at least. theres a lot more that goes into this than what i expected i mean my tires now i think are 31.7 over all diameter and 17in wheels so really im only adding about 2 inches with 18 in wheels and 33.4 inch tires so im pretty sure it will all fit

[chihawks35]

well i went and bought the 275/70/18 nitto trail grapplers and they rubbed a ridiculous amount, going with the 275/65/18 cooper discoverer stts. getting them installed tuesday hopefully they fit

[SurrealOne]

Why not trim and run whatever you like?