Will 245/40/18 fit on 99 ga? [Archive] - GrandAmGT.com Forum GrandAmGT.com Forum > GAGT - Technical - Sponsored by www.MilzyMotorSports.com > Technical Q&A > Will 245/40/18 fit on 99 ga? PDA View Full Version : Will 245/40/18 fit on 99 ga? jondvd10-04-2005, 06:21 AMDoes anyone know if 245/40/18 fit on a 99 ga. What is the widest tire you can put on it? Thanks for the help. RamAirGT2210-04-2005, 06:27 AMTry searching for "Tire Size" or "Tire Width". A lot of threads should come up. Good luck. jondvd10-04-2005, 03:55 PMthanks vBulletin® v3.7.2, Copyright ©2000-2017, Jelsoft Enterprises Ltd.