jtg64dart

just joined tonite, hello everyone. I just purchased a 64 dart gt. Just wanted to know if anyone can refer me to any websites for parts. Im looking for the gear shift **** for the push button transmission on the car. Also im looking at changing the 175 70 r13 to a 195 70 r14 or 205 70 r14, anyone have any info on is this possible, and im looking for a place that sells the rims for a 14" tire . thanls again , any help will be appreciated thanks , Jeff