http://www.philsracetires.com/wp-content/uploads/2012/01/ra-1.jpg
TOYO PROXES RA1
Tire Size Part Number Overall Diameter Tread     Width Section Width Recommended Rim Measured Rim Weight Price
205/60R13  236700 22.7 6.9 8.2 5.5-7.5 6.0 20 $129
 
205/50ZR15 236840 23.1 7.8 8.4 5.5-7.5 6.5 21 $145
225/45ZR15 236970 22.9   9.0 7.0-8.5 7.5 23 $162
225/50ZR15 236830 23.9 8.5 9.2 6.0-8.0 7.0 24 $165
 
225/50ZR16 236890 24.9 8.5 9.2 6.0-8.0 7.0 23 $197
245/45ZR16 236800 24.7 9.4 9.6 7.5-9.0 8.0 25 $207
255/50ZR16 236880 26.1 9.8 10.4 7.0-9.0 8.0 27 $206
 
235/40ZR17 236760 24.4 9.0 9.6 8.0-9.5 8.5 24 $200
255/40ZR17 236770 25.0 9.7 10.4 8.5-10.0 9.0 26 $199
275/40ZR17 236780 25.7 10.4 10.9 9.0-11.0 9.5 29 $219
 
275/35ZR18 236710 25.6 10.4 10.9 9.0-11.0 9.5 29 $258
Features of the Toyo Proxes RA1
Soft But Durable R-Compound
Soft But Durable R-Compound
Improves grip for better competitive handling and performance.
Stepped Tread Design
Stepped Tread Design
Increased tread area and limited void improves dry traction.
Groove arrangement assists with wet traction.
Tread depth indicators
Tread depth indicators
Circles in tread indicate tread depth.
 Full 8/32nds tread depth provides good competitive wet traction.
Shaving to 6/32nds improves dry traction.
Toyo Tires recommends the following general set up guidelines for the Proxes RA1:
Operating Temperature: 160°F to 220°F
Hot Inflation Pressures: High 30s to Low 40s (psi)
Camber: -2.5° to -5.0°
Caster: As much positive as possible