Post by
SpeedRacer1 »
https://forums.nicoclub.com/speedracer1-u311.html
Sat Feb 09, 2008 5:28 pm
S13 part number 12303-52F00S14 part number 12303-65F00
The S14 pulley is different because the ps belt is thinner. This is why they arent entirely interchangable. You can swap between the two and just use the thinner ps belt though.