You sure you're not talking about the serpetine belt (which is not made by esslinger and is almost gauranteed to be the wrong size if ordered through zxtuner) for use with the esslinger under drive pulley? AFAIK, timing belt size shouldn't change.
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
FS: SVT rear sway bar
WTB: Very cheap beater
CEG Dragon Run - October 13-15