XAA TIRE FRONT, P255/45ZR17 BL R/PE ST TL HW4 
XAU TIRE FRONT, P275/40ZR17/N BL R/PE ST TL HW4 
XNA TIRE FRONT, 205/65R15 BW R/PE ST TL HWY 94H 
X6W HUB, LOCKING MANUAL 
X6Z HUB, LOCKING AUTOMATIC 
X88 CONVERSION NAME PLT CHEVROLET