1994 chevy silverado, lt sports package, build sheet, 11/16/1993 HELP

oldnuts

i have a 1994 chevy,silverado 1500 pick up, it has an rpo code of YE9 plus over 62 factory upgrades, & three dealer codes,x88 chevy conversion code, sales item control r7c #28 ,sales item control r7r #42 & control sales item rst #69 it has ss-350 logo , but no B4U code,like a 1993, being stamped nov-1993 some say that the Rz in the vin # stands for ss, at n.a.d.a. but still unable to confirm, ????? i have an open investigation with GM, i am the second owner & almost a complete restoration,$$$$$$$$$$$$ the original owner swore , that the ss-350 logo was on it ,when purchased.???they either moved / gone. any suggestions would grateful,
thank you, oldnuts. vin #1gcdc14k6rz******

0patience

The only SS Silverados were made from 2003-2007.
So it would have to have been a Z71 or some trim level truck.
The 94 options for a sport package were the Z71 series and that is probably what they remember seeing.