Note that -L has black paint and -B has dark charcoal. They are not a matched pair if the part numbers are correct.
80/86 F—U100/350 (RH) EOTZ 13064—L (LH) EOTZ 13064-M Chromed-trimmed w/black paint has locating hole-(use w/basic 13200 w/locating hole)
82/86 F-U100/350 — w/bright grille option (RH) E2TZ 13064-A (LH) E2TZ 13064-B chromed-trimmed w/dark charcoal paint
Gary, AKA "Gary fellow":
Profile
Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker & 10.25 Sterling/Trutrac, Blue Top & Borgeson, & EEC-V MAF/SEFI