▁Hunter ▁N eme che k , ▁Sh eld on ▁Cre ed , ▁and ▁Sam ▁May er ▁were ▁among ▁the ▁inaug ural ▁members ▁of ▁the ▁program . ▁ ▁X fin ity ▁Series ▁ ▁Car ▁No . ▁ 2 3 ▁history ▁Part - time ▁( 2 0 1 6 ) ▁On ▁February ▁ 4 , ▁ 2 0 1 6 , ▁G MS ▁announced ▁that ▁they ▁would ▁field ▁a ▁part - time ▁Che v ro let ▁Cam aro ▁for ▁Sp encer ▁Gall ag her ▁for ▁ 1 3 ▁races ▁starting ▁at ▁Phoenix . ▁The ▁car ▁number ▁would ▁be ▁ 2 1 . ▁Gall ag her ▁finished ▁ 2 3 rd ▁in ▁that ▁race . ▁Gall ag her ▁ran ▁a ▁total ▁of ▁seven ▁races ▁in ▁the ▁No . ▁ 2 1 ▁car ▁in ▁ 2 0 1 6 , ▁with ▁a ▁best ▁finish ▁of ▁eight ▁in ▁the ▁Day ton a ▁July ▁race . ▁ ▁Sp encer ▁Gall ag her ▁( 2 0 1 7 – 2 0 1 8 ) ▁On ▁December ▁ 1 , ▁ 2 0 1 6 , ▁G MS ▁announced ▁that ▁they ▁will ▁field ▁a ▁full - time ▁No . ▁ 2 3 ▁( The ▁ 2 1 ▁was ▁occupied ▁by ▁Richard ▁Child ress ▁Racing ▁driver ▁Daniel ▁Hem ric ) ▁Che v ro let ▁Cam aro ▁for ▁Sp encer ▁Gall ag her . ▁Gall ag her ▁had ▁a ▁disappoint ing ▁ro ok ie ▁season , ▁with ▁just ▁only ▁one ▁top ▁ 1 0 ▁at ▁Richmond ▁and ▁eight ▁D NF ' s ▁in