im looking at this seasons lmc truck. page 23 <interior body> have any of you used these parts? have any pics or advice on them? 38-7912 <1> footwell LH RH 38-7942 <2,3> cab floor half front LH RH 38-7946 <4,5> cab floor half rear LH RH 38-7840 <6> inner rockerpanel LH RH 38-6528 <8> outer rocker panel LH RH is there a beter company that makes better quality parts? hows the fit on them?