is this gas bottle mount (GBHO009) mountable on top of the the slimline II, correct? Kyle Relleen 28 April 2020 10:41 Updated Follow No, the (GBHO009) is designed mount on the side of a trailer or other applications and the correct Gas Bottle Holder that mounts on top of the roof rack is GBHO011. Front Runner team This question is about: Gas/Propane Bottle Holder / Side Mount - by Front Runner (GBHO009) Related articles Can I fit this gas bottle holder (GBHO009) to the chassis rail on my 2017 Dmax? Am looking at fitting to left side where the tow bar attaches. Comments 0 comments Article is closed for comments.