Obviously I do not know how to use this formst. I was trying to find spark plug change how too.Access cab
NGK makes good quality plugs.Access cab
Always check the gap.Just did mine on my 2014 DCLB LIMITED 4.0. Passenger side is pretty easy. Drivers side- you need to unbolt a few hoses and brackets and then it goes quick. Not hard. Just do one at a time. And used NGK from dealership. Was pre-gaped and cheaper than online actually.