I just got my b18c and the rear engine mount is shot. Also the two lower torque mounts on my d16z6 are shot. So my question is do I need to order both of these. Energy Suspension Motor Mounts/Motor Mount Inserts: ENS-16-1106G - summitracing.com Energy Suspension Motor Mounts/Motor Mount Inserts: ENS-16-1105G - summitracing.com Or would these work for the rear and just use the one from summit for the lower. NOPI Online Store That way I have the 2 lower for the original and the one new for the new motor. Also has anyone used these? Im guessing you just remove all the old material and put these in place? I think I just confused my self so I applogize.