On a Kayfun... with that low a wattage, it'd be coil, singular.
Using 29 gauge, and splitting the difference for wattage at 8.5w... at 1.2Ω you'd median heat flux of 178 mW/mm2 ~ to a warm HF of 267 mW/mm2 at 0.8Ω.
You can juggle wattage within your range, or wire gauge up and down, to obtain...