Ok Savage fans, what’s the deal?

Several people have said the 4.6 is a long reach engine, but mine came with the R5 plug which is standard/short reach. For comparison, here is an LC3 long reach, a #8 short reach, and the stock R5 —




So is the F4.6 really long reach and the truck comes with the wrong glow plug? My Trophy 3.5 buggy also came with the same R5 glow plug.