His son Kazuki Nakajima uses a slightly different version of this helmet .
Nakajima 's helmet was white with two red lines forming a circular end on the chin area , with a wide line on the rear of the helmet with written NAKAJIMA on it .
Nakajima 's NAKAJIMA   Nakajima uses a slightly different version of this helmet .
Nakajima 's helmet was white with two red lines forming a circular end on the chin area , with a wide line on the rear of the helmet with written NAKAJIMA on it .