Link to Aero Workz listing here:
フェアレディＺ Ｚ３４ ダクト付カーボンボンネット - エアロワークス | エアロパーツ・ドレスアップパーツの開発・販売
72000 yen is about $700?! Thats way too cheap for a real CF hood - its Vis, Seibon, Fly1 level pricing
Even a Varis cooling hood in FRP (no CF) is 119000 (about $1200).
Their wet carbon one is 14500 (about $1400)
Semi-Dry carbon is nearly $3k.