Gearbox adapter. CNC technology made of ultra-durable 2017a duralumin, then hand finished. High precision and fitting guaranteed. Engine: GM LS7 / LS3 / LS1. Gearbox: Nissan 350Z manual. and then hand finished. Guaranteed high precision and fit. Engine: GM LS7 / LS3 / LS1 Gearbox: Nissan 350Z manual