OS Giken Gear Set GTR 3 Speed + Reinforced Holinger Input ShaftClose ratio helical gearset for BNR32 and BCNR33 GT R gearboxes. Replaces the 1 3 forward gears plus the input shaft. This version can use either a 26 spline GM input shaft spline (same as Holinger), which is larger diameter and much stronger than the standard Nissan 24 spline type. Most OS Giken clutches are available with this spline as an option. The gears in this kit are rated at 1200hp at the engine, however as the factory Nissan synchros are