Crafted from aerospace-grade 9310 steel and featuring an imposing extra-wide straight-cut design, this kit delivers an exceptionally strong 6-speed gearbox for outstanding performance. A massive load capacity is built into a rigid billet aluminum trap door, ensuring it can withstand the rigors of high-performance usage without flex. Installing this American-made hardware enhances shift smoothness and improves gear transitions, allowing for superior control on the streets.