Variator kit plus exhaust Stainless muffler, pipe, and clamps Roller weights, spring, & complete variator The GY6 150 Stage 1 Performance Kit is a high quality bundle of goodies made by NCY, a well-known maker of top quality aftermarket scooter parts and accessories This is a great upgrade for your scooter, as the variator/transmission parts offers quicker acceleration, higher top speeds, and makes your CVT the smoothest around Description The GY6 150 Stage 1 Performance Kit is a high quality bundle of goodies made by NCY, a well-known maker of top quality aftermarket scooter parts and accessories. This is a great upgrade for your scooter, as the variator/transmission parts offers quicker acceleration, higher top speeds, and makes your CVT the smoothest around. In addition, the slick exhaust system features the muffler, pipe, and clamp. The Stage 1 kit includes a great looking stainless NCY exhaust, and an NCY variator kit with the spring, roller weights, variator, clutch assembly, drive face, and flywheel. WARNING California Residents : Proposition 65 Warning