Universal Fit for most Motorcycle, ATV, Dirt BikeProduct Details: Material: Metal Color: Gold Tone Main Jets Total Size: 8x6mm / 0.31"x0.24"(L*W) Main Jets Thread Length: 3.5mm / 0.14"(L) Main Jets Cap Length: 4.5mm / 0.18"(L) Main Jets Thread Size: M5x0.8 Main Jets Size: 152, 155, 160, 165, 170, 175, 180, 185, 190, 195 Advantage: Improved Fuel Economy: Carburetor nozzles improve fuel economy and reduce fuel consumption by better mixing air and fuel. Increased Horsepower and Torque: By more accurately controlling the fuel mixture ratio, the carburettor nozzle increases engine horsepower and torque, improving vehicle performance. Improve Acceleration Response: Carburetor nozzles are able to react and adjust mixture ratios more quickly, which improves the vehicle's acceleration response. Kindly Notes:Be sure to measure your carburetor prior to purchase.Package Content:10 Pcs Main Jets