Ebc HJ310-4 Mikuni Hex Head Style Main Jets - 310 engine-radiators-components-cooling-fans 2019-2022 Yamaha YXZ1000R SS

2019-2022 Yamaha YXZ1000R SS

2010-2011 Polaris Trail Boss 330

reducing potential for breaking a valve due to over-heating (stock rockers tend to oil the rocker boxes

plus additional 4in

or completely enclose your bed rails for a secure storage area or dog box

Ebc HJ310-4 Mikuni Hex Head Style Main Jets - 310 engine-radiators-components-cooling-fans 2019-2022 Yamaha YXZ1000R SSBrass carburetor jets are high precision and flow calibrated for extremely accurate fuel flow rate. Available in a range of sizes for Mikuni and Keihin applications High quality replacement. NOT original Mikuni or Keihin jets. Individual sizes sold in 4 pack; priced each.