Interior diameter : 58mm/2

Please check your Original CDI Box before purchasing

4: Let your motorcycle powerfully

For Polaris Sportsman X2 700 EFI 2008

For Challenger 2018-2014

28/30/32/34/35/36/38mm Air Striker Carb Carburetor for Keihin Mikuni Koso Generic Car Window Cranks & Parts Interior diameter : 58mm/2Specification: Material: Aluminum Color: Same as the pictures 28MM Carburetor Diameter(mm) : 28 Diameter to Air Filter(mm) : 45 Outer Diameter to Air Filter(mm) : 50 Outer Diameter to Intake(mm) : 35 Main Jet(dmm) : 115 30MM Carburetor Diameter: 30mm Outer Diameter to Air Filter: 50mm Outer Diameter to Intake: 35mm 32MM Intake manifold Inner Diameter: 32mm Intake manifold Outer Diameter: 40mm Air filter side Inner Diameter: 51mm Air filter side Outer