Fitment: For GX240 8HP, GX270 9HP, GX340 11HP, GX390 13HP Portable Generator. Product Description: Condition: 100% Brand New 182F and 188F Open Frame Gasoline Generators with 5500-8000 Watts Fits 5500-8000W Blue Max, Rural, Black Diamond, , , , Pro Series, ETQ, All Wattages, Power Products Replace Part Number: For E x 6500 GX390 13HP 16100 -Z5R-743 For E x 5000 GX340 11HP 16100-Z5L-F11 Color: as shown Material: aluminum Specifications: Inlet air diameter: 29.90 mm The distance between the holes of the air inlet: 52.40 mm Intake engine diameter: 26.90 mm Engine inlet hole: 52.10 mm Package Contents: 3 x Carburetor Note: Please compare our products with your motorcycle or old parts that you own, by size, model and others before purchasing. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.