ITEM NAME:4x Dirt Bikes Carburetor Rubber Adapter Manifold Flange For Mikuni VM24 26 28mm .like-pro-float .like-pro-price-both{clear: both;.Carb Flange Intake Adapter Manifold Boot 28mm 35mm Works for Mikuni Keihin OKO KOSO Carburetor. One side is 28mm,the other side is 35mm,the bolting distance(centre to centre) is 48mm. 4 Pieces Carburetor Intake Manifolds.