Description: PWK 40mm Carburetor Intake manifold side Inner Diameter: Approx. 40mm/ 1.57inch Intake manifold side Outer Diameter: Approx. 46mm/ 1.81inch Air filter side Outer Diameter: Approx. 63mm/ 2.48inch Application: As racing carburetor for Motorcycle Dirt Bike QUAD ATV TRX250R TRX350 CR250 LT250 KTM 150XC etc. Material: Metal Package Includes: 1 Piece Carburetor Note: The color may have different as the difference display,pls understand.= Please allow 1-3mm error due to hand test