HIFROM(TM) 54mm Motorcycle ATV Oval Metallic Clamp-on Refit Intake Funnel Air Filter Silver Wholesale & Retail 1. Made from metal shell and clamp 2. Item width approx.7.2cm, height approx.7.8cm, Weight: 160g (5.64oz) 3. Applied to any Engine Inlet which diameter less than 54mm 4. Please check your machine model carefully before buy it. 5. HIFROM focus on provide high quality air filter at fair price, Professional technical support; if you unsatisfy with our product, you can return to our USA warehouse, no risk.