Feature: 1. Compatibility: Motorcycle air filters are universal fit for 28mm‑48mm/1.1in‑1.88in outside diameter of carburetor nozzle. 2. Fitment: Air filter fit for GPZ1100 1983‑1984, fit for KZ1000 LTD 1977‑1980, fit for KZ1000 POLICE 1978‑1981, fit for Z1 900 1973‑1975, fit for KZ1000A 1977‑1980, fit for KZ1000E 1979‑1980. 3. Characteristics: The double layer steel mesh effectively filters impurities to provide purer air, and the tapered style has excellent braking power. 4. Excellent Performance: Powerful filtration efficiency for improved throttle response and more horsepower, provide you with a great using effect. 5. Material: Rubber and stainless steel material, aging resistance, rust proof, wear resistance, high strength, not easy to break. Specification: Item Type: Motorcycle Air FiltersMaterial: Rubber and stainless steelProduct Specification: Bend 45° Compatibility: Universal fit for most 28mm-48mm/1.1in‑1.88in motorcycle carburetor nozzle outside diameter(Please check your carburetor nozzle outside diameter before purchase) The following motorcycle models are for reference only Fit for GPZ1100 1983-1984Fit for KZ1000 LTD 1977-1980 Fit for KZ1000 POLICE 1978-1981Fit for Z1 900 1973-1975 Fit for KZ1000A 1977-1980Fit for KZ1000E 1979-1980 Fit for KZ1000D 1978Fit for KZ1000D 1980 Fit for KZ900A 1976-1977Fit for KZ900B LTD 1976 Replacement for SuzukiFit for GS1000 1978-1979Fit for GS1000E 1978-1980 Fit for GS1000L 1979Fit for GS1000SS 1979 Fit for GS750 1977-1979 . Package List: 2 x Motorcycle Air Filters