ALL PARTS MADE IN USAAPPLICATION:HONDA GX340 GX360 AND GX390 ENGINESGENERATORS, BUFFERS, POWER WASHERS, PUMPS, UTILITY VEHICLES, GOKARTSTHE NYLON VENTURI ADAPTER IS 1/2" THICK SO FRAME MODIFICATION IS USUALLY NOT REQUIREDPLEASE CHECK FOR AIR BOX CLEARANCE BEFOREPURCHASENOTE:FOR LOW PRESSURE PROPANE OR NATURAL GAS (MAXIMUM INLET PRESSURE 13.8" WC)IF YOU WANT TO CONNECT DIRECTLY TO A PROPANE TANK, ANADDITIONALREGULATORIS REQUIREDGENERAL INSTRUCTIONS INCLUDEDSHIPS IN2 THROUGH 10 DAYS FROM ORDERMOST ORDERS SHIP IN 2-10 BUSINESS DAYS, FREE SHIPPING IN THE 48 STATESBe sure to add me to your favorites list!Check out my other items!Sign up for PayPal; the fast, easy, and secure way to pay online.We have thousands of parts in stock, if you do notseethe part you need!Feel free to ask us about conversion kits for almost anything including trucks, cars, generators, tractors, boats, motorcycles, RVs etc. We can build a kit to convert almost any engine!