APPLICATION: COMPRESSED NATURAL GAS CONVERSION KIT FOR ZERO TURNMOWERS WITH A 1.875"ID AIR INLET TUBEIMPORTANTAIR TUBE WILL NEED TO BE CUT, THE MIXER CLAMPS INLINEBETWEEN THE CARBURETOR/TBI AND AIR CLEANERTHIS KIT REQUIRES MODIFICATION TO AIR TUBETHIS KIT REQUIRES YOU TO TAP ENGINE OIL TO HEAT THE VAPORIZER, PLEASE MAKE SURE YOU CAN DO THIS BEFORE ORDERING.PLEASE VERIFY YOU HAVE A 1.875"ID AIR TUBE BEFORE ORDERINGINCLUDES:IMPCO ORIGINAL REGULATORS AND DUAL FUEL MIXER, ALONG WITH EVERYTHING YOU NEED EXCEPT FOR HIGH PRESSURE LINE AND TANKKIT DOES NOT COME WITH HIGH PRESSURE LINE, TANK BRACKET OR TANK!WE CAN SUPPLY THESECOMPONENTS, JUST LET US KNOW WHAT YOU NEEDNOTE:GENERAL INSTRUCTIONS INCLUDEDFEEL FREE TO EMAIL US WITH QUESTIONS!MOST 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. 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!