APPLICATION:PROPANE CONVERSION KITCAN BE MOUNTED IN THE AIR STREAM AND USE THE EXISTING THROTTLE BODY FOR FUEL CONTROLDISABLE INJECTORS AND FUEL PUMP WHILE RUNNING ON PROPANE (YOU WILL GET A CHECK ENGINE LIGHT)WORKS FOR MANY APPLICATIONS INCLUDING AUTOMOTIVE, FORKLIFT, INDUSTRIAL, GENERATORONLY WORKS WITH 4.9L WITH SINGLE HOSE AIR INTAKEA DIFFERENT KIT IS REQUIRED FOR DUAL AIR INTAKE HOSE SYSTEMINCLUDES: 3" INLET AND OUTLET 225 MIXER, MODEL E REGULATOR AND EVERYTHING REQUIRED FOR A STRAIGHT PROPANE CONVERSION. (FOR DUAL FUEL YOU WILL NEED TO SUPPLY YOUR OWN COMPONENTS TO SHUT OFF POWER TO FUEL PUMP AND INJECTORS)KIT WILL SUPPORT 237HP @ 380CFMSHIPS IN 2-6 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. 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!