APPLICATION: THIS IS A PROPANE CONVERSION KIT GOOD FOR 237HP (HIGH HP KITS AVAILABLE)THIS KIT WILL WORK WITH VEHICLES WITH OR WITH-OUT A HEATERTHE KIT IS DESIGNED TO BOLT ONTO THE 2BBL INTAKE USED WITH THE VARAJET (LINKAGE MODIFICATION REQUIRED) INCLUDES: REGULATOR & 225 MIXER, AIR CLEANER ALONG WITH ALL HOSING, FITTINGS ETC. FOR A COMPLETE INSTALLATION KIT NOTE: GENERAL INSTRUCTIONS INCLUDEDMAY COME WITH DIFFERENT REGULATOR BRACKET FEEL FREE TO EMAIL US WITH QUESTIONS! SHIPS IN 1 OR 2 DAYS FROM ORDER FREE SHIPPING IN THE 48 STATES Be 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!WARNING:This product can expose you to chemicals including Lead and lead compounds, which are knownto the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the state of California to cause cancer. www.P65Warnings.ca.gov. WARNING: These products contain a chemical known to the state of California to cause cancer and birth defects or reproductive harm. www.P65Warnings.ca.gov.