(PICTURES SHOWN OF THIS PRODUCT ARE ONLY FOR THE PURPOSE OF SHOWINGTHE BASIC DESIGN OF THIS UNIT) MOST ORDERS SHIP IN 2-10 BUSINESS DAYS, FREE SHIPPING ON THIS PRODUCT ANYWHERE IN THE 48 STATES.SHIPPING DISCOUNTS AVAILABLE TO ALL OTHER LOCATIONSWORLDWIDE INCLUDING HAWAII AND ALASKA...PLEASE CONTACT US FOR DETAILS. TECHNICAL DESCRIPTION THE STANDARD MODEL CAN BE MOUNTED IN EITHER AN UPDRAFT, DOWNDRAFT,OR SIDEDRAFT ORIENTATION, SUPPLYING EITHERLPGOR NATURAL GAS TO ENGINES FROM 1 TO 52 kW (1.5 to70hp). THE MAXIMUM FLOW RATE IS 54.2 L/s (115cfm). VARIOUS SAE FLANGES AND AIR HORN SIZES ARE AVALABLE. TECHNICAL SPECIFICATIONSFUEL.................................................LPG OR NATURAL GASFLOW................................................54.2 L/s (115 to cfm)HORSEPOWER RATING.....................1 to 52kW (1.5 to 70 hp)PLEASE REFER TO THE FOLLOWING DESIGN DETAILS FOR SPECIFIC PRODUCT SPECS:CA55-4 IS MADE UP OF (QTY 1 MIXER PART NUMBER CA55M-2 & QTY 1 THROTTLE BODY PART NUMBER BT2-25) SAE FLANGE: 3/4" NPT FUEL INLET: 3/8" [A] CTR. TO CTR. BOLT SPACING: 57.2mm (2.250") [B]BORE: 27.0mm (1.063") [C]AIR HORN DIA:41.3mm (1.625") [D]OVERALL WIDTH: 96.9mm (3.813") [E]MAX WIDTH INCL. IDLE SCREW: 122mm (4.813") [F] OVERALL HEIGHT: 95.3mm (3.750") [G] THROTTLE. BODY HEIGHT: 33.4mm (1.313") [H] THROTTLE. SHAFT DIA.: 6.4"mm (2.50") [J] FLANGE TO CTR. OF AIR HORN: 71.5mm (2.813")REPLACEMENT FORTY00591-14423-81005911442381 800084623Most of the items in our eCRATER store are normal stock items and will ship the same day they are paid for...however...because we sell a lot of products outside of the eCRATER community...please understand that on a rare occasion an item may not be available for immediate shipment. If time is critical...please contact us to be sure the item is in stock before looking.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.We have thousands of parts in stock, send us a message 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!