Check the listing for details. Nitrous Express 15728LK Line Kit. Condition: New. Listed at 86.42 USD. Nitrous Oxide LineLine Kit Line Kit; For Use w/PN[15728]; Incl. SHO Hoses Qty. 2; 4AN Solenoid Fittings Qty. 2;SPECIFICATIONS:Fitting Size: -4ANWARNING CA Proposition 65: YesWARNING CA Proposition 65 Message: Warning: Cancer and Reproductive Harm-www.P65Warnings.ca.gov.FEATURES:Direct Fit Solution For MountingWow, how do I start to tell the world why NX is different and better than any other company? Lets start with the NX philosophy: All components must be of the highest quality, no off shore junk; 99% of NX products are produced and assembled in the USA; All NX components and systems must be tested and proven before they are shipped to any customers; All horsepower claims must be accurate and dyno proven at the wheel! NX copies no one; we lead the industry in technology and innovation; Never be satisfied with the status quo; Always give the customer more than he expects!Wow, how do I start to tell the world why NX is different and better than any other company? Lets start with the NX philosophy: All components must be of the highest quality, no off shore junk; 99% of NX products are produced and assembled in the USA; All NX components and systems must be tested and proven before they are shipped to any customers; All horsepower claims must be accurate and dyno proven at the wheel! NX copies no one; we lead the industry in technology and innovation; Never be satisfied with the status quo; Always give the customer more than he expects!If you are having issues with Ebay/Paypal or product questions, please feel free to call us Asa Performance. We’ve been in business for over15 years and are committed to providing excellent products with exceptional service. If you have any questions or problems, we are more than happy to address your concerns.