Welcome to LN Engineering! Home of Nickies: The Original & Genuine Solid Aluminum CNC Billet NSC-Plated Cylinders for Porsche and Volkswagen. Most orders will ship within 1-3 business days depending on availability. Product may ship from alternate supplier if we are out of stock. For questions about motor oils, please read our FAQ at http://www.LNengineering.com/oil.html. The LN Engineering store features our most popular products; if something is not listed, please call us at (815) 472-2939. Illinois customers are subject to 6.25% sales tax. Restocking fee 25%. No returns or exchanges after 30 days. No returns or exchanges in IMS Retrofit or IMS Guardian. Published prices subject to change. We are not responsible for typographical errors. By registering with LN Engineering, you agree to receive emails from LN Engineering and its partners from time to time. To opt out, please contact us directly at the number listed above to be removed from our system.