Nickies™ Cylinders and Sleeves February 28, 2014 How are Nickies cylinders made? Our custom, US-originating extrusions from which all Nickies™ are made are superior to castings and even forgings. A 15-18 lb section of extruded aluminum becomes a Nickies™ cylinder. This is what we have dubbed a “birthday cake.” A “Birthday Cake” is now fully machined and ready to become a Nickies™ cylinder once the NSC plating is applied by Millennium Technologies. Finished 964/993 Cylinder Read More About Charles Inventor and developer of IMS Retrofit and IMS Solution, Charles Navarro is an owner and CEO of LN Engineering – manufacturer of Nickies™ Performance Cylinders and Sleeves. he's also a co-owner of Bilt Racing Service.