Stainless Works Filler Diamond 2-3/8" Primaries

Made from 304 stainless steel for maximum corrosion resistance. This 2-3/8" filler diamond is used for 4:1 Headers. These are CNC laser cut for accuracy and quality. These are also used to square up header primary tubes and eliminate leakage inside the collector. These filler diamonds are proudly made in the USA.