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The Stainless Works collector filler diamond is a 1-1/2" diameter CNC laser-cut insert made from 304 stainless steel for corrosion resistance. Intended for 4:1 headers, this filler squares up header primary tubes and helps eliminate leakage inside the collector flange area. Precision cut for consistent fitment, these filler diamonds are produced in the USA for use during header fabrication and assembly.
Stainless Works 1.50in Dia Collector Diamond
