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The Stainless Works collector filler diamond is a 2-1/4" diameter CNC laser-cut insert constructed from 304 stainless steel for corrosion resistance. Intended for 4:1 header assemblies, it squares header primaries and reduces leakage inside the collector. Precisely cut for consistent alignment and fit, these filler diamonds are produced in the USA to aid accurate header construction and sealing.
Stainless Works 2.25in Dia Collector Diamond
