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Product Details
Subaru WRX 2004, Valve Spring Titanium Retainer by Brian Crower®. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances Titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. Although titanium is approximately 40% lighter, and is perceived as stronger than steel, it will wear over time on a dual spring setup.
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