Answer
Apr 10, 2026 - 09:03 AM
The filter block in the Sinister Diesel Coolant Filtration System for 2003-2007 Ford Powerstroke 6.0L is CNC machined in our California facility from solid billet 6061 aluminum. This ensures that your 6.0 coolant filter offers superior strength, corrosion resistance, and precise fitment for dependable, long-term performance.
