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PCV valves should be replaced every 60,000 miles. Over the years, the PCV valves start to get clogged and hurt the performance of the Z. Original PCV hoses get brittle, and break during installation. It's recommend that they get replaced. This set includes 2 PCV valves and 5 PCV Hoses.
Our new Compatibility checking feature is still being updated and revised. If you have questions about vehicle fitment, please contact us.
Do these hoses have the pre-installed metal restrictors?