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Valve Guide - Intake / Exhaust - 1st Oversize - 8.9 x 13.26 x 51.1 mm
Reference No.: 930 104 321 50
Description
As valve guides age, they lose their ability to locate the valve to the valve seat. That can create a loss of performance due to the ineffective seal of the combustion chamber. Be sure to replace your guides when replacing valves, valve springs, etc.High-quality OEM replacement, designed to perform like the original. We source this part in Germany to ensure quality, reliability and precise fitment.
Sold Individually. 6 Necessary Per Vehicle for 911's.