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precision ground to extremely tight tolerance
This movement can also contribute to metal fatigue and cracking of the Down-Pipe
solving the OEM injector cup leaking issue
This can lead to blockage and reduced cooling capability
2001-2016 GM 6.6L Duramax Valve and Spring Kit 2023-2026-toyota-sequoia-6-cyl-3-4l-twin-turbo-esi3816658 precision ground to extremely tightThis is the valve and spring kit that comes standard with the PPE Cast Iron Cylinder Heads. Kit features straight valve springs with an installed pressure of 85 90 pounds, which offers higher responsiveness and better boost handling. All valves are fully nitridated, 21 4N super alloy exhaust valves. The spring retainers and seats are made of case hardened high strength chromoly steel for superior wear resistance. The FKM valve seals are tailored to
