The Infiniti G37 Valve Stem Seal keeps vital engine oil where it should be, ensuring that combustion remains clean and power remains steady each time the throttle opens. This Valve Stem Seal is manufactured to exacting factory specifications and forms a tight, yet low friction, seal around each stem inside the aluminum cylinder head of every Infiniti performance V6 engine. As a result, only a hair-thin film of lubricant glides along the guide walls. Maintaining the right precision allows the cam lobes, lifters, pushrods, and rocker arms to prevent metal to metal abuse, which extends engine life and curtails the blue smoke that can fail emissions tests. The compact positive design is common to all G37 models, sedan, coupe, and convertible, so there is just one Valve Stem Seal style that is reliably applied throughout without any tricky fitment issues. Despite experiencing seat pressures approaching 90 pounds and open loads in excess of 200, the material does not harden. However, when mileage builds up, a quick change of the Valve Stem Seal restores crisp idle and standard oil usage. Many owners appreciate the peace of mind knowing their Infiniti is fuel-efficient and eco-friendly because less oil burned means cleaner plugs and a more powerful spark. One major advantage is the effective performance of the seals that Infiniti uses, ensuring that fuel economy does not suffer. This is because the sealing of the Valve Stem Seal means the control unit cannot enrich mixtures to hide an oil burn. The G37 valvetrain operates in silence. Each Valve Stem Seal maintains clearances perfectly so that their smooth operation is not disrupted. Although tiny, they are crucial for Infiniti performance. During lively runs over the weekend, the G37 engine stays calm as each Valve Stem Seal carries factory DNA. According to track day fans, the G37 responds faster off the apex once the Valve Stem Seal does its work, enhancing the premium spirit of the Infiniti brand. Commuters are fond of the G37 for its smoother idle and better stop and go traffic.
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