Ferrea Single Valve Spring Kit for Nissan GTR R35 VR38DETT - KT4016 brand_Hawk oiled cotton media engineered to

oiled cotton media engineered to improve airflow and capture contaminants

It’s even drastically lighter than the 57 lb partially titanium Nismo exhaust

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Applications for high RPM and boost pressure with the ability to run more aggressive camshafts

and to give you peace of mind by verifying that everything is running perfectly on the engine

Ferrea Single Valve Spring Kit for Nissan GTR R35 VR38DETT - KT4016 brand_Hawk oiled cotton media engineered toThe Ferrea Nissan GTR R35 VR38DETT Dual Valve Spring Kit is what we use in all of our in house builds. Ferrea makes the best valvetrain parts in the industry, hands down. Kit includes the following: Single Springs #S10137 (24) Titanium Retainers #E11107 (12) Titanium Retainers #E11110 (12) Seat Locators #SL1116 (24) Valve Locks #K10102 (24)