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Features Intelligent
Fits all Porsche 981 Cayman / Boxster (Base / S) models (2013-2016)
Fully programmable systems allow you to extract all the performance from your engine by delivering precisely the required amount of fuel and ignition timing that your engine requires for maximum output under all operating conditions
delivering even faster lap times and better dry handling
nothing but gains will be seen and will promote great peak power gains
Ferrea Single Valve Spring Kit for Nissan GTR R35 VR38DETT - KT4016 Tanabe Features IntelligentThe 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)