GSC Power-Division Conical Valve Springs with Ti Retainers for Nissan GTR R35 VR38DETT Castrol MONO SPORT kit includes upper

MONO SPORT kit includes upper mounts exclusively designed for each vehicle model

It is also used in Drifting with it's rear wheel drive setup

Compatible with EDFC Series to enable In-Car Damping Force Adjustment

Works with dry sump systems without any changes to fans

Balanced to + or – 1 gram

GSC Power-Division Conical Valve Springs with Ti Retainers for Nissan GTR R35 VR38DETT Castrol MONO SPORT kit includes upperGSC Power Division Conical Valve Springs with Ti Retainers for Nissan GTR R35 VR38DETT Part # GSC 5068 GSC Conical Valve Springs with Ti Retainers for Nissan GTR R35 VR38DETT Setup Coil Bind (in) Install Height (in) Seat Pressure (lbs) Open Pressure, 11. 30mm lift Maximum Valve Lift (in) Conical 0. 807 1. 324 1. 306 82 88 229 lbs @ 0. 879" 235 lbs @ 0. 861" 0. 453 Max RPM: 9,000 RPM Max boost: 40 psi 1,500 HP Ths GSC Power Division Conical Valve