Ferrea Single Valve Springs for R35 GTR (S10137) Stoptech Dampers without the top adjustable

Dampers without the top adjustable feature can still be adjusted

Available in sizes from -6AN to -12AN

but to do it in such a way that all of the OEM functionality is retained

then daisy chain each additional gauge (excluding wideband AFR gauge kits)

STM billet radiator

Ferrea Single Valve Springs for R35 GTR (S10137) Stoptech Dampers without the top adjustableFerrea replacement special alloy single valve springs for Nissan R35 GTR. Available as a set of 24 or individually as needed. Vehicle Fitment: 2009+ Nissan R35 GT R VR38EDETT Replacement Springs for the Full Ferrea Kit (KT4016) S10137 Single Spring Specs: Single Spring Special Alloy Outer Diameter: 25. 19 mm Inner Diameter: 18. 3 mm Seat Pressure: 90 lbs Open Pressure: 155 lbs Rate Inch: 165 lbs Coil Bind: 22. 65 mm Max Net Lift: 11. 00 mm Compatible