Ferrea Dual Valve Spring Kit for Nissan GTR R35 VR38DETT - KT4015 Tampa and is produced from Corus

and is produced from Corus steel billets

Complete flow curves from 35 to 120 PSI and current draw vs

we have less valve distortion at the face than any of the tested designs

5 way may provide more forgiving balance depending on vehicle setup and driver skill when braking is compared to a 2 way setup

The spacing between the flat area of the torque converter pad and the mating surface of the flexplate should be between

Ferrea Dual Valve Spring Kit for Nissan GTR R35 VR38DETT - KT4015 Tampa and is produced from CorusFerrea Dual Valve Spring Kit for Nissan GTR R35 VR38DETT Part # KT4015 The Ferrea Nissan GTR 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: Dual Springs #S10136 (24) Titanium Retainers #E11106 (24) Seat Locators #SL1115 (12) Seat Locators #SL1118 (12) Valve Locks #K10102 (24)