Nissan Skyline R33 RB25DET 2.5L. Nissan Skyline R31 RB20DET 2.0L. Nissan Skyline R32 RB20DET 2.0L. Nissan Skyline R34 RB25DET 2.5L. Turbo Pros high tensile stud and nut kit is manufactured from high tensile steel, these studs have a higher yield strength and tensile strength than regular mild steel grade.
