Holden Rodeo 4JJ1 3.0L 2007-2008. Holden Colorado RC 4JJ1 3.0L 2008-2010. Isuzu D-Max 4JJ1 3.0L 2007-2010. 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.