The GT-R man and dog, consist of only GTR eng... The GT-R man and dog, consist of only GTR engine components. SP Engineering is a True GT-R Specialist from RB26 to VR38DETT #spower #spengineering #sptuned #titekinnovations #titekusa #gtr #r35 #skyline #rb26dett #vr38dett #nissan #spl A photo posted by Chris@SP-power.com (@spchris) on Jan 12, 2016 at 2:01pm PST