HKS Nissan S13/S14/S15 SR20DET 256 Exhaust CamHKS Camshafts (22002-AN024) STEP1 Camshaft Duration : 256 Deg Position : Exhaust Valve Lift : 11.5mm Valve Timing : 114 DegAbout HKSIn October 1973, two talented and spirited young engineers had a vision; to design and build high performance engines and