Viton, 5.5mm stem, 10.6mm guide O.D, 12.5mm seal O.D

2015+ Subaru WRX FA20 engine – Exhaust Valve Steam Seal x 8: Stem 5.5mm. Guide OD 10.6mm. Seal OD 12.5mm. Viton.  

Brand Kelford Camshafts
Man Part No VS-T5.5E-8