OE/OEM Part Number: HIVN-200F, HEVN-200F, SPR-H100DR, VS-H5., 5, GDE-HB In 2006, Supertech introduced stem Superfinishing as a standard addition to all valves at no additional cost. Superfinish combined with a Black Nitrided valve reduces the surface roughness to 1/3 of the chrome coated valve for unsurpassed performance and durability Bundle Description: valves, springs, retainers, seals, guides, locks kit Honda S2000 Felgen Supertech Complete Budget Valvetrain Honda B-Series B16A B18C Valvetrain Kit Neu, Non-Domestic Product: No