HONDA VALVE STEM SEALS KIT - B / D / K / H / F SERIESHONDA Valve Stem Seals. This is a complete set of 16 valve stem seals for most Honda engines. As with all genuine Honda parts expect a perfect fit and performance. You will receive 8x 12210 PZ1 004 and 8x 12211 PZ1 004. These will fit all B series, D series, K series, H series and F series engines (B16, B18, K20, D16, H22, F20 etc). The Honda oem valve stem seal is the best you can buy , it is better than all the aftermarket performance seals on the