HONDA GENUINE VALVE KEEPERS / COLLETSHONDA Keepers. These fit most Honda 4 cylinder engines. This specific part number is used in all B series, K series, D series, and H series engines and even NSX engines. This kit is for a set of 32 keepers (the amount required for a 16 valve engine) Suitable for the following D series 1988 2000 B series 1988 2000 K series 2001 2003 H series 1988 2000 Honda changed the angle of the keeper in or around 2004 (that can depend alot on the model) if you are