Promaster (Buna-N 70 durometer unless specified):
006 - LPR return in vertical adapter
010 - Ram piston, vertical adapter outlet
015 - Ram end cap
015 UR90 - HPR and LPR piston, LPR adjuster, ASA
016 - Valve body, LPR inner seal
019 - LPR outer seal
020 - HPR upper seal