Tork Polaris Halcyon Booster Pump Replacement Kit Pb4-60q POLARIS HALYCON BOOSTER PUMP SEAL KIT with 5/8" ID shaft seal THIS KIT ONLY FITS PB4-60Q HALCYON, be sure you own a Q series before oring, polaris makes 4 PB4-60 models Quality replacement parts by TORK Distributors Kit includes: Pump Seal Bracket O-ring