FEBCO COMPLETE RUBBER KIT 150MM (905-164)KIT INCLUDES : Both Disc Assemblies, Seat Gaskets,and O-rings

FEBCO CHECK SPRING 150MM (905-144) KIT INCLUDES :1st or 2nd Check Spring

FEBCO DISC ASSEMBLY 150MM (905-154)KIT INCLUDES :Disc Assembly and Cover O-ring

FEBCO SEAT KIT 150MM (905-159)KIT INCLUDES : Seat Ring, Seat Arm, Gasket, O-Ring, Nuts