This Rebuild Kit Includes: Two (2) Diaphragms, Two (2) Bowl Gaskets, Two (2) Choke Gaskets, Two (2)  Jet Stock "O" Rings, Two (2) Start Valve "O" Rings, Two (2) each Throttle Shaft "O" Rings, and Four (4) each Idle Jet & Mix Screw "O" Rings.