. Kit includes: 3 (TX-00044) Needle Spring 1 (TX-00045) Needle Driver 1 (TX-00046) Needle Holder (19 Needles) 1 (TX-00078) Throttle Valve Spring 2 (TX-00126) Valve Block Dowel Pin (2 Per Tool) 2 (TX-00196) Flutter Valve 1 (TX-00207) Throttle Valve Cap 1 (TX-00373) Plunger 2 (TX-00519) 5″ x .125 Needle Set (19) 3 (TX-00527) Retainer Buffer 3 (TX-00554) Retainer Clip 1 (TX-00636)?Throttle Valve Cap Gasket 1 (TX-00782)?Throttle Valve with O-ring 1 (TX-00848) Throttle Lever Pin 1 (TX-00956) Retainer