The Carburetor Guy Genuine part 
 
Kawasaki Gpz550 kz550  TK Carburetor kit
Condition is Brand New High quality viton rubber. Can be used with ethanol
 
4x vacume rubbers
4x choke plungers
4x bowl gasket
4x bowl O'Ring
4x bowl float O'rings
12x fuel tee O'Ring
8x throttle shaft Seal
4x air tee O'ring
4x idol adjuster screw O'ring
 
PLUS A MASSIVE
58x piece - JIS screw kit for the complete carb. Inc brackets bows tops,  butterfly valves ect for that JIS period correct finish.
 
Why this kit??
Hi quality Viton rubber can be used with ethanol, Unique parts that are no longer in production. 
 
The importance of shaft seal replacement!!!
Is your bike bogging down, high or erratic idol? Or are you unable to get a good carb synchronization? Most likely your shaft seals are worn.
 
This kit has everything you need to recondition a carb. We recommend cleaning and re using your OEM jets and needles with our kit. Don't buy cheap aftermarket jets just clean and reuse your oem originals.
 
We know Carburetors and use these kits on all our builds please view our website or social pages for great build