Fluidmaster Universal 2" Toilet Fill Valve and Flapper Repair Kit $10 at Amazon
Amazon has the Fluidmaster Universal 2" Toilet Fill Valve and Flapper Repair Kit (400CRP14) for
$10 with free shipping on $25+ or with Prime.*
Walmart*has it for the same price.
Includes the 400A Fill Valve and the 501 Flapper.
Original Source of Info