Nah, you just need Jimbo, from thisoldappliance (dot com)
There's a repair kit for this which includes 2 new valve seats and 2 new springs for the seats, plus two o-rings for the faucet arm shaft. It also includes a new diverter valve in case it has the sprayer. Most Tru Value or Ace Hdw carry them.
There's a small Allen screw under the handle to get you started. Once the handle is off, use your channellocks to unscrew the cap to reveal the ball and seats. The faucet arm will lift off at this point and you can replace the o-rings and diverter valve at that time. Use clear silicone lubricant (paste) when re-installing.
You don't even have to bend yore big self over...it's all done from the countertop (send the brat under the sink to shut off the water)
Here's a good link to see some PP parts:https://www.mitchellsplumbing.com/store/index.php?manufacturers_id=15