DutchGrasshopper
Registered User
The Netherlands
Just got this nice authentic used sparkplug of one of the Royal Netherlands Air Force Historical Flight's L-21B:smile:
https://kluhv.nl/home-eng/nieuws/de-vliegende-vloot/piper-l21b/
https://kluhv.nl/home-eng/nieuws/de-vliegende-vloot/piper-l21b/