size

  1. O2 Sensor Thread Size?

    Does anyone know this? I cant figure it out and cant exactly take it off and take to the store. I bought an M10 and it was too small, bought an M12 1.75 and the threads weren't right. Thanks for any help.
  2. Piston diameter?

    Bit of an odd question but what’s the diameter of a Rocket 3 piston? 2.3 or 2.5 will be fine, the measurement will be close enough for my needs. “Why?” I hear you ask. Well because I want to make three gavels from them, obviously. Now aren’t you sorry you asked? 🤣 I’ve tried Google but it’s...