!!Salarzae Mystry map!!
1st hint=He says that it is a cinch
2nd =He askedd where the vaccum goes ?
3rd =The so called disc look alikes sounds like a piston and the black material is piston rubber pressure seal.
4th Hint=Racerf1 : It transforms something to something
Final equation= cinch+vaccum endpoint+picture+ Racerf1hint = Master Brake cylinder