BETA COMPL.PISTON D.64,4

BETA COMPL.PISTON D.64,4 is the genuine Beta OEM piston (part no. 25.86201.800). It converts combustion pressure into drive and sets your compression.

Refresh it at the recommended top-end interval or after a seizure. Genuine OEM means exact fit, correct materials and no guesswork — and it protects your warranty.