Description

JIMS, steel breather valve. +.030″

+.030″ oversized breather is used to save worn or damaged crankcases. Manufactured from aerospace quality steel and CNC machined to the JIMS standard. Note: See 978343 JIMS breather hole reamer tool. Note: JIMS breathers can be used with L79-99 style steel breather valve thrust washers.

Fits: > L77-99 Big Twin (Excl. Twin Cam) (NU)