Description

JIMS, steel breather valve. STD. Elongated

With a elongated rear oil hole for better crankcase vacuum, especially with large capacity engines. Manufactured from aerospace quality steel and CNC machined to the JIMS standard. Note: JIMS breathers can be used with L79-99 style steel breather valve thrust washers.

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