S&S, steel breather valve. +.030" OD - L77-99 B.T. (EXCL. TC) Batteries bottom plates racing- or veteran- (oldtimer) and

racing- or veteran- (oldtimer) and collector bikes

Smoother and noticeably smaller than the original but very recognizable and in full sync

Kleur: Rainbow

1937-1948 Big Twin

S&S, steel breather valve. +.030" OD - L77-99 B.T. (EXCL. TC) Batteries bottom plates racing- or veteran- (oldtimer) and+. 030" oversize steel breather valve. Used to save worn or damaged crankcases. Okay for stock or high performance replacement. Note: JIMS has a +. 030" breather hole reamer tool which is available as 978343. Note: that steel breathers require steel breather valve spacers. Plastic breathers require plastic spacers. Do not intermix steel and plastic parts. Note: S&S breather valves come with elongated breather holes to increase the duration of the