S&S, steel breather valve & spacer set. +.030" OD - L77-99 B.T. (EXCL TC) 905185 Sold to dealer in packs

Sold to dealer in packs of five

p/n 4013979 (obsolete) replaced by 4016021

USED WITH 73-UP 35/39MM FX

Visor cleaning should be done only with warm water

Full needle style bearing

S&S, steel breather valve & spacer set. +.030" OD - L77-99 B.T. (EXCL TC) 905185 Sold to dealer in packsWith steel breather valve spacer set for correct end play. +. 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: S&S breather valves come with elongated breather holes to increase the duration of the vacuum, allowing more oil to be drawn from the cylinder heads. This has no disadvantage in any