Description
MCS Breather valve spacer set .110″ to .145″
L77-99 Big Twin (Excl. Twin Cam) (NU)
8-pack Incl. .110″, .115″, .120″, .125″, .130″, .135″, .140″ and .145″. Use with steel breather valves only. Large hole. Used to set correct end play. Note: Steel breathers require steel breather valve spacers. Plastic breathers require plastic spacers. Do not intermix steel and plastic parts.




