Plastic breather valve spacers .135" - L77-99 B.T. (excl. Twin Cam) (NU) 970190 taller riders will value it

taller riders will value it for its low profile

040" HEADGASKETS

length: 44 cm

EN1621-1: 2012 CE Level 2

Plastic breather valve spacers .135" - L77-99 B.T. (excl. Twin Cam) (NU) 970190 taller riders will value itUse with plastic breather valves only. Large hole. Note: Steel breathers require steel breather valve spacers. Plastic breathers require plastic spacers. Do not intermix steel and plastic parts. Note: The OEM plastic breather is low cost but an inferior, poor quality product that will cause damage to crankcases in the breather bore since it is prone to distorting. The sooner this stock type breather is removed, the better. We highly recommended to