Plastic breather valve spacers .165" - L77-99 B.T. (excl. Twin Cam) (NU) 500558 Add some real wild style

Add some real wild style to your old Shovelhead powerplant with these great rockerboxes which feature distinctive fins all over

verzonken schroeven en stelschroeven

With slotted holes for horizontal seat position adjustment

does not include speedometer

Plastic breather valve spacers .165" - L77-99 B.T. (excl. Twin Cam) (NU) 500558 Add some real wild styleUse 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