with 99-10 style head breather gaskets

ALL 3 3/4" (88"/96") & 3 7/8" (95"/103") BORE APPLICATIONS

Note: Type 'A' and 'B' Evolution base gaskets explained

With each cam change S&S recommends their 583903 Precision tappet assembly set

Fork Tube PlugsPart no:23

FEULING, OIL TANK BREATHER KIT & VENTED DIPSTICK. POL. CAP M8 2018-up with 99-10 style head breatherPolished stainless cap. Comes as complete kit with vented dipstick, filter, braided clear PVC covered line. Dyna models have the oil tank mounted under the transmission. The engine, with two massive pistons going up and down, breathes in to the oil tank. This system is a way to vent the oil tank to help reduce pressure build up and reduce power robbing pressures and stops dipstick blow out. Note: Gaskets are supplied where required. Fits: > 06 17 Dyna