Rocker Box / Cylinder Head Breathers. Fits Twin Cam 1999-2017. - Feuling RR Shocks - XL'04up Black * Our MLX Gasket (Multi-Layer-Xtreme)

* Our MLX Gasket (Multi-Layer-Xtreme) features an extra ‘stopper’ fold-over layer providing a torque limiting surface that prevents yielding of the combustion seal

* Height from hood at flip: 10

* Heavy Duty applications are recommended for 225kgs & up rider and passenger total weight

* More mid-range and hi end power

Rocker Box / Cylinder Head Breathers. Fits Twin Cam 1999-2017. - Feuling RR Shocks - XL'04up Black * Our MLX Gasket (Multi-Layer-Xtreme)Features & Benefits: * Optimises Engine Breathing on Twin Cam Engines * Properly sized breather holes provide enhanced breather performance * Machined from billet 6061 aluminium with square surfaces promoting excellent gasket and breather system sealing. * Includes billet breather housings, gaskets, breather filter elements, umbrella valves and ARP hardware. * Replaces OEM # 17025 03A * MADE IN THE USA