Trask, Twin Cam Mystfree breather kit

Direct replacement for the OEM breather units. By draining oil more efficiently into the rocker and back to the crankcase, you will reduce the oil mist and less oil from the engine breathers. Easy solution for good results. 6061-T6 billet aluminum construction. Includes: 2- MYSTFREE Breather Units 4- 1⁄4 20 Bolts 4- 1⁄4" AN Washers 2- MYSTFREE Copper Base Gaskets 2- MYSTFREE Cover Gaskets 2- Rocker Box Cover Gaskets 1- #36 (.104) Drill Bit 1- Shorter bolt for use in Softails (optional)