HIYOYO Chrome Aluminum Spark Plug Head Bolt Covers Fit for Harley Touring Softail Dyna Twin Cam Engines Models 1999-2017

["【Fitment】Fit for 1999-2017 Harley Twin Cam Models, For Dyna, For Softail, For Touring.","【Function】Vents on top and back allow harley engine to dissipate heat efficiently, sleek chrome covers add a classy touch to the Twin Cam engine.","【Material】Made of High-Quality aluminum alloy cover, custom design with stepped and slotted, upgrade your bike with a more attractive look!","【Easy installation】Direct replacement, held in position with set screws; Ensures rattle-free performance.","【Package Include】1 Pair Spark Plug Covers with fixing bolts. No instructions."]