Rizoma Cylinder Head Covers ZBW055AB - BlackRizoma Cylinder Head Covers ZBW055AB More of a center piece than an accent piece, these beautiful head covers will transform the look of your R Nine T. Each cover is machined from a 13kg block of billet aluminum and receives Rizoma's famous surface finishes and anodizing. These covers are a true work of art that need to be seen in person to be truly appreciated. Features: Each cover machined from a 13kg block of aluminum High quality anodized finish