The X-Head DOHC is designed to protect more of the cylinder head surface than any other guard in the event of a fall. Even if it gets away from you in the driveway, the inertia will cause the bike to roll onto the face of the cover before the bike settles down on the bottom of the cylinder. When off-road riding, X-Heads work together with crash bars to prevent damage from rocks that can get past the bars. Behind the tough polymer shell is a thick rubber liner that helps absorb impact force against the cylinder. The thick shell scrapes when dragged along the ground, but it does not break.
X-Head DOHC protects while letting just enough of the head shape to show through and fits all Dual Overhead Cam engines. Included are stainless steel bolts, washers, & installation instructions.