Graves Motorsports Yamaha R6 2006 + Left Side Engine Case Cover. Graves Motorsports CNC’ed billet aluminum engine generator case cover. Adds protection and style to your Yamaha R6 sport bike. NOTE: Covers are now anodized black. Billet aluminum engine covers are now being mandated by many racing organizations across the USA (AMA + MRA + CCS + WERA + AFM, etc). Graves Motorsports Engine Covers are designed to help guard against leaks caused by grind through thus preventing crashes and delays from spilled oil. When protection matters, trust only Graves Motorsports Engine Covers! Fitment: Yamaha R6 2006 and up