Wunderlich - Cylinder Head Protector Original Engine Protection Bar for BMW R 1300 GS & GS ADVWunderlich Cylinder Head Protector enhances the protective effect of the original engine protection bar for the cylinder heads and valve covers of the BMW R 1300 GS and GS Adventure, taking it to a whole new level Function and product features Perfectly fitting and comprehensive supplement to the original engine protection bar of the BMW R 1300 GS and GSA Optimises protection for the cylinder heads, the thin walled valve covers and also for the