Motorcycle Engine Crankcase Seal For CBR1000 RR 2004-2005 Fit For Honda CBR1000RR 2004-2005 cylinder head crankcase side cover assembly Aligns mounting bolt holes for direct installation without or extra fittings Prevents combustion fluid leakage during speed track street riding Made of multi layer composite sheets with smooth trimmed sealing edges Duplicates cover contour thickness to seal all engine joint surfaces evenly