This product is a set of Yamaha YR5 R5 YDS7 RD250 RD350 A B 1970-75 cylinder head bolts and washers, totaling 16 pieces including washers.Manufactured in Japan by Yamaha, these anodised zinc bolts are designed as a replacement part for 2-stroke street motorcycles. The reference OE/OEM number is 278-11175-00, and the manufacturer part number is 278-11171-00. These classic parts are intended for use on Yamaha models from the specified years, ensuring a proper fit and reliable performance for your motorcycle restoration project. NOS some Tarnish & minor corrosion from long time storage. Item location Box D3
