Yamaha RD400. It contains 8 new studs as shown in the picture. This is a set of cylinder studs to fit the following motorcycles Not what you want?.
Yamaha rd250, rd350, rd400 Stainless steel top yoke nut and washer.
Yamaha TZ350G stainless steel cylinder studs, set of 8 (CH18)
Yamaha RD350LC stainless steel crankcase studs, set of 8 (CH7x6+CH8x2)
Yamaha RD350 stainless steel cylinder studs, set of 8 (CH7)
Yamaha MT09 Stainless steel exhaust header studs and flange nut kit bolts
Yamaha RD350LC stainless steel cylinder studs, set of 8 (CH9)