To Fit GSF600 GSF650 GSF1200 GSF1250 Bandit ALL YEARS. 42mm Copper Exhaust Gaskets and Stainless Exhaust Header Studs. 4 x Copper Exhaust Header Gaskets. 8 x Stainless Flange Nuts. Ideal Upgrade for Original Bolts As The Studs Have Allen Key Hex Head Machined.