This high-quality Cometic big bore head gasket, model C8033, is designed to fit the Suzuki GS1100 and GS1150 motorcycles manufactured between 1981 and 1986. With a bore size of 78mm, it will increase the displacement of your engine to 1260cc, providing a significant boost to its performance. This classic part is manufactured in the United States and is an ideal choice for enthusiasts looking to upgrade their Suzuki motorcycles. It is compatible with both GS1100 and GS1150 models and is a must-have for those who want to take their bike to the next level.