All the bolts to replace originals on side engine casings including clutch covers, water pump housing, alternator cover and sprocket covers where applicable. Kits are easy to use - remove one bolt at a time, and replace with an identical length Pro-bolt! Primarily M6 threads with a 5mm Allen key drive. Get the wow factor! This kit is an incredible 40% lighter than originals and has great anti corrosion benefits. With the exotic tapered heads this product will really make you bike stand out from the crowd. Our bolts are made from Grade 5 Titanium which can be torque to manufacturers original settings Also included in the kit are pro-lube, and relevant Allen keys.