Street Triple 765RS 2017> Titanium Engine Bolt Kit (Race Spec)Our engine kits include all the bolts required to replace the fasteners in the side engine casings, this will include (where applicable): clutch covers water pump housing alternator cover sprocket covers Primarily M6 threads with a 5mm Allen key drive. Our Titanium fasteners are made from aircraft grade titanium 6AL 4V (Grade 5) and are incredibly strong, while having an advantage of being around 42% lighter than Stainless Steel. These are polished