Race Developed Products from GBRacing Titanium Engine Bolt Kit for Yamaha YZF-R1 / YZF-R1M titanium grade 5 race spec flanged hex head bolts specifically designed for use with GBRacing Engine Case Cover Set EC-R1-2015-SET-GBR to be fitted by a qualified technician refer to manufacturer’s torque recommendations do not over-tighten Package includes: 3 x TIHX612R M6 x 1mm x 12mm 5 x TIHX620R M6 x 1mm x 20mm 9 x TIHX625R M6 x 1mm x 25mm 8 x TIHX630R M6 x 1mm x 30mm 9 x TIHX635R M6 x 1mm x 35mm 2 x TIHX645R M6 x 1mm x 45mm 2 x TIHX650R M6 x 1mm x 50mm 1 x TIHX815R M8 x 1.25mm x 15mm Suitable for Yamaha YZF-R1 and YZF-R1M 2015 - current Part No. TI-R1-2015-SET