Uses high temperature epoxy that is stronger than OEM, eliminating the possibility of magnet detachment. Has a high grade steel capping to prevent heat and friction from degrading the epoxy attaching the magnets. Balanced precisely to eliminate crankshaft vibrations for longer engine longevity. Built to OEM size so it fits precisely in your ride. Comes with a two years warranty. Aftermarket replacement part for: Yamaha FZ1 1000 -- 2012-2014
Yamaha FZ8 800 -- 2011-2013
Yamaha FZS1 -- 2015
Yamaha YZF R1 1000 -- 2004-2008