ZRX1200 2001-2008. ZRX1100 1997-2000. ZZR1200 2002-2007. ZX12R Ninja 2000-2007. You are buying a single Downpipe Header exhaust gasket. If you need more than one which most bikes have then change the quantity above to as many as you want maybe 1 or maybe 4 or even more for spares.
