DescriptionCopper Exhaust Gasket Set. Features: Manufacturer Part Number: 99999-03989 Highest Grade Copper Alloy Provide the Best Sealing Gasket Recommends Replacing Them when Replacing Gaskets This for Yamaha 99999-03989-00 GASKET, EXHAUST PIPE Fits the Following Models And Components: Snowmobile 2004 RX-1 - RX10J Exhaust Snowmobile 2004 RX-1 MOUNTAIN LIMITED EDITION - RX10MSJ Exhaust Snowmobile 2004 RX-1 ER - RX10RJ Exhaust Snowmobile 2008 FX NYTRO - FX10XW Exhaust Snowmobile 2008 FX NYRO RTX NO REVERSE - FX10RTX Exhaust Snowmobile 2008 APEX MTX SE 40TH ANNIVERSARY - RX10MTAX Exhaust Snowmobile 2008 APEX MTX - RX10MTX Exhaust Snowmobile 2008 APEX LTX - RX10LTXB Exhaust Snowmobile 2008 APEX LTX - RX10LTX Exhaust Snowmobile 2008 FX NYTRO MX - FX10MTRX Exhaust Snowmobile 2007 NYTRO ER - RS90NRW Exhaust Snowmobile 2008 APEX GT 40TH ANNIVERSARY - RX10GTAX Exhaust Snowmobile 2007 VECTOR MOUNTAIN SE - RS90MSW Exhaust Snowmobile 2007 RAGE GT - RSG90GTW Exhaust Snowmobile 2006 VECTOR GT - RS90GTL Exhaust Snowmobile 2007 APEX ER - RX10RW Exhaust Snowmobile 2007 APEX MOUNTAIN SE - RX10MSW Exhaust Snowmobile 2007 ATTAK GT - RXW10GTW Exhaust Snowmobile 2007 APEX MOUNTAIN - RX10MW Exhaust Snowmobile 2006 APEX RTX ER (W/REVERSE) - RX10RTRL Exhaust Snowmobile 2005 RS Vector - RS90K Exhaust Snowmobile 2005 RS Vector ER - RS90RK Exhaust Snowmobile 2010 FX NYTRO MTX SE 153 - FX10M53SZL Exhaust Snowmobile 2010 APEX GT - RX10GTZL Exhaust Snowmobile 2010 FX NYTRO MTX SE 162 - FX10M62SZL Exhaust Snowmobile 2010 FX NYTRO RTX - FX10RTRZB Exhaust Snowmobile 2010 FX NYTRO XTX - FX10XTZW Exhaust Snowmobile 2010 RS VECTOR LTX GT - RS90LTGTZL Exhaust Snowmobile 2009 FX NYTRO RTX SE - FX10RTRSYL Exhaust Snowmobile 2009 APEX_RTX - RX10RYR Exhaust Snowmobile 2009 APEX LTX_GT - RX10LTYR Exhaust Snowmobile 2009 RS VECTOR LT_GT - RS90LTGTYB Exhaust Snowmobile 2009 RS VIKING PROFESSIONAL - VK10YR Exhaust Snowmobile 2009 RS VECTOR_GT - RS90RYW Exhaust Snowmobile 2011 FX NYTRO SE 153 - FX10M53SAB Exhaust Snowmobile 2011 RS VENTURE GT - RST90GTAL Exhaust Snowmobile 2011 RS VENTURE - RST90AS Exhaust Snowmobile 2008 RS VENTURE - RST90X Exhaust Snowmobile 2008 RS VECTOR LTX - RS90LTXB Exhaust Snowmobile 2008 RS VECTOR GT - RST90GTX Exhaust Snowmobile 2008 RS VECTOR GT - RS90GTXL Exhaust Snowmobile 2008 RS VECTOR GT 40TH ANNIVERSARY - RS90GTAXW Exhaust Snowmobile 2008 RS VECTOR LTX GT (Deep Purplish Blue Metallic C) - RS90LTGTX . We are an international seller, your order will be from abroad so please allow the necessary time of minimum 14 working for right now depending on where you to, due to ongoing delays in postal globally.