Up for sale is VERTEX 1998-2002 400 SX 4-Stroke KTM EXHAUST GASKET KIT 823117. The vendor part number is 823117. Please read title to know what is for sale. Catalog description..

• 2-Stroke kits include all applicable o-rings, springs, washers and gaskets
• 4-Stroke kits include exhaust gasket (KTM version also includes springs)