WINDEROSA 2004 LEGEND 600 HO SKI DOO 711278 PROFESSIONAL GASKET SET WITH OI L SEAL. The vendor part number is 711278. Read title to know what you are getting. Catalog descrition� Winderosa Full Gasket Kits include Head, Base, Exhaust andIntake Gaskets-'O'Rings if required and oil seals to rebuildthe complete engine - all cylinders. PLEASE NOTE ALL SEALS,EXHAUST GASKETS AND INTAKE GASKETS CAN BE PURCHASED SEPERATELYAND ARE LISTED BY PART NUMBER. Complete with oil seals allgasket sets are for the number of cylinders listed.