HHC Diesel -Ford 6.0L Diesel Nipple Cup/Ball Tube O-Rings/Seals- Set of 8 Special Heavy Duty Viton Blend (F60L-BALLSEAL) The best seals ror rebuilding your high pressure oil rail. Proven to last Special extreme duty viton blend seals guaranteed not to fail prematurely You will receive; 8- HHC Diesel Brand Viton Blend O-Rings in Retail Packaging with UPC, Manufacturer's Special Instructions, 2 Year Warranty 2 Year, unlimited mileage manufacturer's warranty. At HHC Diesel we stand behind our products Compatible with all 6.0L diesel engines 2003-2010(Ford SuperDuty F-250/350/450 & E-Series)