COMP Cams Set of 32 Viton Valve Seals for 2001-2005 GM 6600/6.6L Duramax Diesel

Constructed from Viton, thiese seals ensure a tight fit on 2001-2005 Duramax Diesels' 7mm valves. Designed specifically for use on the 0.426" guide diameter of the '06-'15 Duramax.