lex90 Posted November 29, 2006 Share Posted November 29, 2006 Gearing up to change plugs/wires on '90 LS 400. Notice that many on line sellers carry spark plugs seals. I don't see these referenced in the repair tutorials. What are they? I suspect the existing plugs & wires are original. Will I be removing old seals? Quote Link to comment Share on other sites More sharing options...
larryp Posted November 30, 2006 Share Posted November 30, 2006 Not sure what they mean by seals, but you don't have 'em. Recommend buying oem wires so they will fit properly (smaller diameter than some aftermarket wires). It would get awful crowded with "standard" size wires. Just bought a set for mine from newlexusparts.com for $114. Quote Link to comment Share on other sites More sharing options...
lex90 Posted December 1, 2006 Author Share Posted December 1, 2006 Which plugs did you go with? Quote Link to comment Share on other sites More sharing options...
larryp Posted December 1, 2006 Share Posted December 1, 2006 Sorry i don't remember. Replaced them 60K miles ago. I do remember they were platinum but don't remember the brand. Quote Link to comment Share on other sites More sharing options...
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