Z06 er Posted December 17, 2003 Share Posted December 17, 2003 What sive is the spark plugs on a 94 LS400 Quote Link to comment Share on other sites More sharing options...
VMF Posted December 17, 2003 Share Posted December 17, 2003 i dont really know what sive is but if you are asking for type then you have to use Denso Ik20 iridium spark plugs. they are OEM plugs for lexus Quote Link to comment Share on other sites More sharing options...
99lsguy Posted December 17, 2003 Share Posted December 17, 2003 The gap is 1.1 mm..... Quote Link to comment Share on other sites More sharing options...
LEXDOGG Posted December 18, 2003 Share Posted December 18, 2003 I didnt know iridium is oem! I have denso platinium in my 91. Can I add iridium in my 91???? 396 Quote Link to comment Share on other sites More sharing options...
VMF Posted December 18, 2003 Share Posted December 18, 2003 you sure can just make sure you are gettin the right ones for the engine and they are IK20 Quote Link to comment Share on other sites More sharing options...
Z06 er Posted December 20, 2003 Author Share Posted December 20, 2003 Whats the socket size? Quote Link to comment Share on other sites More sharing options...
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