roasty Posted March 27, 2015 Share Posted March 27, 2015 hi I'm sure this has been answered many times before but the search function keeps bring up a blank. My question is what are the best plugs to use on the HR engine I have no modifications to the engine and not planning any for the near future Also does the HR and DE use the same size plugs Quote Link to comment Share on other sites More sharing options...
GMballistic Posted March 27, 2015 Share Posted March 27, 2015 I'm not all that clued up on my plugs but I do believe they differ between the 2003-2006 DE and the HR engine. This is what Horsham Developments have listed for the HR Zed (Nissan recommended apparently): http://www.h-dev.co.uk/product_info.php?cPath=78_169_293_1418&products_id=25465 Hope that helps. 1 Quote Link to comment Share on other sites More sharing options...
MITZ@CougarStore Posted March 27, 2015 Share Posted March 27, 2015 DE and HR plugs differ, we supply the OE Denso for the HR... 2 Quote Link to comment Share on other sites More sharing options...
GMballistic Posted March 27, 2015 Share Posted March 27, 2015 DE and HR plugs differ, That's what I said. Ok you knew you where right and I just believed I was right but still... 1 Quote Link to comment Share on other sites More sharing options...
roasty Posted March 27, 2015 Author Share Posted March 27, 2015 Ok thanks seems HR service parts are a lot harder to find than DE Quote Link to comment Share on other sites More sharing options...
GMballistic Posted March 27, 2015 Share Posted March 27, 2015 Ok thanks seems HR service parts are a lot harder to find than DE Not necessarily, ...you just need to know where to look. Can't go wrong with the Cougar Store. Quote Link to comment Share on other sites More sharing options...
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