Thread: Spark Plugs
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Old 10-15-2013, 07:14 PM
russlars's Avatar
russlars russlars is offline
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Join Date: Jan 2008
Boat: Mastercraft 205, 1999, LTR
Location: Northwest
Posts: 1,472
Spark Plugs

My LTR calls for AC Delco MR 43 LTS plugs. My local NAPA store ordered me some in and they said that this number has been discontinued and it is now just called #8. They look slightly different than the old ones. Are they really the same and without the MR designation I am wondering if they are a marine plug? Anyone else run into this?
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1999 Prostar 205 with 330 HP LTR
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