From:Robbie Electronic:tls -A- newmex.com
Subject:RE: 54 165 ST 3/4 Date:Sat Aug 27 00:16:40 2011
Response to:16242
Sorry,
But NO lightweight in the 125/165/175/ Hummer family ever used an 18MM plug. Sounds like you need a head!
Robbie

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Looking for correct (Large) plug fo 54 165
Have purchased part no. 32305-48 and this is
widely advertised for this model but it is 14mm
Have two #2 plugs to trade for one correct one.