Jps190 Posted May 22 Share Posted May 22 I am going to change out the grease zerks for 45 degree fittings. What size are the fittings and are they all the same size? thanks, John John and Kim 2021 GMC Sierra 2500 AT4 6.6L Duramax 11350 GVWR 3048lb Payload 2021 Oliver Elite II. Hull #887 Link to comment Share on other sites More sharing options...
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