Sp515 redesigned and now sp546 new tip design
08-25-2017, 08:07 PM
#1
05 5.4l 3v s.crew lariat
Thread Starter
Sp515 redesigned and now sp546 new tip design
Big Screen D found this , They seem to have beefed up tip . I would not use the sp515's as they have been showing up bad out of the box .
Good pictures and pictures of manuf box . New plug sp546 vs old sp515
.
https://www.f150forum.com/f4/sp-546-...5-plug-392452/
Good pictures and pictures of manuf box . New plug sp546 vs old sp515
.
https://www.f150forum.com/f4/sp-546-...5-plug-392452/
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techrep (08-26-2017)