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42# (440cc) Ford Motorsport Injector O-Rings

1.2K views 3 replies 3 participants last post by  repforenzo  
#1 ·
My beloved 440cc Ford Motorsport Injectors that came with my Tearstone kit didn't come with any o-rings... does anybody know what vehicle these come stock on? I've been searching for dayyyysss and can't find what o-rings I need.
 
#3 ·
I wouldn't double them up. I had problems with shredding o-rings when I tried to double them up. Just use a single OEM o-ring and insulator per injector - I've been running like that for over a year with no problems.