XJsavage CounterCulture Joined Aug 15, 2009 Location Lyle's Ford SC Jun 30, 2016 #1 5.3 LS fuel rail clamp screw. Can someone please tell me what size this stupid thing is??
a_kelley mechanical fixer Joined Jan 26, 2010 Location Rutherfordton Jun 30, 2016 #2 M4 x 20 ? My guess. It's that or m5.
XJsavage CounterCulture Joined Aug 15, 2009 Location Lyle's Ford SC Jun 30, 2016 #3 I made an mt15 work. It was sketchy though. Thanks.
ddbarr4 Active Member Joined Mar 18, 2015 Location Batesburg-Leesville Jun 30, 2016 #4 Just checked on my 6.0 Chevy. It's a t20.
shawn running dog lackey of the oppressor class Administrator Joined Mar 13, 2005 Location Raleigh, NC Jul 1, 2016 #5 Looks like a Torx to me.