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JCChildress · 02-07-2019, 11:13 AM

How long do most of y'all run hollow stem valves in Super Stock ? This is a 327 stick car. Just curious how many runs most get out of them.

02-07-2019, 11:13 AM	#1
JCChildress Member Join Date: Apr 2007 Posts: 210 Likes: 12 Liked 13 Times in 6 Posts	Hollow Stem Valves How long do most of y'all run hollow stem valves in Super Stock ? This is a 327 stick car. Just curious how many runs most get out of them.