S sorewrist1 FABO Gold Member FABO Gold Member Joined Mar 18, 2012 Messages 352 Reaction score 71 Location Sac Cal Jan 5, 2014 #1 Can you put smaller stem magnum valves in j heads if you change out the valve guides? Jim
66fs FABO Gold Member FABO Gold Member Joined Sep 9, 2009 Messages 9,096 Reaction score 4,397 Location Greenwood, South Carolina Jan 15, 2014 #2 They are .07 inch shorter
70aarcuda Master Hoader of SBM Legendary Member Joined Jan 16, 2005 Messages 16,639 Reaction score 5,968 Location las vegas Jan 15, 2014 #3 most people use 11/32 sb chevy valves that are +.100 ...