FloridaScaleBoater Well-Known Member Supporting Member Joined Oct 2, 2005 Messages 7,951 Apr 11, 2011 #1 Could anyone tell me if the carb bolt flange is the same for these two 21's and the 45's
LarryConrad Well-Known Member Joined Jan 20, 2007 Messages 2,773 Apr 11, 2011 #2 Red head valvola and VAC.21 are not interchangeable.