L lemonjelly Guest Sep 16, 2012 #1 Is the correct size for the inlet manifolds on my 180 42mm (o/d) please? Shaun
Rusty Spokes Hero member Location Decatur, Ga. USA Sep 16, 2012 #2 The original cast manifold O/D I have measures 41.90mm on the sleeve. 32mm I/D and 37.60mm long.