Colin89 Honda Pilot! Donator Joined Sep 4, 2007 Messages 814 Oct 22, 2007 #1 I am just wondering will my s21 box in my sir fit onto a b18c5 type r block? or will it not match?
rvm admin Staff member Joined Apr 15, 2006 Messages 10,695 Car(s) EK9/Civic Oct 22, 2007 #2 Yes, it will fit, all B series boxes are compatible.
