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Thanks for the input guys, but this is not a discussion forum on whether RB20 and RB25 heads have the same manifold stud pattern etc.

This manifold states that it will fit RB20 and RB25. It may be different to other ones you have seen. Stud patterns are the same, so at worst, on this manifold that you are talking about it should only have required some minor grinding to fit.

Anyway, enough of that,,,, This is a for sale thread so please only reply if you are interested in the manifold.

Thanks

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