Which other MK seats fit a MK3?

[thesmiths88]

I''m looking for a MK3 double passenger seat but having trouble finding one (willing to swap for a swivelling captains seat). Anyway, would any other other MK double passenger seats fit? Even with a little bit of furtling?

Thanks

[dumper]

I fitted mk 5 twins in my mk3 had to drill the floor and use big washers underneath