No, I think there were wheels included in the base price :-). Note that the two "basic" groups have the same order code (351), so that cannot be the way to select the wheel diameter. The way I understand it is that these denote packages of options that included a small wheel related upgrade (something worth only $3.10 extra on 14in wheel: tyres? hubcaps?) as well as other options unrelated to wheels, for instance (I am making these up...): tinted glass, undercoating, etc.).
The Valiant being an economy car only has the "basic" accessory group on offer. For comparison, the 1967 Barracuda price list has the following accessory groups (sorry I haven't scanned this one):