You would likely be paying exactly what Ziggy is paying for shipping a box out the door via UPS.
Is that price quoted in US or CDN dollars?
Not sure if that included your duty/tax if any on top of that.
Shipping on the US end is, and always has been substantially cheaper; but recently they have been making up the gap with some companies (USPS to name one).
I'm one of the few guys here on the forum, that from our end on shipping, has been paying substantially more to acquire any and all parts coming from the US.
Don't worry not a knock on anyone here, just the reality of stuff having to cross the border and the extra cost that comes with it.
Your parts listed may be duty free? NAFTA?
They are made in Canada if that is an RTM in house product. They design and machine lots of stuff.