Originally posted by Kai
Sure, assuming you have an entire SiR front clip, a welding machine, fabrication skills, and a LOT of free time on your hands. 
In short, no. Hate to say it, but you have to use aftermarket mounts for the quickest, easiest, and cheapest installation.
If you're using the b16a from a crx sir, then it will bolt right in, but you will need the mounts that come with that engine.