I bought and love the Pro grip 737s. I saw that a lot of people also love the 714s. So I wanted to ask, which is overall better? and why? Thanks

I just installed some Pro Grip 737s to replace my stock ones... Does it matter what one goes on the left and which goes on the right side? It seems as if the throttle side is much larger than the left side. I wasn't sure if this is normal, or if they are put on wrong? I just never noticed the...