Doubt it, but call and ask. Personally, I dont see the reason to dump that much on hasport mounts when there are other companies that make them too, for less. Stiffer mounts will make your interior rattle and buzz.
LSD is limited slip diff, I really dont feel like explaining how they work
Just search and you'll learn the difference. lsd is going to make it cost more... But it kinda seems like you have money to spend