I agree on site navigation. Pretty hard to beat Summit.
Being Canadian I have no hassle at the border with their packages. Now that said I wouldn't be scared to try Jegs out if they had something I needed in a hurry.

1971 Plum Crazy Super Bee. 572 World Aluminum block with a Cope 727 & Dana 4.10 out back. 9.88 @ 138 with a 1.35 60 NA. Dialed back to 10.0’s. 4000 lbs with me in it.