I like all of them . At one time or another Jegs, Summit and Lane have exceeded expectations.
Rarely do any of them drop the ball.
I ordered springs and locks from Summit yesterday about noon, and they were sitting in front of the doors when i opened up the store this morning with standard shipping.

69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, low 10.30’s 1/4
1.41 best 60 foot
6.56 at 104.17