I have the pacesetter 1 3/4 but will be replacing them with the tsp 1 7/8 next week!! I would say they are a great deal and I would rank them up there with the big names like arh, kooks, and stainless.
TSP Cam 231/236 112 LSA,TSP UD,Fast 102 w/Ported TB,AirAid CAI,1 7/8 catted Stainless Power LT,3 IN MBRP 3 in Exhaust/180*,Spohn LTA's,Toe Links, Drag Bar,Diff bushings,Hurst shifter,Hendrix/DSS 1400HP Axles,Nitto NT555R's,Lethal Performance Custon Tune 480 RWHP 454 RWTQ!! Best run so far is 11.94@121 LPE 3.91's Coming soon NW 102, and DSS DS, then car should be complete!!!