You mean like from Ford? I haven't even bothered with them since I figured they'd be the most expensive. My first set probably went around 60K then 80K and now I'm at 94K. I'm thinking that if the part is gonna fail this much the cheaper the better.

Darren '98 Mystique LS -Duratec, MTX Nakamichi CD-40z, Knauberized, KKM tru rev intake, 9MM Motorsport Wires, SVT Springs/Struts