I picked up a set of Bilstein BTS-7514 and need some info on the coils they come with vs. the Tundra TRD Y/Y-Y/B springs I have. The BTS springs are a 2.5" Hyperco progressive, the TRD springs are a progressive but I don't know the diameter, nor the rates of either. Bottom line is I am trying to find out if I should/can use the TRD springs on those shocks. I am a little concerned as Bilstein only advertises a 2" lift on these coilovers for the Tundra. Should I expect more due to the fact they are going in a 3rd Gen 4 Runner?


Thanks for the help

 

I think I answered my own question. From comparing pictures of the two I have come to the conclusion that no, the TRD coils wont fit on the BTS shocks. Gonna run the BTS coils and see what I come out with.