Couple hundred bucks maybe? They don't seem to have the demand that the other parts do because you need an SAP rear bumper or Banshee cutouts on an '04 bumper to use them.
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Ken '68 GTO - 464 - Ram Air II heads - 236/242 roller - 9.5” TSP converter - Moser 3.55 Truetrac (build thread | walk around)
'74 Ventura 350
'69 AMC Javelin SST
Threaded Mode