[DeTomaso] Porterfield R4S brake pads

[Matt]

Hi listers,
Which vendor(s) sell the Porterfield R4S pads for our cars? I would prefer to give them some business as long as the pricing is similar to what Porterfield charges.
I checked the website today and they want $139 Front and $115 Rear. I would hope thats for both sides but it might be per wheel. 
Would like to hear about best prices for these things.

Thanks,
Matt
3584
Reno or bust!