Group Buy: Porterfield R-4 Pads for Rear MK3 Supra


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R-4 Full Race Compound – Designed specifically for heavy-duty motorsports.  The carbon based semi-metallic R-4 materials allow the pad to absorb tremendous amounts of heat and dissipate it at very even rate.  Carbon Kevlar material warms up to race temperature quickly, which is quite helpful during restarts, and when track time is limited.  When used with cast iron and steel alloy rotors, the R-4 compound requires minimal bed-in period. Throughout the entire heat range, the carbon kevlar material will give extremely consistent modulation and predictably.  This is truly the most rotor friendly racing brake pad material ever.  Good for road courses, oval track, rally, vintage racing, autocross, club events or professional racing events.


Please Note:  Due to strict MAP (Minimum Advertised Pricing) Policies we can not list these for less than what we have.  However for the purposes of the group buy, since we are shipping out a lot of orders and getting a huge shipping discount we will offer free shipping.  Once the group buy is over the pricing will remain the same but free shipping will be removed from the listing.

  • Model: Porterfield-MK3-AP432
  • Manufactured by: Porterfield

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