Porterfield Brake Pads for 2012 JAGUAR XK Compound:R-4 - Delivers dyno proven performance

- Delivers dyno proven performance gains - increase horsepower +5 whp

including instructions

HPS 4" (102mm) Ultra High Temp 4-ply Aramid Reinforced Silicone Charge Air Cooler CAC Hose Coupler Hot Side Bellow meet and exceed SAEJ20 industry standards

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Porterfield Brake Pads for 2012 JAGUAR XK Compound:R-4 - Delivers dyno proven performancePorterfield Brake Pads for 2012 JAGUAR XK Porterfield R4 Porterfield R4 Carbon Kevlar based brake pads were fully designed for heavy duty extreme motorsports use. Its one of the the few true motorsports competition pads available on the market today. The carbon based semi metallic R4 brake material allows the brake pad to absorb huge amounts of heat and dissipate it quickly and evenly over time. The Carbon Kevlar material also allows the brake pad to