Porterfield Brake Pads for 1984 MERCURY COUGAR Heavy Duty Compound:R-4 427 2011 Chevrolet Corvette Z06

427 2011 Chevrolet Corvette Z06 Carbon 2006 - 2013 Chevrolet Corvette Z06

2mm thick arms to provide superior strength

Upper mount Spherical bearing Spherical bearing Inverted/Normal type Inverted Inverted Damper/Spring layout Coilover Coilover Spring rate change at factory Possible Possible Damping force adjustment with wire - - Helper spring

The billet input shaft is designed to withstand greater torsional loads than the factory shaft

2003 Toyota Matrix XR Wagon 1

Porterfield Brake Pads for 1984 MERCURY COUGAR Heavy Duty Compound:R-4 427 2011 Chevrolet Corvette Z06Porterfield Brake Pads for 1984 MERCURY COUGAR Heavy Duty 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