Porterfield Brake Pads for 2015 CADILLAC ELR Compound:R4-S Original PLM patent-pending baffle valve

Original PLM patent-pending baffle valve cover design

Compression and rebound settings are easily adjusted via a single knob at the top of the damper mount

CBR (Chrome / Black / Red): Bright chrome inner housing with red LED illumination

550" OD Triple Valve Spring 746-100 - Steel Retainers

Porterfield Brake Pads for 2015 CADILLAC ELR Compound:R4-S Original PLM patent-pending baffle valvePorterfield Brake Pads for 2015 CADILLAC ELR 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