Porterfield Brake Pads for 1978 JAGUAR XJR-S Automotive Wheels Left-right-hand thread adjustment turn-buckle allows

Left-right-hand thread adjustment turn-buckle allows for easy on-car adjustment

Yes — these mount directly at existing factory rocker and bumper points

5L Inline-6 - Z4 2

Header design matches factory locations

✓ Enhanced comfort—softer surface for cup placement

Porterfield Brake Pads for 1978 JAGUAR XJR-S Automotive Wheels Left-right-hand thread adjustment turn-buckle allowsPorterfield Brake Pads for 1978 JAGUAR XJR S 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