Porterfield Brake Pads for 1994 CHEVROLET SUBURBAN 1500 4WD 13" Rear Drum / 8 lug Compound:R4-S Will this restrict airflow compared

Will this restrict airflow compared to the factory filter

Does the silver finish need any prep before routing

Compatibility: Model Y (2020-2026+) including Juniper

Standard Front No Counter Bore

Porterfield Brake Pads for 1994 CHEVROLET SUBURBAN 1500 4WD 13" Rear Drum / 8 lug Compound:R4-S Will this restrict airflow comparedPorterfield Brake Pads for 1994 CHEVROLET SUBURBAN 1500 4WD 13" Rear Drum 8 lug 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