Porterfield Brake Pads for 2001 MERCURY MOUNTAINEER Air Suspension CRB 252H CL21-212-4 - Cam

CRB 252H CL21-212-4 - Cam and Lifter Kit

Vandura 1967 - 1972 GMC G25/G2500 Van Base 1968 - 1974 GMC G25/G2500 Van Vandura

OEM-spec cooling performance - Maintains factory thermal efficiency and engine protection

Sierra 1988 - 1998 GMC K3500 Sierra SLE 1994 - 1998 GMC K3500 Sierra SLT

Porterfield Brake Pads for 2001 MERCURY MOUNTAINEER Air Suspension CRB 252H CL21-212-4 - CamPorterfield Brake Pads for 2001 MERCURY MOUNTAINEER 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