Porterfield Brake Pads for 1977 GMC JIMMY (Full Size) 4wd DR89 and track-ready power gains

and track-ready power gains

Aggressive appearance with customizable ride height

Style PD style front bumper lip

Crafted from aerospace-grade Stainless Steel

inspired by the legendary M4 CSL that captivated the racing world

Porterfield Brake Pads for 1977 GMC JIMMY (Full Size) 4wd DR89 and track-ready power gainsPorterfield Brake Pads for 1977 GMC JIMMY (Full Size) 4wd 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