Porterfield Brake Shoes for 1991 FORD F350 1 Ton 4WD SRW Location:Rear the valve train can handle

the valve train can handle more RPM and more aggressive cam profiles

Questions about color matching or design patterns

Also Included:

Retainers 986-8 Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength

Color Manufacturer Part Number UPC Code Polish 837-423P 648044884998 Black 837-423WB 648044885018 Blue 837-423BL 648044884981 Red 837-423R 648044885001

Porterfield Brake Shoes for 1991 FORD F350 1 Ton 4WD SRW Location:Rear the valve train can handlePorterfield Brake Shoes for 1991 FORD F350 1 Ton 4WD SRW 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