Porterfield Brake Pads for 2011 FREIGHTLINER SPRINTER 3500 Compound:R4-S 6% on the stock version

6% on the stock version

Sport 1994 Chevrolet Blazer Base

GM LS 358 VVT/AFM 27 4PIIHR17 689-424-13 - CamShaft

Comp Cams Oval Track Camshafts are specifically designed for oval track racing

Porterfield Brake Pads for 1989 MAZDA RX 7 w/Vented Rear Disc

Porterfield Brake Pads for 2011 FREIGHTLINER SPRINTER 3500 Compound:R4-S 6% on the stock versionPorterfield Brake Pads for 2011 FREIGHTLINER SPRINTER 3500 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