Porterfield Brake Pads for 2003 CHEVROLET SILVERADO 1500 4WD Ext Cab 2 Whl Steering Compound:R4-S Cam Family: XTREME EnergyT Mechanical

Cam Family: XTREME EnergyT Mechanical Flat Tappet Camshafts

Computer Controlled 252AH-12 (Hydraulic) Cam Only

single groove Steel Street Lock with 7° lock angle and 11/32" valve stem size is a perfect replacement lock for stock engine rebuilds

Headlights comes equipped with H1 high/low beam bulbs

Porterfield Brake Pads for 2003 CHEVROLET SILVERADO 1500 4WD Ext Cab 2 Whl Steering Compound:R4-S Cam Family: XTREME EnergyT MechanicalPorterfield Brake Pads for 2003 CHEVROLET SILVERADO 1500 4WD Ext Cab 2 Whl Steering 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