Porterfield Brake Pads for 2011 SCION tC Compound:R4-1 Kit includes billet aluminum bump

Kit includes billet aluminum bump stop spacers that are 3 1/2 Inch in diameter and 3 Inch tall

Engine Make/Size: Chevy Small Block LS1

HPS 3-1/8" 13 Gauge 6061 T6 Aluminum Joiner with Bead Roll on both ends is commonly used in industrial

12 lug nuts

Tool Steel Axle - The axle is made of wear resistant Tool Steel to prolong the life of the roller assembly

Porterfield Brake Pads for 2011 SCION tC Compound:R4-1 Kit includes billet aluminum bumpPorterfield Brake Pads for 2011 SCION tC 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 brake pad to