Porterfield Brake Shoes for 1967 CHEVROLET NOVA w/Front Drums Compound:R4-S These Thumpr series cam and

These Thumpr series cam and lifter kits deliver a substantial power increase over an identical hydraulic flat tappet grind without sacrificing reliability or ease of maintenance

Hard panel construction designed for direct installation at factory mounting points

Front bumper cover with integrated fog light cutouts

Boost Pressure: 88

Xtreme 2002 - 2004 Chevrolet S10 ZR5 2001 - 2004 GMC Sonoma SL

Porterfield Brake Shoes for 1967 CHEVROLET NOVA w/Front Drums Compound:R4-S These Thumpr series cam andPorterfield Brake Shoes for 1967 CHEVROLET NOVA w Front Drums 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