Porterfield Brake Shoes for 1967 CHEVROLET NOVA w/Front Drums Compound:R4-S Xtreme 2002 - 2004 Chevrolet

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

Boost Pressure: 88

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

Original Car Mold Design: Precisely fits original car curvature—doesn't affect door opening and closing

Porterfield Brake Shoes for 1967 CHEVROLET NOVA w/Front Drums Compound:R4-S Xtreme 2002 - 2004 ChevroletPorterfield 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