These Valve Stem Seals are an upgrade from the standard OEM material to help cope with the higher heat caused by the strains of racing. This, in turn increases the performance of your engine.
The material these are made of is called Viton, which is known for its excellent resistance to excessive heat, aggressive fuels and chemicals.
GSC Motorsports Viton Valve Seals from HorsepowerFreaks
gsc motorsports viton valve seals from horsepowerfreaks valve seals. Install and installation help available for parts and accessories for these model years.