WARNING: Proposition 65 Compliance Statement It is the responsibility of Boost Projects to warn its customers and employees that some products sold on this website contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Go to https://www.p65warnings.ca.gov for more information.
GSC Power Division Viton Valve Stem Seals set. These are an upgrade from the standard OEM material to help cope with the higher heat caused increasing the performance of your engine.