Unlock peak engine performance for your classic Che vy! This 16-piece Viton valve stem seal kit delivers factory-precision sealing for Small Block Che vy (SBC) engines. Crafted with high-temperature-resistant fluoropolymer, these seals prevent oil leakage into combustion chambers, ensuring cleaner burns and reduced emissions. Ideal for SBC 283/305/327/350/400 engines, they maintain optimal lubrication while enduring extreme heat and friction. Revitalize your engine's efficiency with professional-grade protection—smoother idling, enhanced horsepower, and extended engine life start here!