HKS O-Ring for BOV Blow Off Valve Seal Rubber Gasket

This genuine HKS rubber O-ring serves as the replacement seal for blow off valve (BOV) assemblies, maintaining a tight gasket between mating surfaces to prevent boost leaks and preserve turbocharger system vacuum. Engineered for use with HKS BOVs, the soft rubber gasket restores proper valve sealing and reliable blow-off function after wear or damage, making it a straightforward, cost-effective part for turbocharged Nissan, Toyota, Subaru, and other performance applications that use HKS valves.