Black Edition limited editionThe benchmark in dump valve technologyGenuine HKS, made in JapanGives the unique pschit blow off sound!Universal SQV kitHKS...
The simple and essential mod for quicker boost response. UNIVERSAL product with 33mm inlet and 33mm outlet (also fits Mitsubishi, Subaru Applications)....
Universal sequential membrane Blow-Off Valve (BOV) HKS SSQV 4. It uses a double membrane that ensures high speed and accuracy. Original, made in Japan.