HKS 71008-AT021 Blow-Off Valve SUPER SQV4 for TOYOTA Supra GR (B58)

Engineered specifically for the TOYOTA Supra GR with the B58 engine, the HKS Super SQV4 blow-off valve delivers peak performance and sound. Its unique pull-type sequential dual valve system ensures accurate pressure relief and responsiveness at all boost levels—no leaks, no lag. Finished in silver-coated die-cast aluminum with the signature triple-fin “Super Sound” design. A premium upgrade for Supra enthusiasts aiming for refined control and sound.