HKS Super SQV 4+ Return Kit | Mitsubishi Lancer Evolution X CZ4A (08-16) (71008-AM015V)HKS Super SQV 4+ Return Kit 20082016 Mitsubishi Lancer Evolution X CZ4A 2. 0L Turbo Part #: 71008 AM015V Overview The HKS Super SQV 4+ Return Kit is a high performance, sequential blow off valve (BOV) system designed specifically for Mitsubishi Lancer Evolution X models from 2008 to 2016. Engineered to deliver consistent, reliable boost release, this BOV enhances your vehicle's turbocharging performance while providing a distinctive sound that