HKS Blow-off Valve

Universal Fitment

Part #: 71008-AT012

Overview

The HKS SSQV4 Blow-off Valve is a high-performance aftermarket component designed for turbocharged vehicles, particularly those seeking reliable boost control and enhanced response. This dual valve system features a unique sequential design that ensures stable operation across a wide range of boost pressures, making it suitable for both street and enthusiast applications. Crafted for drivers who demand durability, precision, and consistent performance, the SSQV4 helps optimize turbo response and maintain optimal pressure levels, supporting the longevity and efficiency of your turbo system.

Key Features

The HKS SSQV4 Blow-off Valve combines innovative engineering with robust materials to deliver a reliable boost release solution. Its key features include:

• Dual valve structure with sequential operation for smooth boost release
• Pull-Type relief design for stable operation under varying boost pressures
• Differential pressure control system for wide operating range
• High-quality aluminum construction for durability and heat resistance
• Compact, lightweight design for easy installation
• Adjustable spring for tuning response and sound characteristics

Construction & Design

The SSQV4 features a precision-machined aluminum body with a durable, anodized finish that resists corrosion and heat. Its dual valve configuration is engineered for quick, consistent boost venting, reducing compressor surge and maintaining turbo stability. The design emphasizes reliability and longevity, ensuring consistent performance over time.

Driving Feel & Feedback

This blow-off valve provides a crisp, audible release that enhances the driving experience without excessive noise. Its responsive operation supports improved throttle response and smoother power delivery, especially during gear shifts and deceleration.

Installation & Fitment

Installation involves replacing the factory or existing aftermarket BOV with the SSQV4 unit, typically requiring basic hand tools. Proper fitment should be verified against your vehicle's specifications to ensure compatibility.