What is the main benefit of the SUPER SQV's sequential valve structure?

The SUPER SQV uses a unique sequential valve structure with a primary and secondary valve. This allows for a simultaneous release of excess boost pressure at a much lower differential pressure, which helps prevent compressor surge and improves turbocharger response.

What materials is the HKS SUPER SQV 4 made from?

The HKS SUPER SQV 4 is constructed from aluminum and other durable materials to ensure it can withstand the rigors of a performance engine setup. It often features a polished aluminum finish.

Can this blow-off valve be shipped to California?

No, this HKS SUPER SQV 4 is not CARB approved and cannot be shipped to California due to emissions regulations.

HKS SUPER SQV 4 Blow Off Valve 71008-AM011

Name: HKS SUPER SQV 4 EVO 7-9 CT9A 4G63
Brand: HKS
Price: 490.69 USD
Availability: InStock

HKS SUPER SQV 4 EVO 7-9 CT9A 4G63

$490.69

Only 3 left in stock

HKS SUPER SQV 4 EVO 7-9 CT9A 4G63

Key Features

Fits Mitsubishi Lancer Evolution VII, VIII, and IX (CT9A chassis).
Features a unique sequential valve structure for rapid response.
Uses a differential pressure control system to manage boost release.
Aluminum construction for durability and a clean look.
Designed as a direct replacement for the factory blow-off valve.
Not CARB approved; cannot be shipped to California.

This HKS SUPER SQV 4 is specifically designed for the Mitsubishi Lancer Evolution VII, VIII, and IX models equipped with the 4G63 engine. Please verify fitment for your specific vehicle.

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Product Details

The HKS SUPER SQV (Super Sequential Blow-Off Valve) uses a unique sequential valve structure and a differential pressure control system. This design allows for a well-built blow-off valve that can handle higher boost pressures than stock, while still providing a quick response. The primary valve opens in response to boost pressure, and a secondary valve then opens at a much lower pressure, creating a simultaneous release of excess boost pressure. This dual-stage action helps prevent compressor surge and can improve turbocharger longevity.

Crafted from aluminum and other durable materials, the SUPER SQV 4 is built to withstand the demands of a performance-tuned engine. Its striking visual appeal, often featuring a polished aluminum finish, complements the engine bay. The kit includes all the necessary components for installation, designed to be a direct replacement for the factory blow-off valve or bypass valve system on specific Mitsubishi Lancer Evolution models. This updated version offers improved performance and reliability for enthusiasts looking to fine-tune their forced induction system.