Home » Blow Off Valve Aluminum Piston For Ford ST Astra VXR 2.0J

Blow Off Valve Aluminum Piston For Ford ST Astra VXR 2.0J

SKU: 1005010382272646-no logo
Color
€39,43
-38% €63,09 €39,43

Upgrade your forced induction setup with this billet aluminum piston blow-off valve. Designed as a direct replacement for factory diaphragm units, this atmospheric valve delivers quicker throttle response and efficiently vents excess manifold pressure during upshifts. The precision-machined aluminum housing withstands sustained heat cycles, while the angled vacuum port simplifies hose routing in confined engine compartments. Unlike standard OEM replacements, the internal mounting allows you to swap in adjustable springs, giving you fine-tuned control over boost thresholds after stage modifications or turbo upgrades.

Benefits & Practical Tips

  • Piston-style operation significantly reduces failure rates under elevated boost compared to rubber diaphragms, extending service intervals for modified builds.
  • Pair the valve with high-temp silicone intake tubing and secure vacuum taps upstream of the throttle body for consistent, drag-free actuation.
  • During assembly, hand-tighten all connection points to prevent cross-threading, then cycle the boost system briefly to verify pressure release timing.

Product Specifications

  • Construction: CNC-milled aluminum alloy
  • Valve Type: Mechanical piston atmospheric blow-off valve
  • Fitting: Angled top vacuum connection
  • Compatibility: Astra VXR 2.0J, Ford ST, Chevy Cobalt SS, HHR SS, Solstice GXP, Saturn Sky Redline, Fusion 2.0 EcoBoost, Regal Turbo 2.0
  • Configuration: Spring-swappable design for custom boost tuning
  • Mounting: Direct OEM replacement profile

Package includes:

  • One billet aluminum piston blow-off valve
  • Standard mounting hardware set

Installation Reminders

Professional fitting is recommended to maintain accurate engine management calibration and prevent unmetered air introduction. Inspect mating gaskets before assembly and use torque wrenches rated for aluminum components to avoid stripping bolt holes. Periodically check vacuum line integrity and O-ring seating to preserve boost consistency across RPM ranges.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

Your turbo upgrade arrives backed by decades of specialist experience — intercyprus.com has shipped verified performance parts to European workshops since 2002.