GFB SV52 Atmosphere Racing Blow Off Valve
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GFB SV52 Atmosphere Racing Blow Off Valve - Universal
GFB has built a name on engineering blow off valves that punch above their weight, and the SV52 Atmosphere Racing BOV continues that trend. Designed for high powered, forced induction engines, it combines a compact footprint with class leading flow and boost handling, making it a genuine upgrade over bulkier, lower flowing valves.
This listing covers the GFB SV52 as a universal fitment blow off valve, suited to aftermarket turbo and supercharger setups where a weld-on style BOV is required. As this is a universal part, final plumbing and adaptor selection will depend on your specific intake and turbo hardware.
Specifications
- Overall height: 86mm (3.4 in) including weld-on adaptor
- Monobloc CNC machined aluminium billet body
- Single piece anodised aluminium piston, 52.5mm diameter
- Viton O-ring seals
- Maximum boost pressure rating: 300 psi (2068 kPa)
- Manifold vacuum range: 17-74.5 kPa (5-22 inHg)
- Includes 2 springs plus adjustable spring preload system
- Lifetime warranty
Vehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please ensure your intake plumbing and adaptor sizing are confirmed before ordering.
Not sure if this suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.
Vehicle Compatibility
Universal fitment — verify dimensions before ordering.
Technical Specifications
| Spec | Value |
|---|---|
| Overall Height | 86 mm (including weld-on adaptor) |
| Piston Diameter | 52.5 mm, single piece aluminium |
| Body Construction | Monobloc CNC machined from single aluminium billet |
| Piston Bore Finish | Anodised, hard low friction surface |
| Seal Type | Viton o-ring seals |
| Valve Design | Piston type (not diaphragm) |
| Maximum Boost Pressure Rating | 2068 kPa (300 psi) |
| Manifold Vacuum Range | 17–74.5 kPa (5–22 inHg, 2.5–11 psi vacuum) |
| Springs Included | 2 springs plus adjustable pre-load system |
| Warranty | Lifetime warranty |
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