GFB 5930 – Atmosphere Conversion Kit for Mach 2

GFB 5930 – Atmosphere Conversion Kit for Mach 2

The GFB 5930 Atmosphere Conversion Kit is a genuine GFB spare that allows Mach 2 blow-off valves to vent to atmosphere on a wide variety of performance vehicles.

This kit is ideal for applications where enthusiasts want the distinctive “whistle” of an atmospheric blow-off valve, or need to relocate the valve for custom installations.

🔧 Key Features & Benefits

• Atmosphere vent conversion – Converts Mach 2 BOVs to vent to atmosphere
• Compatible with GFB Mach 2 – Suits T9000 series valves
• High-quality CNC machined components – Durable, precise, and reliable
• Viton O-ring seal – Oil-resistant, ensures leak-free operation
• Versatile installation – Works across multiple turbo applications
• Made in Australia – CNC machined under QMS ISO9001

🚗 Vehicle Compatibility

This kit supports a wide range of turbocharged vehicles, including:

Subaru

• GT MY98–00
• XT MY03–04 (Series I)
• STi MY99–00, MY94–96
• B4 (BE, BH, BT) EJ20TT MY98–03
• Impreza 2.0 Turbo GT EJ205 MY98–00
• GT MY01–02
• XT MY09–13
• GT BL-BP EJ255 MY06–09
• GT BL-BP EJ20T MY03–06
• WRX MY08–14, MY97–98

Mazda

• 6 MPS GG MZR L3-VDT 2005+
• 3 MPS BK MZR L3-VDT 2006–09
• 3 MPS BL MZR L3-VDT 2009–13
• CX7 All 2.3 MZR L3-VDT 2006+
• 626 GT GC FET 1986–87
• 626 GD F2 Turbo 1987–91
• MX6 GD F2 Turbo 1987–91

Nissan

• Skyline R31 GTS-Turbo RB20DET 1985–90
• Skyline R32 GTS-T RB20DET 1989–93
• Skyline R33 GTS-T RB25DET 1993–98
• Skyline R34 GT-T RB25DET 1998–06
• 200SX S14–S15 2.0 SR20DET 1993–03
• 300ZX Z32 VG30DETT 1989–97
• GTi-R N14 SR20DET 1990–95
• 180SX S13 CA18DET 1989–92
• Silvia S13 2.0 SR20DET 1988–94
• GT-R R35 VR38DETT 2007+

Mitsubishi

• Galant VR4 E38A–E39A 4G63 1990–93
• Starion JA–JD 4G63 1982–88
• Cordia AA–AC 4G62 1983–89

Toyota

• Celica GT-Four ST185 3S-GTE 1989–93
• Celica GT-Four ST205 3S-GTE 1994–99

Ford Australia

• TX5 AT F2 Turbo 1987–89

Holden

• Commodore VL RB30ET 1986–88

⚙️ Installation Notes

• Converts Mach 2 valves for atmosphere venting
• Ideal for custom or relocated installations
• Enhances the distinctive BOV whistle for performance vehicles
• Works across multiple turbocharged engines, including Subaru FA20, Nissan SR20DET, RB25DET, 2JZ-GTE, 4G63, and 3S-GTE