TiAL TIA-002958 – MV-SA 38mm Wastegate (Purple)<
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The TiAL TIA-002958 MV-SA is a next-generation 38mm external wastegate, engineered for demanding motorsport applications and advanced turbo builds where water cooling ports are not required.
Key Features- 38mm valve with patented V-band design for compact fit and optimal exhaust flow
- 347SS stainless steel housing with high-temperature hybrid alloy valve
- Purple anodized billet aluminum actuator with reinforced Nomex silicone diaphragm
- Precision 17-7 PH actuator spring rated up to 900°F (483°C)
- Three lower and two upper air signal ports (M10x1.0)
- Five heat-dissipating fins to protect the actuator without water cooling
- Pressure range 0.3–1.7 bar (full spring set included)
- Complete kit with V-band clamps, flanges, fittings, plugs, and springs
- Available colors: purple, black, blue, silver, red
| Parameter | Value |
|---|---|
| Valve size | 38 mm |
| Housing material | 347SS stainless steel |
| Actuator | Anodized aluminum (purple) |
| Pressure range | 0.3–1.7 bar (all springs included) |
| Mounting | V-band (inlet 1.75” / outlet 1.50”) |
| Air ports | 3 lower, 2 upper (M10x1.0) |
| Water cooling | No water cooling (MV-SA design) |
- Motorsport, drift, drag racing, road racing, and high-performance turbo builds requiring a compact and durable wastegate solution.
TiAL TIA-002958 MV-SA is a next-generation 38mm external wastegate, engineered for the most demanding motorsport applications and advanced turbo builds where there is no need or option to connect water cooling ports.
Key Features
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38mm valve, patented V-band design – allows for a compact fit and optimal exhaust flow even in tight engine bays.
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347SS stainless steel housing and a high-temp hybrid alloy valve – withstand extreme thermal loads and prolong service life.
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Purple anodized billet aluminum actuator, reinforced Nomex silicone diaphragm, and 17-7 PH precision actuator spring ensure stable performance up to 900°F (483°C).
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Three lower and two upper (M10x1.0) air signal ports – flexible plumbing and boost control options, with no need to rotate the cap.
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Five heat-dissipating fins insulate the actuator top from the wastegate body – maximize membrane life and boost reliability without water-cooling.
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Pressure range: 0.3–1.7 bar (all springs included) – wide tuning options out of the box.
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Complete kit: wastegate, V-band inlet/outlet clamps and flanges, pneumatic fittings, plugs for unused ports, full spring set.
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Available colors: purple, black, blue, silver, red.
Technical Specification
| Parameter | Value |
|---|---|
| Valve size | 38mm |
| Housing material | 347SS stainless steel |
| Actuator | anodized aluminum (purple) |
| Pressure range | 0.3–1.7 bar (all springs included) |
| Mounting | V-band (inlet 1.75” / outlet 1.50”) |
| Air ports | 3 lower, 2 upper (M10x1.0) |
| Water cooling | No water cooling (MV-SA design) |
Application
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Motorsport, drift, drag racing, road racing, and advanced turbo projects requiring a compact, highly durable wastegate with versatile mounting options.
Vehicle Compatibility
| Brand | Model | Generation / Chassis | Engine |
|---|---|---|---|
| Universal | - | - | - |
TiAL Sport MVS-A Wastegate (All Springs) w/Clamps - Purple
Tags: Turbo\Wastegate\TIAL,
This product has universal fitment.

TIALSPORT

