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Garrett GVW-40 40mm Wastegate Kit - Blue

Out of stock
Regular price $460.45
Product INFO
  • Vendor Garrett
  • SKU T14.494015
  • Barcode 908827-0002
Out of stock
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Vent exhaust gas around the turbine and precisely regulate turbocharger shaft speed on any racing turbocharger with Garrett's 40mm external wastegate kit, the GVW-40. Garrett's team originally thought the GVW wastegates would be a quick project; after digging into what it actually takes to build the best wastegate, they spent a full year on the design.

The GVW-40 has been CFD tested for maximum flow, thermal efficiency and durability. The valve body is cast from high-temp stainless steel and rated for exhaust gas temperatures up to 1050°C, and the design was crafted so the wastegate stays dead consistent no matter the temperature, year after year. It delivers 5% more flow than any competitor. It ships set to 1 bar (14.5 psi) and can be configured from 0.2 bar (2.9 psi) to 1.7 bar (24.7 psi) base boost with the included springs. Garrett recommends the GVW-40 for twin-scroll dual-wastegate applications.

Technology and Features

  • CFD tested for maximum flow and thermal efficiency
  • Optimized actuation stability and temperature resistance for superb durability
  • Fully replaceable bushing components for longer service life
  • Easy Nomex diaphragm replacement
  • Anodized aluminum top cap with optional watercooled actuator port

Mechanical Specs

  • Valve diameter: 40mm
  • Valve mass: 1.27 kg / 45 oz
  • Maximum spring base pressure: 1.7 bar / 25 psi (1:1 backpressure ratio)
  • Minimum spring base pressure: 0.2 bar / 3 psi (1:1 backpressure ratio)
  • Air port fitting: M10x1.0 to hose barb (6mm / 0.25in hose ID)
  • Liquid port fitting: M8x1.0 to AN-3

Materials

  • Valve housing: high-temp stainless steel rated up to 1050°C
  • Diaphragm: high-temp Nomex reinforced elastomer
  • Actuator cover: fully-machined anodized 6061 aluminum
  • Valve guide / bushing: Nitronic 60
  • Valve: high-temp stainless steel with plated stem
  • V-band: CNC machined 304 stainless steel
  • Flanges: fully machined 304 stainless steel
  • Springs: 17/7 PH stainless steel

Thermal Specs

  • Maximum exhaust gas temperature, peak: up to 1050°C
  • Maximum thermal stress (non-cooled): 270°C actuator body temperature during thermal cycle testing
  • Maximum thermal stress (watercooled): 130°C body temperature during thermal cycle testing

What's in the Box

  • GVW-40 40mm external wastegate, blue
  • Springs
  • Fasteners
  • Fittings
  • V-bands and clamps
  • Flanges