TS-0552-1002 turbosmart wastegate

Turbosmart GenV CompGate40 14psi External Wastegate (Black)


The Turbosmart GenV range is our most popular choice for our single or twin turbo builds.

Also Available in 7psi and 14psi Sleeper version.

The GenV WG40 CompGate40 External Wastegate in Black, (PN# TS-0552-1012)  is a Motorsport proven, cost effective external wastegate – The Highest Flowing Wastegate of its kind. The GenV provides extensive user configuration, world leading extended thermal performance, fatigue resistance and best in class flow performance for optimum control and longevity.

The GenV External Wastegate from Turbosmart was a ground up rework of a classic and the only feature that rolled over from the Gen4 range was the mounting orientation. CFD optimized and validated in-house for maximum flow and thermal management, the GenV range has more features, options and performance than any other gate like it.


  • Class Leading, Thermal Performance
  • Class Leading, CFD & Bench Validated Flow Performance
  • Class Leading Fatigue Resistance
  • Nitronic 60 Valve Guide & High Temp 347 SS Body
  • 17/7 PH Stainless Steel Springs
  • Liquid Actuator Cooling Option
  • Strap Type V-band clamps

Included in the Box: Included in the Box:

  • Wastegate unit (pre-assembled with spring as per order)
  • SS316 Valve seat
  • Inlet V-Band
  • Inlet SS304 weld flange
  • Outlet V-Band
  • Outlet SS304 weld flange
  • Collar tool (master/slave)
  • 17/7 PH 3, 5, 7, 14 psi spring kit (1x spring installed)
  • 4x 1/16” NPT plugs (1x installed) / 2x 1/16” NPT nipples
  • Sticker
  • Instruction card

Click HERE to view the GenV WG40 CompGate40 External Wastegate Instructions.

Technical Drawing _ Turbosmart 40mm Wastegate


Racing Use Only, Not Legal for Road Use