Home Aeroflow Outer Wastegate Spring Suits 38 & 44mm Wastegate Sizes From 8.2PSI Black

Aeroflow Outer Wastegate Spring Suits 38 & 44mm Wastegate Sizes From 8.2PSI Black

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🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide

Outer Wastegate Spring - Black




From 8.2 PSI (0.52 bar) Suit 38mm & 44mm Wastegate Sizes

The Aeroflow Performance wastegate has a variety of springs to suit different boost levels. Pre-installed with 1 Bar (14psi). Different spring combinations may be required to suit different boost requirements and tuning which are sold separately please refer to chart for more information on these springs. The tuner cAN use combinations of up to 3 springs to achieve the base boost pressures required. To aid in the identification of these springs they are colour coded. When selecting your spring rate, the total boost psi pressure is determined by adding the spring rates together. Wastegate spring selection will determine the minimum and maximum boost pressure that you want to run, and your control method. Care should be taken when selecting boost pressures until the engine cAN be run on a dyno to ensure safety. Always consult AN expert when making boost changes, and it is recommended that the car be checked on a dyno, as high boost and/or leAN air/fuel mixtures cAN cause engine damage or worse, total failure.

Shipping Information

Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.


The Kren Bits journey:

  • Order received — Day 0
  • With fulfilment — Day 1–2
  • Heading to courier — Day 2–4
  • Shipped — Day 3–7
  • Almost there — Day 5–10
  • Delivered — Day 5–14

Where your part ships from:

Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.


We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.


For more details, visit our Track Your Order page.

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