Home Aeroflow AF64-5050 50mm Blow Off Valve Polished Finish V-Band Weld-On Flange

Aeroflow AF64-5050 50mm Blow Off Valve Polished Finish V-Band Weld-On Flange

NOW £231.00
Or 4 interest-free payments of £57.75
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide

50mm High Flow Blow Off Valve




Complete Kit with Weld-on Flange and V-Band in Polished Finish.

This is the highest flowing universal blow off valve. For use on turbo-charged and supercharged applications. The body and all internal components are CNC-machined from 6061 aircraft grade aluminium. 1.98 in (50.5mm) valve. 7mm vacuum / boost hose barb size. Flange is v band, and comes with a 2" weld on pipe. Supplied with AN 11psi spring, optional 6 or 2psi springs available separately.

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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