Home GFB 4AN Vacuum Fitting (Formach2/Hybrid/Response/Deceptor Pro II) 6215

GFB 4AN Vacuum Fitting (Formach2/Hybrid/Response/Deceptor Pro II) 6215

NOW $34.32
Or 4 interest-free payments of $8.58
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide
GFB BOV to AN-4 MALE FLARE VACUUM ADAPTOR.

Converts the standard brass hose barb on popular GFB BOVs to AN-4.

If you run big boost and need to connect a braided vacuum hose to your GFB BLOW OFF VALVE, this is the product you need! Constructed from stainless steel and supplied with a Viton o-ring to seal to your GFB BLOW OFF VALVE.

Suits all GFB Mach 2, Hybrid, Respons, and Deceptor Pro II blow off valves where the existing brass hose barb features a female hex in the hole (early versions of these products had a round hole and a different thread that is not compatible with this product).

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.

Product Enquiry

Got a question about this product? Need to check fitment for your vehicle? Fill in the form below and we'll get back to you within 24 hours.


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