FD3S RX-7 AST Tank - Series 6-8
FD3S RX-7 AST Tank - Series 6-8, photo 2
FD3S RX-7 AST Tank - Series 6-8, photo 3
FD3S RX-7 AST Tank - Series 6-8, photo 4
FD3S RX-7 AST Tank - Series 6-8, photo 5
FD3S RX-7 AST Tank - Series 6-8, photo 6
FD3S RX-7 AST Tank - Series 6-8, photo 7
FD3S RX-7 AST Tank - Series 6-8
FD3S RX-7 AST Tank - Series 6-8, photo 2
FD3S RX-7 AST Tank - Series 6-8, photo 3
FD3S RX-7 AST Tank - Series 6-8, photo 4
FD3S RX-7 AST Tank - Series 6-8, photo 5
FD3S RX-7 AST Tank - Series 6-8, photo 6
FD3S RX-7 AST Tank - Series 6-8, photo 7

FD3S RX-7 AST Tank – Series 6–8

From $440.00 $0.00

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Replace the factory air separator tank (AST) on your Series 6–8 Mazda FD3S RX-7 with the Vinny Fab AST Tank, a direct-fit replacement that bolts straight on with no modifications.

Each tank is built on our own 12 mm thick CNC-machined billet flange for a perfect seal and long life, and now clears overdrive water pump pulleys.

Features

  • Direct factory replacement for the S6–S8 FD3S air separator tank
  • 12 mm CNC-machined billet flange, made in-house
  • Outlet options: 38 mm tube or -16AN fitting
  • Optional sensor ports: M12 x 1.25 for the water-level sensor and 1/8" NPT with blanking bung
  • Finishes: Raw / Brushed, Satin Black, Texture Black, Polished, Silver or White
  • Clears overdrive water pump pulleys

Fitment notes

  • Made to suit the factory high-pressure radiator cap (cap not included)
  • Not suitable for twin-turbo setups

Made to order in Christchurch, New Zealand. Contact sales@vinnyfab.com for current lead times.

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Most products are shipped within 1–3 days.

Some of our hand-made products are made to order and can take 1–4 weeks to make and ship out.

If you're in a hurry, please contact us first.

Free local pickup from our Christchurch workshop (168c Hazeldean Road), usually ready in 1–3 days. Please wait for your "ready for pickup" email before coming in, as some parts are made to order or ship from our suppliers.