Product Description
13B RX-7 FD Coolant Filler Neck/AST Delete
Mazda RX7 FD3S AST delete filler neck expansion tank.
- Custom made filler neck to remove the AST tank.
- Professionally fabricated and welded.
- Superior quality and durability over others.
- Utilises a billet rad cap weld on for extra durability.
- Fits with OE thermostat.
- Boss for OE water level sender.
