Radium Engineering FCST-X 3-Bolt Direct Mount Fill Neck and Cap - Vented mazda mx5 This engine block has been

This engine block has been proven in World Time Attack competition and has vastly improved block rigidity and improved deck thickness over the stock unit

Also included are 36 black nylon sealing washers (fill plate=24

The 20-0088 O-Ring Service Kit is for the large (6" OD) surge tank canisters

consider purchasing the 20-0300 Alternate Location Mount separately

Radium Engineering FCST-X 3-Bolt Direct Mount Fill Neck and Cap - Vented mazda mx5 This engine block has beenRadium Engineering FCST X 3 Bolt Direct Mount Fill Neck and Cap Vented The Radium Engineering FCST X 3 Bolt Direct Mount Fill Neck and Cap is a precision engineered fueling solution designed for direct mounting to FCST X fuel surge tanks and fuel cells. This vented fill neck features a secure 3 bolt mounting flange and includes a vented cap for proper tank ventilation, making it ideal for motorsport applications where quick, reliable fueling is