Radium Rotary Engine Injector Seat (Single) - Mazda RX-7 FD/Cosmo JC (13B/20B) EJ preventing water pooling and reducing

preventing water pooling and reducing the risk of engine misfires

the injector bores are 14mm ID so factory injectors

Copper Alloy Valve Seats Installed (Newen Valve Seat CNC Machined)

-10 Bung x 1

Select this option if installing the Radium fuel pump hanger into a Subaru FA20F engine vehicle

Radium Rotary Engine Injector Seat (Single) - Mazda RX-7 FD/Cosmo JC (13B/20B) EJ preventing water pooling and reducingRadium Rotary Engine Injector Seat (Single) Mazda RX 7 FD3S Cosmo JC (13B 20B) Suits: Mazda RX 7 FD3S 13B REW Mazda Eunos Cosmo JC 13B RE Mazda Eunos Cosmo JC 20B REW The Radium Engineering Rotary Engine Injector Seat is the same machined aluminium seat used in Radium fuel rails for Mazda and Eunos Cosmo and RX 7 rotary engines. It converts the OEM 16mm injector seat counterbore to the more common 14mm lower O ring specification used by popular