Rotary Fuel Rail Kit Series 6 7 & 8. Mazda Rx 7 Black

's billet efi fuel rails feature precision machining with heavy duty mounts for high pressure applications. Fuel rails are threaded with a -8an orb port and have a 16. 1mm / 41/64" size bore. Fuel rails are double anodised and are available in blue, black, red and polished finishes.