This KGParts Primary Fuel Rail can be used on any Mazda 13b Fuel Injected Engine such as
- RX-7 13B-T
- Cosmo 13B-RE
- 13b MSP (with 14mm non OEM Injectors)
Rail is designed to accommodate 60mm tall, 14mm top o-ring style injectors, it will not work with 11mm Japanese style, unless you use the sap in injector spacers sold separately.
Rail is tapped at both ends to accept 3/8 NPT fittings. Optional Injector Spacers for sealing the top feed injectors in engine.
This is for the primary fuel rail only.
You may need need Tap In Primary Injector Spacers (LIMS) depending on your specific Injectors. These are available separately. Please Note that the FD/COSMO LIMS are not the same as those used in the FC engines, If your installing this rail on an FC please make sure you purchase the FC Specific Primary Injector Spacers.