KGParts 20b Primary Fuel Rail

£145.00 (inc VAT)

One of the most popular fuel rail options for the 20b engine.

1 in stock (can be backordered)

Purchase this product now and earn 145 ER Points!

SKU: KGP>20bPRIMARY Categories: , Tags: , , , ,


Primary Fuel Rail for use Mazda’s 20b COSMO engines.
Replaces primary fuel rail only, secondary rail sold separately.
Designed to accept 14mm “American” Size Injectors, will not work with Japanese 11mm Injectors.
Machined aluminum extrusion with machined mount brackets
Bolt-on application
All parts and hardware included.**

Rail is tapped at both ends to accept 3/8 NPT fittings.

Optional Injector spacers LIMS-P for sealing the  injectors in engine block sold separately.

You may need need Tap In Lower 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.

**Banjo bolt adapter lets you attach the stock primary fuel rail.**
**Does not include the aluminum spacers. We sell those separately.**

This rail is for the three rotor 20b engine found in the Eunos COSMO, if your COSMO is equipped with the 13b-RE then this rail will not fit.



There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.