CSF Second Fuel Rail Kit for CSF BMW S58/B58 Air-To-Air Manifolds
CSF
CSF Second Fuel Rail Kit for CSF BMW S58/B58 Air-To-Air Manifolds
The CSF "No Limit" B58 & S58 Air-to-Air Billet Manifolds (CSF #8401 & #8402) come with one fuel rail for port injection (for 6 injector setups). For those looking to run dual port injection, CSF offers a second fuel rail kit. The CSF #8404 Fuel Rail Kit comes with all the necessary mounting hardware and features the same -8 ORB fitting as the primary rail. It can be set up as a return or returnless system.
- For secondary top feed port injection (additional 6 injectors for a total of 12 injectors) on the CSF #8401 and #8402
- CNC machined 6061 Billet Aluminum Made by CPC (Made in Australia)
- Includes -8 ORB plug for returnless setup
- Includes Mounting Hardware
Fitment
The CSF #8404 Cooling product is designed to be a "Custom Fit" application. The product installion may require modifications. If you do not feel confident installing this product CSF recommends taking it to a qualified installation facility.
Installation instructions (PDF)
Special-order item: allow extra time for delivery.
Not CARB approved. Not legal for sale or use on pollution-controlled vehicles in CARB states.
Fitment
Listed for these platforms and engines. Tap one to see every part for it.
Not sure? Send us your VIN before ordering and we’ll confirm it fits.
- Authorized dealerGenuine parts with full manufacturer warranty.
- ShippingShips same day or within 24 hours.
- Returns30-day returns on new, uninstalled parts in original packaging.
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