Polished 6AN Billet Aluminum Fuel Rails 5.2/5.9 Dodge Magnum fits the Hughes Airgap, M1-2-bbl, and M1 4-bbl intake manfiold, but you must specify which intake style you have. These custom rails utilize 6AN (9/16-18) o-ring fittings instead of NPT fittings which are prone to leaking. The mounting brackets are stainless steel which are stronger than aluminum.  Comes with a 6AN (9/16-18) o-ring port on the bottom of the driver's side fuel rail for the HiPoTek plug-and-play fitting kit. Satin finish. The OEM Barrel, Hughes Airgap, M1 2-bbl, and M1 4-bbl intake manifold each utilize different mounting tabs so please be sure to designate that option upon ordering.

Optional Plug & Play 6AN fuel rail fitting kit: Fuel Rail Fittings & Hose Plug-N-Play Kit Blue/Red or Black for HiPoTek 6AN Fuel Rails 3.9/5.2/5.9 Dodge Magnum - HiPoTek (hi-potek.com)

Optional Viton O-Rings for fuel injectors, (16 qty): AIR/FUEL - Fuel Injector O-Rings - HiPoTek (hi-potek.com) 

Approximate 2-week lead time.