Radium - Engineering VQ Fuel Rails (REVFR5879)
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The fuel rails are machined from 6061 aluminum and anodized black for compatibility with all popular fuel types including E85. Manufactured with a large internal bore, the fuel rail can support all necessary engine power requirements. Each rail has four 8AN ORB ports (2 end ports and 2 bottom ports). The fuel rail features 14mm injector bores and is compatible with the OEM injectors and any aftermarket injectors with OEM VQ fitment.
The Radium Engineering fuel rails have been confirmed to be compatible with the VQ35DE, VQ35HR, and VQ37VHR engine. Fuel Rail Plumbing Kit (optional below) will need to be purchased for a semi-bolt on application. Additional parts may be necessary, these are intended for custom fuel systems.
The fuel rails mount to the lower plenum with stainless steel brackets and hardware (shown above).
The unique mounts permit fitment with all VQ engines. Additionally, the OEM injector clips can be reused for the VQ35HR and VQ35DE, as shown above.
When used with the base fuel rail kit (PN: 20-0458) this permits a bolt-on, plug and play affair for the VQ35DE engines. An SAE adapter connects to the OEM hard line underneath the vehicle. PTFE hoses route fuel to the rear fuel rail ports. 8AN ORB plugs and 6AN adapter fittings are included for all fuel rail ports. Additionally, adapter (PN: 20-0460) is included to allow the OEM fuel pulse damper to be reused.
Install Note: Because of the OEM intake manifold mounting bosses, two Radium 14-0150 8AN ORB plugs must be used in 1 of each of the center ports for VQ35DE engines ONLY. This is optional below and ONLY applies to DE applications.
When used with the base fuel rail kit (PN: 20-0458) this permits a bolt-on, plug and play affair for the VQ35HR and VQ37VHR engines. An SAE adapter connects to the OEM hard line underneath the vehicle. PTFE hoses route fuel to the front fuel rail ports. 8AN ORB plugs and 6AN adapter fittings are included for all fuel rail ports. Additionally, two of the 20-0459 adapters are included to allow the OEM fuel pulse dampers to be reused.
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