COMPATIBILITY

  • 02-05 VW Golf GTI
  • 01-04 VW Jetta GLX
  • 01-04 VW Jetta GLI

FUEL INJECTORS

There are two type of fuel rails made by Radium: upgrade rails and top feed conversion rails. Upgrade rails only upgrade the rail and the OEM fuel injectors can be reused. If an upgrade to the injectors is desired, they must be equivalent to the OEM injector, meaning they must be the same height and the upper & lower O-rings must match the OEM diameters and styles. Top feed conversion rails are used to convert a vehicle that has side feed (or sometimes air-assist) injectors over to a top feed injector.


This fuel rail is an upgrade rail. OEM or OEM equivalent injectors must be used.


Radium does not make fuel injector recommendations.

  • Consult your tuner for injector brand or flow rate recommendations.
  • Consult the injector manufacturer for a part number that has the correct dimensions.

OVERVIEW

20-0878 VW 2.8L 24V VR6 Fuel Rail

The Radium Engineering fuel rail is manufactured with dual 3/8" (6AN) internal bores that internally connect to all 6 injectors. Combined, these dual bores are 12% larger than a single 1/2" (8AN) bore. This system can support all necessary engine power requirements and is compatible with all alternative fuels.

Because the fuel rail is  machined to be low profile, it is compatible with the OEM intake manifold.

Appropriate fittings must be selected based on the specific application. Ample space around the fuel rail port(s) is necessary for larger accessories such as fuel pressure regulators, fuel pressure gauges, and fuel pulse dampers. To verify clearance, the dimensional drawings on the product pages can be used as a reference guide.

20-0878-PK Fuel Rail Plumbing Kit, VW 2.8L 24V VR6

Using an assortment of PushLok hose ends with EFI hose, the fuel rail plumbing kit can be customized to any vehicle using the 20-0878 fuel rail. It replaces all OEM components downstream of the OEM SAE quick connect hard lines in the engine bay. 

Through a high flowing Radium Engineering multiport regulator (MPR-RA), fuel pressure is 1:1 vacuum referenced into a dead head fuel rail. With the provided gauge, fuel pressure can be easily calibrated and kept in check. The EFI hoses are compatible will all fuel types including E85. Plugs are included for all unused ports.

SPECS & FEATURES

20-0878 VW 2.8L 24V VR6 Fuel Rail

  • Lightweight aluminum construction
  • Single 8AN ORB ports at both ends
  • 12% larger internal flow diameter than 8AN
  • Anodized finish for wear and corrosion resistance
  • No special tools required for installation

20-0878-PK Fuel Rail Plumbing Kit, VW 2.8L 24V VR6

  • Multiport Fuel Pressure Regulator
  • Fuel Pressure Gauge, 0-100psi
  • 1/2" and 3/8" Rubber EFI Hose
  • 8AN and 6AN PushLok Hose Ends
  • 8AN and 6AN Aluminum Fittings
  • SAE Quick Connector Hose Ends
  • Stainless Steel EFI Hose Clamps
  • Stainless M6x1mm Hardware
  • 5/32" Vacuum Hose

INCLUDED

20-0878 VW 2.8L 24V VR6 Fuel Rail

  • Anodized billet aluminum fuel rail
  • Stainless steel mounting hardware

20-0878-PK Fuel Rail Plumbing Kit, VW 2.8L 24V VR6

  • Multiport Fuel Pressure Regulator
  • 6AN ORB plug (x2)
  • 8AN ORB plug
  • 8AN ORB to 8AN male fitting (x2)
  • 6AN ORB to 6AN male fitting (x2)
  • 6AN pushlok hose end (x2)
  • 8AN pushlok hose end (x2)
  • 5/16" SAE to 3/8" barb fittings (x2)
  • EFI hose clamps (x2)
  • Inline 8AN to 1/8" NPT tee fitting
  • 0-100psi fuel pressure gauge
  • 3/8" EFI hose
  • 1/2" EFI hose
  • 5/32" Vacuum Hose
  • Stainless mounting hardware

ADDITIONAL IMAGES

Installed image Installed image
Plumbing diagram Plumbing diagram
Rail detail Rail detail
Rail detail Rail detail
Rail detail Rail detail
Installed image Installed image
Installed image Installed image

Fuel Rail, VW 2.8L 24V VR6

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Install Instructions PDFs

Installation Instructions (PDF)