Description

COMPATIBILITY

91-95 VW Corrado
91-00 VW Passat
91-03 VW Golf GTI
92-02 VW Jetta

While this kit is compatible with both early model aluminum and late model plastic lower intake manifolds, it is not compatible with early model aluminum upper intake manifolds.

OVERVIEW

This fuel rail ships with two different fuel rail mounts depending on the lower intake manifold. The early model engine uses an aluminum lower intake manifold and requires the long fuel rail mounts included in the kit.

The late model engine uses a polymer lower intake manifold. It requires the short fuel rail mounts included in the kit. With late model lower intake manifolds, a Radium Engineering fuel pulse damper can be used in the center port. This fuel rail is compatible with the OEM late model upper intake manifold when using OEM equivalent fuel injectors.

The OEM injector retaining clips can be reused.

FUEL INJECTOR COMPATIBILITY

Like the OEM fuel rails, the injector bores are 14mm ID so factory injectors, or any OEM equivalent aftermarket injector can be used. Aftermarket injectors must match the OEM height and o-ring dimensions. Radium does not make any fuel injector recommendations other than "OEM equivalent".

PORTS AND FITTINGS

The fuel rail ports are tapped for 8AN ORB fittings.

8AN ORB Adapter Fittings can be found HERE
8AN ORB Direct Mount Regulators can be found HERE
8AN ORB Fuel Pulse Dampers can be found HERE
Fuel Pressure Gauge Adapters can be found HERE

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.