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The Grams Performance top-short 11mm fuel injector adapter converts a 14mm injector top to an 11mm top for use with specific fuel rails. Machined from aluminum, this top hat measures approximately 25mm in height and features male 11mm and female 14mm O-ring interfaces for sealed fitment. It’s intended as a straightforward mechanical adapter to enable proper sealing and reliable installation when mixing injector and rail sizes.
Grams Performance Top Short 11mm Adapter
