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Click Here to download installation instructions (PDF).

These are the same machined aluminum injector seats used in Radium fuel rail kits for Subarus. They are required when converting an OEM side feed fuel rail to top feed. They simply "pop" into the 21.5mm injectors bores on the tumble generator valve housings. They seal to the machined injector counterbore using the included Viton O-ring. Sold in sets of 4 or 6.

The anodized injector seats are CNC machined with a common 14mm bore for the lower injector O-ring.


-CNC Machined Billet 6061 Aluminum
-Bright Dip R5 Type-II Anodizing
-Laser Etched Logo
-Viton O-rings 


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