On 05/21/2012 05:39 PM, jskmberki@windstream.net wrote:

Does anyone know the sizes and configuration used to drill a fuel rail for RX8 injectors?

I think 7/16" will accommodate the first O ring.

Does there need to be a larger diameter to seat the second O ring which is different in shape?  It is located close to where the electrical connector branches out.

Thanks for any help.

Joe Berki


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I've got a factory pair of rails. I can measure the diameter of the injector cups for you tomorrow. If you can use them, I'd be happy to let them go for whatever I paid (was pretty cheap on ebay). This set is for 4 injectors: the 2 in the center housing + 2 on the intake manifold, complete with hoses.

Charlie