What is the dimensions for the inside hole of the injector blocks? I'll be
making the top fuel rail out of aluminum extrusion and want to drill for
the top injector. I'll make my own drill bit with the 3 different step
downs, just wondering if you know the sizes from your 3D / CNC drawings.

Also on the bottom of the injector block, why isn't the hole drilled out
all the way? Is that just the way it's machined, or you drill it out
completely once you weld it?


- Matt Boiteau

I would wait until you have your injectors as there are variations.

Paul Lamar

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