When upgrading from 2 to 4 cylinders you can use this adapter. The problem is that the hex head screws that come down to clean the throttle bodies aren't designed to actually hold the bracket down. They go into mounting holes that don't work. I took a 1" drill bit and attached the adapter to my drill press. I then set the depth to 1/4" from the table. I drilled all 4 screw holes where the adapter attaches to my air intake. I then used regular bolts with a 7/8" wide washer to fit the holes so I can use a much smaller washer on top. I'm giving 3 stars because it's not really universal either way. here, so You can see what I did. Hope this helps.
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