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This is our F2 3.875 restictor bell. Click here for video of the dyno testing on this restrictor bell.
This bell has over 100 Hours of development time and it shows on the track. Track testing has verified the dyno results and shown a increase in MPH with the restrictor bell versus a NON restricted!
we make this as a slip on and it can be fit into your bumper.
Part #: 302