Smaller restrictors (like 5.0, 5.5, 6.0 mm) help increase fuel mileage, which translates into longer run times between pit stops. Reducing the number of pit stops over the course of a main event could mean the difference between winning and finishing off the podium! They are also an effective way to reduce power output and improve drivability on low-grip or blown-out track surfaces.
Each restrictor is sold individually and features laser etching of the restrictor's size for easy identification.
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