Vmax Motorsports Velocity Ring

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Vmax Motorsports developed an velocity ring to help the low speed off idle stumble when using a 90mm throttle body on a FAST 102mm intake manifold. It is a tapered press fit so it may not work on some ported units if the inlet has been touched. In some cases there have been 2-3 HP and TQ across the power band but this was designed as a drive-ability aid more then an HP adder.