Probably the best performing velocity stacks on the market.  These stacks when tested against longer race stacks and genuine factory stacks out performed everyone in just about all rpm areas, especially the areas that count, drive out of corners and a little bit more at the top end.  As Del Boys says 'what can't speak can't lie' and the dyno can't speak.

Printed from the best quality plastics mix these are strong and of course petrol proof.

AND DYNO DEVELOPED!

They fit all model 765RS & Moto 2 765s.  We know there is a slight change in airbox's across the range but we have allowed for this so only one set fits all.

PLEASE NOTE THERE ARE UP TO 4 DIFFERENT AIRBOX'S AND NO DEFINITIVE VIN TO TELL WHICH AIR BOX YOU HAVE.  THIS MUST BE CONFIRMED BY VISUALLY INSPECTING THE AIRBOX INNER.  AT THE REAR OF THE AIRBOX WHEN SAT ON THE BIKE THERE IS A SCREW THAT CAN PROTRUDE INTO THE AIRBOX ON EITHER THE LEFT OR RIGHT HAND SIDE.  AGAIN THIS IS WHEN SAT ON THE BIKE FOR LEFT AND RIGH SCREW.  PLEASE CHECK THIS BEFORE ORDERING.  ESPECIALLY MOTO 2 BIKES.

PLEASE SEE PICTURE EXPLANATION.