This Tuning Top Set for HB, Infinity IFB8, and Team Losi Racing includes:
(4) A Top Tuner Plates (This is a tuning plate that is larger than the all holes open plate, but smaller than the B Top plate)
(4) B Top Tuner Plates (This is a tuning plate that is larger than the A Top plate, but smaller than the 12 hole open plate)
(4) C Top Tuner Plates (This is a tuning plate that is larger than the 12 hole open plate, but smaller than the 9 hole open plate)
(4) D Top Tuner Plates (This is a tuning plate that is larger than the C Top plate that changes the pack and flow compared to the 9 hole open plate)
