KZ CLASS: NEW RSZ AND RTZ
The new RSZ and RTZ engines are strictly resulting from the reigning world champion engine RKZ and retain the concerning best qualities.
The underlying premise of the new project was a functional development to increase performance and improve torque delivery. To achieve this outcome the work of the technicians was focused mainly on the crankcases, redesigned and fully machined. This manufacturing option moreover allowed to improve the overall engine performance repeatability.
Together with it a new head with insert was included, provided as standard, featuring a modified combustion chamber profile.
The RSZ engine setup differs with respect to both the RTZ and RKZ. In particular, the RTZ shares with the RKZ the connecting rod, while the RSZ is equipped with a shorter conrod, with center-to-center distance equal to 110 mm.
The RSZ features a torque curve able to ease the driver to race on short to mean length tracks.
Both engines are supplied with a specific exhaust silencer, muffler.
ATTENTION: Write on note field if you prefer to receive RTZ or RSZ version