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Technical Bulletin: Continental Extreme Contact Force & Hankook Ventus RS4 - Now +1.6 - 1-19-23

Greg G.

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Technical Bulletin 1-19-23  -  Applies to ST1-ST6 and TT1-TT6

Re: Continental Extreme Contact Force & Hankook Ventus RS4

The Continental Extreme Contact Force and the Hankook Ventus RS4 tire models will both move from the +1.0 Mod Factor group to the +1.6 Mod Factor group as below.


6.5.2 (ST1-4 Rules) / 6.3.2 (ST5-6 Rules)

Tire Type:

BFGoodrich g-Force Rival, Continental Extreme Contact Sport/Force,  = +1.6
Cooper RS3-R, Falken Azenis RT615K+, Hankook Ventus RS4,
Maxxis Victra RC-1, Maxxis Victra VR-1, Michelin Pilot Sport 4S,
Nankang AR-1/ NS-2R 180, Nitto NT01,
Toyo Proxes R1R/ R888/ R888R/ RA-1/ RR, Valino VR08GP

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