The new R-OK radiator from New-Line Racing. The R-OK is designed specifically for OK and OKJ classes when the CIK-FIA approved them. The radiator includes the cover and a support that is fully redesigned and adjustable. 

At the beginning of the OKJ / OK classes era the total weight of the kart plus driver was significantly reduced compared to the earlier KF classes. Therefore New-Line Racing wanted to contribute to the weight reduction by manufacturing the R-OK Radiator. A radiator that is capable of meeting the needs of the new CIK-FIA approved engines while still keeping the weight to a minimum. To do it, compared to the regular "R" model, they developed a "support" that makes it possible to adjust and angle the radiator in every position in all situations. 

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