CSF Racing Dual Engine Oil Cooler KitThe FL5 Civic Type R quickly proved itself on track, but one weakness became obvious under sustained hard driving: engine oil temperatures. Even in stock form, oil temps regularly climb beyond safe limits, and modified examples only exaggerate the problem. During real world testing, CSF recorded oil temperatures exceeding 275F (135C), making it clear that a comprehensive solution was required. To address this, CSF developed its first complete engine