Coolit H2/H3 C5 Corvette High-Speed Fan Controller Kit Do you need a H2 or H3? See Red Link Below In Description To Find Out.:H3 Introducing the AlignIt LS Timing

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countering the factory default where the computer normally doesn't allow the fans to come on at speeds over 35 mph

(See Video) Fits 1997-2004

Coolit H2/H3 C5 Corvette High-Speed Fan Controller Kit Do you need a H2 or H3? See Red Link Below In Description To Find Out.:H3 Introducing the AlignIt LS TimingBecause of the high demand on the Coolits, there is a 1 3 business day shipping lead time. Transform Your C5 Corvette's Cooling Performance Take control over your C5 Corvette's temperature engine with the Coolit H2 H3 High Speed Fan Controller Kit. Say goodbye to the dreaded "c5 corvette running hot or overheating at low speeds. The H2 H3 allows you to command your radiator's right side high speed fan to come on with the flick of a switch, ensuring