TRD Radiator cap - 18.5psi rating (stock cap is around 13psi).

If you run at tracks that don't allow the use of coolant or you want to run a higher percentage of distilled water, this cap allows you to do this and maintain the boiling point of your coolant close to where it would be with a 50/50 water/coolant mix.

  • Model: MS143-18001

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