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Moroso Racing radiator cap rated 19–21 psi offers a secure seal that holds the cooling system at a higher specified pressure to support consistent coolant flow under heavy use. Suited to racing and high-demand applications, this cap helps reduce the chance of coolant escape during intense operation and serves as a direct replacement for systems that require a 19–21 psi pressure setting.
Moroso Racing Radiator Cap - 19-21lbs
