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Maruha Radiator Cap
Maruha Radiator Cap
Maruha Radiator Cap
Maruha Radiator Cap

Maruha Radiator Cap

Regular price £29.99 Sale

High quality retro-JDM style radiator caps by Japanese manufacturer Maruha.

Available in 3 Pressure ratings:

0.9 Bar for daily use

1.1 Bar for track use and prolonged spirited driving

1.3 Bar for heavy track use and prolonged hard driving

These caps feature a silicone sealing ring which provides a longer lasting seal compared to the OEM cap made with natural rubber.

A higher pressure radiator cap will increase the pressure in the coolant system before allowing coolant to expand into the expansion tank. By keeping the coolant at a higher pressure - the boiling point is raised, therefore increasing cooling efficiency.

Fits:

Mk1, Mk2 & 2.5 models of MX5 / Miata

MK3 MX5 / Miata

Warning: The old rubber hoses on the engine may be crusty and perished and may be more prone to failure from a higher pressure cooling system.