(BRAND NEW) MUGEN Power 1.3kg HIGH PRESSURE RADIATOR CAP SMALL HEAD (Made in Japan) Universal Fit for most Honda and Acura (BRAND NEW) MUGEN Power 1.3kg HIGH PRESSURE RADIATOR CAP SMALL HEAD (Made in Japan) Material: Aluminum Size: TOP 45mm (diam) BOTTOM 13mm (diam) (SMALL HEAD) Universal fits for most vehicles. 100% brand new in box, never been used or installed.