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Part Number: W0133-1622857
Japan Built - Set This OES set is made in Japan. 90080-91110 is made in the USA. Main differ- ence is the Japan made ones come w/ round spark plug boots/seals and the USA made ones come w/ square spark plug boots/seals. Our aftermarket brand ones, all come w/ the square spark plug boots/seals, but underneath the square cover is a round sealing surface so functionally they are fine. USA Built This OE set - is made in the USA. This OES set has square spark plug seals.. USA Built This OE set - is made in the USA. This OES set has square spark plug seals. Japan Built - Set This OES set is made in Japan. 90080-91110 is made in the USA. Main differ- ence is the Japan made ones come w/ round spark plug boots/seals and the USA made ones come w/ square spark plug boots/seals. Our aftermarket brand ones, all come w/ the square spark plug boots/seals, but underneath the square cover is a round sealing surface so functionally they are fine..
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