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With Iridium Alloy Center Electrode
Employing a high melting point iridium alloy tip for the
center electrode tip, a fine dia. of 0.4mm has been realized.
This fine electrode has led to a lower spark voltage and a
large increase in ignitability, which draws out even more
output and accelerator response from the engine. (Melting Point: Iridium 2454°C, Platinum 1769°C). |
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Cars & trucks plugs
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Long-reach plug
(Example) K20HR-U11, K16HPR-U11
･ D14  L26.5 16･ TOYOTA |
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ISO-compatible small hex plug
(Example) K16R-U11, K16PR-U11
･ Compatible with ISO standards * SKJ20DR-M11S with stainless steel gasket ･ φ14 L1916･ TOYOTA, and others |
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Small hex plug
(Example) Q16R-U11, Q16PR-U11
･ By reducing the hex size (16 mm), this plug is lighter in weight. ･ D14 L1916･ TOYOTA, and others |
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Extended shroud plug
(Example) KJ20DR-M11, KJ20DR-M11S
･ D14 L1916･ HONDA |
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Extended plug
(Example) KJ20CR11, KJ16CR-U11
･ KJ20CR11: no U-Groove KJ20CR-U: with U-Groove ･ D14 L1916･ MAZDA, MITSUBISHI |
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Extended plug
(Example) KJ20CR-L11
･ The tip of the ground electrode has a taper-cut, and the center electrode is made finer for improved ignitability. ･ D14 L1916･ HONDA |
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Double-electrode semi-surface plug
(Example) W20ETR-S11
･ With this new supplementary gap, resistance to fouling is improved. ･ D14 L1920.6･ TOYOTA, DAIHATSU |
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Triple-electrode plug
(Example) K22PB, W20EPB
･ Durability is improved with three ground electrodes. ･ D14 L1916 (K22PB)･ AUDI / VW / CITROEN / FIAT / MERCEDES-BENZ / RENAULT |
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12 mm long-reach plug
(Example) XU22HR9
･ D12 L26.516･ DAIHATSU |
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12 mm dia. plug
(Example) XU22EPR-U
･ By reducing the hex size (16 mm), this plug may be used in light vehicles. Thread diameter is 12 mm. ･ D12 L1916･ SUZUKI / MITSUBISHI |
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12 mm diameter long-reach plug with 14 mm hex size
(Example) XE20HR-U9
･ D12 L26.514･ RENAULT |
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Taper seat plug
(Example) T16EPR-U
･ This plug may be installed only in non-Japanese cars and has no gasket. ･ D14 L17.516･ GM, Ford |
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