Bosch Tri-Electrode Copper Plug, Heat Range 5, Resistored

In stock

This is the high quality Bosch plug we use in our ultra-high output engine builds to 600whp and counting.. Same heat range as the F5DPOR, we've found that this plug provides a hotter, more powerful spark than many other plugs we've tested, including much more expensive "Iridium" plugs.  Also outperforms Bosch Platinum plugs.

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