Bosch 522 Super 4 Spark PlugImprove your engine's performance with the Bosch 522 Super 4 Spark Plug. Featuring a unique design, this spark plug does more than a conventional spark plug throughout its service life.
Bosch 522 Super 4 Spark Plug Extra Info
- Superior engine versatility
- Electrode gap adjusted ex factory
- Noticeable improvement in acceleration
- Significantly improved engine smoothness
Additional InformationPlease check with your vehicle manufacturer or workshop manual to confirm the suitability of this part for your vehicle.
Hex Size: 16 Thread Length mm: 26.5 Thread Size mm: 14 x 1.25
Bosch 522 Super 4 Spark Plug x4
Cat code: 970590
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ReviewsBosch 522 Super 4 Spark Plug x4 2 2Amazing change... Stuck a set of these in TU5JP4-engined Citroen to replace the original NGKs two years ago. They make a huge difference. With the NGKs the engine was rough and gutless under 3000rpm. With these is burbles along quiet happily at low RPM. Only problem is I'm having trouble getting another set, tried local Halfords twice and they were out of stock. 01 July 2012wrong item unfortunately, this product did not fit my nissan almera tino, had to return product and obtain correct spark plug, this was most annoying as i hade to make two journeys, 30 mile round trip 08 October 20111-2 of 2
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