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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
Rated 3.8 out of 5 by 4 reviewers.Rated 5 out of 5 by Cain26 top quality spark plugs. engine starts up a little better. Peace of mine knowing my Peugeot has the recommended plugs in it and it now starts up a little smoother. Nice to know i have top quality plugs. 04 December 2014Rated 4 out of 5 by Daykes89 Fitted to 1.6 16v TU5FU engine (Petrol) Very good indeed has improved lower end pickup & fuel consumption. I now get around 46mpg! Before fitting these I was getting around 42mpg. However, they do seem to lose their 'spark' (wear out quicker). I replace mine every 10,000miles 15 March 2013Rated 5 out of 5 by MajorOverhaul Amazing 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 2012Rated 1 out of 5 by hobby544 wrong 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 20111-4 of 4
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