FR78X Bosch Super 4 Spark Plug x4
170217
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FR78X Bosch Super 4 Spark Plug x4
170217
FR78X Bosch Super 4 Spark Plug x4
The FR78X Bosch Super 4 Spark Plug x4 operates on the state-of-the-art air-cushion-spark principle and is the first spark plug to feature four thin ground electrodes with one-pointed, silver-plated center electrode.
This combination is unique in the world and has decisive benefits. The ignition spark always chooses the best path for reliable ignition according to the engine load. The Bosch Super 4 does more than a conventional spark plug. In all situations, throughout its service life.
Outstanding protection against carbon fouling due to surface air-gap technology. Special ceramic material with high dielectric and mechanical strength. Outstanding engine protection due to anti-seize nickel-plated housing and thread.
Features & Benefits:
- Noticeable improvement in acceleration
- Significantly improved engine smoothness
- Superior engine versatility
- Electrode gap adjusted ex-factory
- Please note packaging may vary
- Self-cleaning thanks to the surface air gap technology
- High wear resistance and robustness
- Eight possible spark gaps for greater ignition reliability
- Extended heat range: Capacity for up to three times more cold starts than with conventional spark plugs
- Enhanced environmental and catalytic converter protection
Instruction Manual:
- Image for illustrative purposes only
- Factory-pre-set electrode gap, no adjustment necessary; Bosch advises not to lubricate the thread. Requested tightening torque or angle see on the package
- Please use vehicle identification to confirm compatibility with your vehicle. All restrictions must be observed.