Bosch - 4515 HGR8MQI Platinum IR Fusion Spark Plug, Pack of 1

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Product Review

If you're looking for the very latest in spark plug technology, look no further than Bosch Platinum Ir Fusion. Fusion features a patented, fused iridium and platinum center electrode, combined with exclusive surface air gap firing technology to produce a longer, more powerful spark. Its four yttrium-enhanced ground electrode design outperforms OE iridium plugs by significantly reducing gap wear. This means less stress on the ignition system for quicker starts, more efficient fuel combustion, and a longer performance life. In addition, Fusion's voltage requirement increases less over time versus other iridium plugs for longer reliable performance of the vehicle's ignition system.

Product Features

Fused iridium and platinum center electrode, sintered into an extended insulator nose results in reaching self-cleaning temperature only seconds after starting and provides exceptional wear resistance
Revolutionary surface air gap firing technology featuring Bosch's unique four ground electrode design delivers the most powerful spark for the most efficient combustion and optimum horsepower without increasing the voltage requirement
Four yttrium enhanced ground electrodes resist spark plug wear and oxidation for exceptional performance life
Factory pre-set gap allows for easy installation that never requires adjustment
Fusion's voltage requirement increases less over time versus other iridium plugs for longer reliable performance of the vehicle's ignition system

Customer Reviews

Average Customer Review

(2 customer reviews)

2 of 3 people found the following review helpful

nice, September 16, 2011

rjonet - See all my reviews

Amazon Verified Purchase(What's this?)

This review is from: Bosch (4515) HGR8MQI Platinum IR Fusion Spark Plug, Pack of 1 (Misc.)

fast delivery, buy some,very good plug at a fair price,I notice a bump in power and a extra mpg sure help out at the pump.

Best plug, May 14, 2012

Carson - See all my reviews

Amazon Verified Purchase(What's this?)

This review is from: Bosch (4515) HGR8MQI Platinum IR Fusion Spark Plug, Pack of 1 (Misc.)

This is the best plug. At a stop light, car runs so smooth you can't tell the motor is running ('98 Merc Grand Marquis).

Bosch (4515) HGR8MQI Platinum IR Fusion Spark Plug, Pack of 1

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