Bosch (4514) HGR8MQI0 4 Platinum IR Fusion Spark Plug, Pack of 1
Patented fused iridium and platinum center electrode, sintered into an extended insulator nose, provides exceptional wear resistance and reaches
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 set to provide ease of installation - never requires adjustment
Contains one spark plug
Product Review
Product Description
Boschácombines the best features of their +4 plug with the advantages of iridium.áThe Bosch PlatinumIR Fusionáplug fuses iridium with platinum, combining the superior properties of both materials into a singleáfine wire center electrode.á Additionally this plugáusesásurface air gap technology and 4 yttrium enhanced ground electrodes for both performance and extra long life.áThe fine wireáiridium/platinum center electrode (which isáheat fused into the extended ceramic insulator) reducesáthe voltageánecessary to jump the gap as well as reduces quenching.ááTheá4 ground electrode design not only provides multiple radial spark paths,ábut also the surface air gap designácreates optimal exposure of the air/fuel mixture to the enhanced ignition spark. The combination of an iridium/platinum center electrode and the yttrium -enhancement of the ground electrodes even further extends plug life.áThis plug is designed toágive exceptional performance, reach self cleaning temperature faster for quicker starts, smoother acceleration and increased fuel efficiency.á
Product Details
Bosch (4514) HGR8MQI0 4 Platinum IR Fusion Spark Plug, Pack of 1
Comment: After driving for 30 years and using all sorts of plugs(AC,Champion,Motorcraft,ect..),I will always use Bosch.
Customer Rating:
Summary: excellent 2010-02-18
Comment: I think these plugs are excellent. I bought them because of a rebate incentive. My mileage average increased 2mpg average no joke. I would recommend these to anyone needing plugs. I will definatly buy again.
Customer Rating:
Summary: Great!! 2009-10-08
Comment: What a difference with these plugs! The improvement really shows. My car was running rough in idle, it is now running smooth, it has improved gas mileage and it has more power. I was hesitant of buying them but I am very glad I did. Highly recommend them.
Customer Rating:
Summary: Awesome Plugs 2009-05-28
Comment: My car was running so bad and I was just about to take it to the repair shop.
At the last minute I thought I would try these plugs because of the rebate.
Now my car runs very smooth and has a little more power and never took it to the shop. SUPER PLUGS!!!
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Bosch - 4514 HGR8MQI0 4 Platinum IR Fusion Spark Plug, Pack of 1