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    Bosch (4418) FGR8DQP Platinum +4 Spark Plug, Pack of 1
    Automotive Parts and Accessories (Bosch)


    Bosch

    List Price: $10.68
    Price: $3.87
    You Save: $6.81 (64%)

    • Provides ease of installation - never requires adjustment
    • Electrode gap is factory set to provide ease of installation - never requires adjustment
    • Revolutionary surface air gap firing technology featuring four yttrium-enhanced ground electrodes delivers the longest, most powerful spark for ultimate engine performance
    Bosch (4458) HGR8DQP Platinum +4 Spark Plug, Pack of 1
    Automotive Parts and Accessories (Bosch)


    Bosch

    List Price: $10.68
    Price: $3.87
    You Save: $6.81 (64%)

    • Four yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life
    • Provides ease of installation - never requires adjustment
    • Electrode gap is factory set to provide ease of installation - never requires adjustment
    Bosch (4417) FGR7DQP Platinum +4 Spark Plug, Pack of 1
    Automotive Parts and Accessories (Bosch)


    Bosch

    List Price: $10.68
    Price: $3.87
    You Save: $6.81 (64%)

    • Provides ease of installation - never requires adjustment
    • Four yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life
    • Revolutionary surface air gap firing technology featuring four yttrium-enhanced ground electrodes delivers the longest, most powerful spark for ultimate engine performance
    Bosch (4501) FGR8DQI Platinum IR Fusion Spark Plug, Pack of 1
    Automotive Parts and Accessories (Bosch)


    Bosch

    List Price: $14.33
    Price: $4.83
    You Save: $9.50 (66%)

    • Four yttrium enhanced ground electrodes resist spark plug wear and oxidation for exceptional performance life
    • 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
    Bosch (4514) HGR8MQI0 4 Platinum IR Fusion Spark Plug, Pack of 1
    Automotive Parts and Accessories (Bosch)


    Bosch

    List Price: $14.33
    Price: $4.84
    You Save: $9.49 (66%)

    • Four yttrium enhanced ground electrodes resist spark plug wear and oxidation for exceptional performance life
    • Fusion's voltage requirement increases less over time versus other iridium plugs for longer reliable performance of the vehicle's ignition system
    • 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

1997 Geo Metro - Spark Plug Change

Went to the store and when I turned on the car and started to leave the parking spot the engine started misfiring and stalling about 4 times and ...

e38 engine sound. after Bosch Plat 4 Plugs install

New Bremi Spark plugs boots and Bosch Platinum 4 spark plugs engine sound. For those who had hard knocking replace the Bremi boots. Mine were all ...

bosch platinum+4 spark plug - Bookshelf


Popular Mechanics
150 pages 		Popular Mechanics

2002-03
The Bosch Platinum was the first spark plug with a center electrode that is 99.9 ... BOSCH , PLATINUM +4 A BOSCH PLATINUM i The Ultimate Spark Plug BOSCH ...