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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%)

    • Revolutionary surface air gap firing technology featuring four yttrium-enhanced ground electrodes delivers the longest, most powerful spark for ultimate engine performance
    • Electrode gap is factory set to provide 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

    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%)

    • Electrode gap is factory set to provide 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
    • Provides ease of installation - never requires adjustment

    Bosch (4501) FGR8DQI 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%)

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

    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%)

    • 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
    • Never requires gapping, the electrode gap is factory-set and never requires adjustment
    • Provides ease of installation - never requires adjustment

    Bosch (4503) FGR7DQI Platinum IR Fusion Spark Plug, Pack of 1
    Automotive Parts and Accessories (Bosch)


    Bosch

    List Price: $52.15
    Price: $4.69
    You Save: $47.46 (91%)

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

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 ...

HOW TO- Tune up, Gap spark plugs and understand proper heat range ( ...

Some guide lines to follow, when Changing your spark plugs.Justieren des Elektrodenabstandes und das richtige verstehen des Wärmewertes&quot ...