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Bosch (4504) HGR9DQI Platinum IR Fusion Spark Plug, Pack of 1
Automotive Parts and Accessories (Bosch)

List Price: $14.33
Price: $4.69
You Save: $9.64 (67%)
- 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
- Factory pre-set gap allows for easy installation that never requires adjustment
Denso (5326) IT20 Iridium Spark Plug, Pack of 1
Automotive Parts and Accessories (Denso)

Price: $8.03
Bosch (4502) HGR9BQI Platinum IR Fusion Spark Plug, Pack of 1
Automotive Parts and Accessories (Bosch)

List Price: $14.33
Price: $4.99
You Save: $9.34 (65%)
- 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
- 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
- Four yttrium enhanced ground electrodes resist spark plug wear and oxidation for exceptional performance life
Pulstar ad1i Iridium Pulse Spark Plug, Pack of 1
Automotive Parts and Accessories (Pulstar)

List Price: $13.95
Price: $11.09
You Save: $2.86 (21%)
- Pulstar recommends setting gap to OEM specifications for your vehicle
- Better throttle response, quicker ignition and improved cold starts
- A lifetime limited warranty
NGK (7397) TR5IX Iridium IX Spark Plug, Pack of 1
Automotive Parts and Accessories (NGK)

List Price: $9.87
Price: $6.99
You Save: $2.88 (29%)
- Fine Iridium tip ensures high durability
- You can depend on NGK for quality and reliability
- Constructed from durable material