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Bosch Platinum+4 Spark Plugs 4458

Bosch Automotive 4458 - Bosch Platinum+4 Spark Plugs

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Spark Plug, Platinum +4, Tapered Seat, 14mm Thread, .708 in. Reach, Resistor, Each

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Manufacturer's Part Number: 4458
Part Type: Spark Plugs
Summit Racing Part Number: BCH-4458

UPC: 00028851019552
Shorty Spark Plug: No
Resistor: Yes
Manufacturer Heat Range: 8
Electrode Core Material: Copper
Electrode Tip Material: Platinum
Spark Plug Thread Size: 14mm
Spark Plug Reach: 0.708 in.
Spark Plug Seat Style: Tapered
Wrench Diameter: 5/8 in.
Ground Strap Quantity: Four
Quantity: Sold individually.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

If you require the best in performance and the longest performance life, Platinum+4 is the spark plug for you. Platinum+4's unique revolutionary firing technology combines the advantages of surface air-gap technology, four ground electrodes, and a heat-fused center electrode with more pure platinum, to create the most powerful spark you can buy. Bosch Platinum+4 spark plugs provide optimum access to the air/fuel mixture, for the most efficient combustion and a longer performance life.


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Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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