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Bosch Platinum+4 Spark Plugs 4428

Bosch Automotive 4428 - Bosch Platinum+4 Spark Plugs

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

Estimated Ship Date: Monday 12/22/2014 Would you rather pick it up? Select Location

Brand: Bosch Automotive

Manufacturer's Part Number: 4428

Part Type: Spark Plugs

Product Line: Bosch Platinum+4 Spark Plugs

Summit Racing Part Number: BCH-4428

UPC: 00028851019637

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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