Cannot Establish a Secure Connection

The Internet Browser you are using cannot establish a secure connection to or JavaScript is disabled which will prevent you from being able to Log In or Checkout. If JavaScript is enabled the problem is likely due to SSL 3.0 being your default SSL setting. This makes you vulnerable to the "POODLE exploit" and to ensure your security, it is not allowed on our site. Please change your browser security settings to not allow SSL 3.0 and check to make sure that JavaScript is enabled. You can also update your browser using these links.

In-Store Pickup Location Close

Bosch Platinum+4 Spark Plugs 4428

Bosch Automotive 4428 - Bosch Platinum+4 Spark Plugs

Loading media

In progress

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

Estimated Ship Date: Tomorrow 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.


Most Helpful Reviews Review this Product

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

Back To Results
Email this page Close