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* Product(s) may not be exactly as shown in the image
- ACDelco Nickel Spark Plug offers better engine idle stability and smoother performance
- Allows for smaller, more efficient electrode designed for improved cold starting and quicker acceleration
- Fine-wire electrode helps improve ignition of the fuel and burns away carbon deposits on the tip of the plug as they form, to help improve fuel economy
- Includes 1 spark plug per package
| This Part Fits | |
|---|---|
| Chevrolet Silverado 1500 HD Classic | 2007 |
| Chevrolet Silverado 3500 Classic | 2007 |
| GMC Sierra 1500 | 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 |
| GMC Sierra 1500 HD Classic | 2007 |
| GMC Sierra 3500 Classic | 2007 |