| ACDELCO 9 Specifications |
|---|
| Approximate Resistor Value | 3-10k ohms | | Center Electrode Tip Material | Platinum | | Gap Size (IN) | 0.038 | | Ground Configuration | Single | | Ground Electrode Core Material | Nickel | | Ground Electrode Quantity | 1 | | Ground Electrode Tip Design | Single Prong Electrode | | Hex Size | 16 | | Insulator Height (in) | 2.134 | | Insulator Height (mm) | 54.2 | | Manufacturer Heat Range | 12 | | Reach (IN) | 0.748 | | Resistor Type | Yes | | Seat Type | Gasket | | Thread Diameter (IN) | 0.551 |
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| Professional; Rapidfire; Pre-Set Gap: 0.038" |
ACDelco Platinum Rapidfire® Spark Plugs are designed for everyday use and are a high quality replacement ideal for many vehicles on the road today. These spark plugs have high-quality suppressors that help prevent misfiring, an optimized plug to boot seal, and a pure copper core for great durability.
Features & Benefits:
- Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
- Pure copper core provides great heat transfer and helps maximize plug durability
- Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
- Ribless insulator helps optimize plug to boot seal
- Fits engines that run conventional plugs, as well as newer vehicles that require platinum plugs
 Which ACDELCO Spark Plug Is Right For You?
| Material / Series |
Lifespan / Durability |
Performance / Ignitability |
Efficiency / Fuel Economy |
Copper / Nickel
 |
★ |
★ |
|
Platinum Rapidfire
 |
★★ |
★★ |
★★ |
Double Platinum
 |
★★★★ |
★★ |
★★ |
Iridium
 |
★★★ |
★★★★ |
★★★ |
ACDelco Quality ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into two tiers: GM Original Equipment and ACDelco Gold.
| GM ORIGINAL EQUIPMENT |
| GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors. |
| ACDELCO GOLD (PROFESSIONAL) |
| ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors. |
|
| OEM / Interchange Numbers: 19250968, 3922, AP3924, XS3922 |
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