
Enthusiasts looking to improve their Challenger's performance
autozone: AutoZone 2022 Dodge Challenger discovery result; trim-specific coverage not confirmed
NGK
MPN: 7751 · SKU: 88512
View on NGK websiteEnthusiasts looking to improve their Challenger's performance
autozone: AutoZone 2022 Dodge Challenger discovery result; trim-specific coverage not confirmed
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability
NGK Laser Iridium Spark Plug 7751 changes 1 primary stock component (highlighted red). Included or supporting pieces are listed below.
Loading 3D scene
0%
Specifications
20 attributes| Resistor Type | Yes1 |
| Center Electrode Tip Material | Iridium1 |
| Pre- Gap Size | 1.1mm1 |
| Insulator Material | Ceramic1 |
| Center Electrode Core Material | Copper1 |
| Grade Type | Performance1 |
| Skirt | Yes1 |
| Resistance | 5000.0Ohms1 |
| Ground Electrode Tip Design | Standard1 |
| Ground Configuration | J-Gap1 |
| Skirt Length | 1.5mm1 |
| Ground Electrode Core Material | Nickel1 |
| Electrical Terminal Type | Non-Removable Nut1 |
| Washer Included | Yes1 |
| Ground Electrode Tip Material | Platinum1 |
| Seat Type | Flat1 |
| Reach | 26.5mm1 |
| Manufacturer Heat Range | 71 |
| Washer Type | Crush1 |
| Hex Size | 5/8" (16mm)1 |
Sources: 1Autozone
Compare prices across 1 retailer — every link opens the real product page
CarModPlanner earns a commission on qualifying purchases through these links at no extra cost to you. Learn more
Spark Plugs & Ignition buyer's guide
How to pick spark plugs & ignition for your Challenger — what matters, what doesn't, and what to avoid.
Other spark plugs & ignition for your Challenger
Compare Side-by-Side
DeatschWerks
High-Flow Fuel Injectors (Set of 8)

Mishimoto
160°F Racing Thermostat

NGK
Iridium IX Spark Plugs (HEMI 16-Pack)

NGK
1-Step Colder Iridium Spark Plugs

Dragon Fire Performance
Iridium Spark Plugs

NGK
Laser Platinum Spark Plugs