







⚡ Ignite your ride with the spark that never quits!
The Autolite 3924 Copper Resistor Spark Plug is a high-performance ignition component designed specifically for motorcycles. Featuring a copper core for enhanced conductivity and an alloy steel tip for durability, it delivers reliable starts and efficient combustion. With a lightweight build and a strong 4.6-star rating from over 300 riders, this spark plug is a trusted upgrade for any motorcycle enthusiast seeking consistent engine performance.

| ASIN | B000ET0RV4 |
| Brand | Autolite Iridium Ultra |
| Brand Name | Autolite Iridium Ultra |
| Compatible with Vehicle Type | Motorcycle |
| Core Material | Copper |
| Country of Origin | Hong Kong |
| Customer Reviews | 4.6 out of 5 stars 334 Reviews |
| Global Trade Identification Number | 00009100039248 |
| Item Weight | 0.06 Pounds |
| Manufacturer Part Number | 3924 |
| Top Material Type | Alloy Steel |
| UPC | 009100039248 |
| Vehicle Service Type | Motorcycle |
T**N
Great value
C**T
Plug saved the day
J**.
SBC AFR heads
R**4
Spark plug
B**R
Good replacement
Trustpilot
3 weken geleden
2 maanden geleden