







⚡ Ignite your ride with pro-level spark power!
Autolite AR3932-4PK racing spark plugs deliver professional-grade ignition with a colder heat range and yttrium-enhanced alloy for 8% cooler side wire temps, boosting durability and reducing pre-ignition. Featuring a cut-back ground electrode for faster flame kernel growth and nickel plating for corrosion resistance, these vehicle-specific plugs are engineered to elevate performance in modified engines.





| Brand | Autolite Iridium Ultra |
| Core Material | Nickel |
| Thread Size | 14mm X 1.25 |
| Top Material Type | Nickel |
| Vehicle Service Type | Car |
| Global Trade Identification Number | 00009100017833 |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 009100017833 |
| Manufacturer | Autolite |
| Model | AR3932-4PK |
| Item Weight | 1.76 ounces |
| Product Dimensions | 3.5 x 1.1 x 0.9 inches |
| Item model number | AR3932-4PK |
| Exterior | Smooth |
| Manufacturer Part Number | AR3932-4PK |
| Position | Center |
M**
Great price!
Great price and are the actual authentic autolites.
T**Y
Price
Great product
J**S
Good Job.
all good, worked well, quick delivery.
J**I
Don’t know what happened.
Item was fine made a mistake on the part number… not sure what happened with return.
K**W
there was onley 3 spark plugs in the box not4 as i payed for
dont like to be cheadet not good
A**R
Best race plug in my race car.
I really always buy Autolite race plugs. Amazon is the best price out there.
S**O
Cherry
Nope
Trustpilot
2 months ago
2 weeks ago