⚡ Ignite your engine’s true potential with race-ready spark plugs!
The Autolite AR3923-4PK High Performance Racing Resistor Spark Plug pack of 4 is engineered for serious drivers seeking enhanced ignition and durability. Featuring a colder heat range for modified engines, a yttrium alloy that reduces side wire temperature by 8%, and anti-corrosive nickel plating, these plugs deliver reliable, high-performance starts under extreme conditions.
Manufacturer | Autolite |
Brand | Autolite Iridium Ultra |
Model | AR3923-4PK |
Product Dimensions | 2.54 x 2.54 x 8.59 cm; 45.36 g |
Item model number | AR3923-4PK |
Exterior | Chrome |
Manufacturer Part Number | AR3923-4PK |
Item Weight | 45.4 g |
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