Autolite AR13-4PK High Performance Racing Non-Resistor Spark Plug, 4 Pack

Features:
Replacement racing spark plug used by many professional car drivers
Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions
Contains an Yttrium-enhanced alloy to enable up to 8% reduction in side wire temperature for improved durability and less pre-ignition
Features cut back ground electrode for improved ignitability of flame kernel
_1.6 ounces
_3.38 x 4 x 1 inches

Categories:Automotive,Replacement Parts,Ignition Parts,Spark Plugs & Wires,Spark Plugs