Spark Plugs

A spark plug's job is simple but critical: ignite fuel with precision and consistency, especially under high-combustion racing conditions. The Racing Plug AR92 is built for engines that demand reliability and repeatability lap after lap. Its non-resistor...

The Racing Plug AR73 is engineered for high-RPM combustion demands where standard plugs fall short. Non-resistor construction delivers uncompromised spark energy to the cylinder, critical for race engines where every ignition event counts. Built to...

The Racing Plug AR72 delivers consistent spark delivery at high RPM, where standard plugs falter. Non-resistor design eliminates suppression losses, maximizing ignition efficiency in carbureted and points-based high-performance engines. If you're running...

Precise ignition timing is critical in high-performance racing applications, and the Racing Plug AR53 delivers the spark efficiency needed for consistent combustion across aggressive engine tuning. The non-resistor design eliminates signal interference,...

The Racing Plug AR52 delivers uncompromised ignition performance for engines built to win. Its non-resistor design eliminates signal interference, allowing your ignition system to fire at full potential without voltage loss. Built for dedicated racers...

When you're running a high-RPM engine, standard spark plugs can't keep up with the demands of racing conditions. The Racing Plugs AR3935 deliver consistent ignition performance under extreme heat and pressure, ensuring reliable combustion across the full...

Racing ignition systems demand spark plugs engineered for precision and reliability—the Racing Plug AR3934 delivers consistent spark timing without resistor-induced signal loss that compromises performance. Built with a non-resistor design and gasket...

When you're pushing your engine to its limits on the track, your ignition system can't afford to compromise. The Racing Plug AR3933 delivers reliable spark consistency under extreme combustion pressures and high RPM demands, giving you the ignition...

Precise ignition timing separates winning engines from the rest, and the Racing Plug AR3932 delivers the spark intensity your high-performance build demands. Built without resistor technology, this plug fires hotter and cleaner for improved combustion...

When you're pushing your engine to the limit on the track, spark plug reliability becomes non-negotiable. The Racing Spark Plug AR3931 delivers consistent ignition performance under high RPM and extreme combustion conditions, eliminating misfire risk...

Racing demands ignition systems that respond instantly and fire consistently under extreme conditions. The Racing Plug AR3911 delivers the direct spark delivery you need for maximum combustion efficiency, especially in high-RPM and forced-induction...

The Racing Plug AR3910 delivers the ignition reliability and efficiency you need when every combustion cycle counts. Non-resistor design maximizes spark energy for consistent firing under sustained high-RPM loads, while the gasket seat provides a...

The Racing Plug AR33 is engineered for high-RPM applications where spark energy and combustion efficiency directly impact power delivery and throttle response. Whether you're fine-tuning a custom build or replacing worn plugs in a race engine, this...

The Racing Plug AR32 delivers consistent, high-energy ignition when milliseconds matter most. Built for sustained high-RPM operation and extreme combustion conditions, this non-resistor spark plug maximizes spark intensity to ensure reliable firing...

When you're pushing your engine to its limit on the track, a standard spark plug won't cut it. The Racing Plug AR2593 delivers consistent, reliable ignition under extreme combustion pressures and high RPM conditions—essential for extracting maximum power...

Spark plug selection directly impacts your engine's ignition efficiency and overall race-day performance. The Racing Plug AR135 delivers consistent, high-energy spark output without resistor interference—critical when every millisecond counts on the...

The Racing Plug AR134 is engineered for maximum spark energy in high-RPM applications, delivering the precise ignition timing your engine demands under extreme conditions. Built without resistor elements, this plug eliminates suppression losses and...

The Racing Plug AR132 is engineered for high-RPM applications where standard spark plugs fall short. Its non-resistor construction maximizes conductivity for crisp, consistent ignition timing—critical when every millisecond counts on the track. Whether...

The Racing Plug AR13 delivers the consistent, hot spark your high-revving engine demands under sustained load and extreme conditions. Built for racing applications where standard plugs falter, this non-resistor design eliminates suppression that robs...

Consistent spark delivery under extreme engine loads is critical for maintaining peak power and reliability on the track. The Racing Plug AR12 is engineered with a non-resistor design that maximizes spark energy, ensuring faster ignition and more...