Boost your engine's reliability and efficiency with the Autolite Copper Spark Plug 3922, the industry standard for consistent performance across all riding conditions. Designed with a full copper...

Keep your machine running at its peak with the Autolite Copper Spark Plug 4275, the ultimate choice for riders who refuse to compromise on ignition reliability. Featuring a full copper core...

Keep your engine firing on all cylinders with the Autolite Copper Spark Plug 4265, a staple for riders who demand consistency and power. This plug is built with a full copper core electrode,...

Experience the gold standard of ignition performance with the Autolite Copper Spark Plug 4164, engineered to deliver unwavering reliability for your powersports machine. At the heart of this plug is...

Boost engine performance and reliability with the Autolite Copper Spark Plug 4162, designed to deliver consistent ignition in all conditions. Its copper-glass seal bonds the insulator, terminal post...

Ignite reliable performance every time with the Autolite Copper Spark Plug 4123, engineered for precision and durability. Its copper-glass seal bonds the insulator, terminal post and center electrode...

Experience reliable ignition and peak engine performance with the Autolite Copper Spark Plug 4345. Designed with a full copper core electrode, this spark plug ensures consistent spark delivery for...

Boost your engine’s performance and reliability with the Autolite Copper Spark Plug 4063. Featuring a full copper core electrode, this spark plug delivers consistent ignition, ensuring smooth starts,...

Maximize engine performance and reliability with the Autolite Copper Spark Plug 4316. Engineered with a full copper core electrode, this spark plug delivers consistent ignition in all conditions,...

Upgrade your engine’s reliability with the Autolite Copper Spark Plug 4303, designed to deliver consistent ignition and superior performance. Its full copper core, paired with a copper-glass seal,...

Ensure dependable starts and smooth engine performance with the Autolite Copper Spark Plug 4302. Designed with a full copper core and copper-glass seal, it delivers maximum voltage to the spark gap...