Street Bike Spark Plug

NGK CR7HSA-9 spark plugs deliver the thermal stability serious racers and high-performance engines demand, preventing the fouling and preignition issues that compromise power output and reliability. Built with a deep-seated copper core and high alumina...

NGK Laser Iridium spark plugs deliver reliable ignition and extended service intervals, keeping your engine running at peak performance without frequent replacements. The fine-wire iridium and platinum design resists fouling and maintains consistent...

The NGK CR7EB spark plug delivers the thermal stability serious racers and high-performance builds demand. With a wide operating heat range and superior heat dissipation, you'll eliminate fouling at low RPMs and prevent preignition when pushing peak...

If you're running serious power and need reliable ignition across a wide RPM range, the NGK CPR8E spark plug delivers the thermal stability to prevent fouling at low loads and preignition when pushing hard. The wide heat range makes this plug ideal for...

If you're running a high-performance engine, spark plug selection directly impacts ignition reliability and power output. NGK MAR10A-J plugs are engineered with a wider effective heat range, eliminating the risk of fouling at low RPMs or preignition...

Spark plug performance directly impacts engine efficiency, throttle response, and overall reliability—especially under high-load racing conditions. The NGK MAR9A-J delivers a wider effective heat range, eliminating the fouling issues that plague cooler...

NGK Laser Iridium Spark Plugs deliver the reliable ignition performance your engine demands, whether you're pushing peak RPMs on the track or maintaining consistent street driving. The fine-wire iridium and platinum electrode design ensures minimal wear...

NGK's CPR6EA-9S spark plugs deliver the thermal stability serious racers and high-performance builds demand, maintaining optimal combustion across aggressive tuning ranges without fouling or preignition issues. The deep-seated copper core and nickel...

NGK's iridium spark plugs represent a genuine leap in ignition reliability—the ultra-fine iridium electrode fires consistently across a wider temperature range while demanding less voltage from your ignition system. This translates to easier cold starts,...

A spark plug might seem like a simple component, but it's critical to your engine's efficiency, fuel economy, and overall performance. NGK's R7376-10 represents the pinnacle of spark plug engineering, delivering reliable ignition with minimal voltage...

NGK's LMAR9E-J spark plugs deliver the thermal stability serious racers and high-performance builds demand. With a precisely engineered heat range, these plugs prevent fouling under light-load conditions while eliminating preignition when cylinder...

NGK DCPR7E spark plugs deliver the thermal stability serious racers and high-performance builds demand. With a wide operating heat range, these plugs eliminate fouling at lower temperatures and prevent preignition when pushed hard—critical for forced...

Whether you're tuning a high-output engine or maintaining consistent performance across varying conditions, the NGK LMAR9D-J spark plugs deliver reliable ignition without the compromise. Their wide operating heat range eliminates the guesswork of plug...

The NGK DCPR8E is engineered for consistent ignition performance across a wide range of operating conditions—critical when you're pushing your engine to its limits. Whether you're tuning for maximum power or managing variable load conditions, these plugs...

A reliable spark plug is the foundation of consistent ignition timing and engine performance—whether you're pushing for lap times or maintaining daily reliability. The CHAMPION RN12YC delivers precision heat range control through its copper core center...

Reliable spark plugs are the foundation of consistent engine performance, and the CHAMPION RA8HC delivers precise ignition across thousands of miles. Built with a copper core center electrode and advanced resistor technology, this plug maintains optimal...

NGK Laser Iridium Spark Plugs deliver the precise ignition timing your engine demands, whether you're tuning for peak performance or maintaining reliable daily operation. The fine-wire iridium center electrode and platinum ground electrode resist wear...

NGK's BPR5ES spark plugs are engineered for engines that demand reliability across a wide operating range—whether you're pushing peak power or idling at the line. The superior thermal management prevents both fouling and preignition, giving you...

Spark plug performance directly impacts combustion efficiency, throttle response, and engine reliability—especially under high-load racing conditions. The NGK CPR6EB-9 delivers consistent ignition across a wide heat range, eliminating fouling issues that...

NGK spark plugs are engineered for serious power delivery and consistent performance across demanding operating conditions. The MAR8B-JDS features a wide heat range that prevents fouling when running cool and eliminates preignition risk at higher...