Street Bike Spark Plug

Reliable ignition is the foundation of consistent engine performance, and NGK's BR10ECM spark plugs deliver the durability and heat range you need for dependable starting and smooth combustion across a wide range of operating conditions. Whether you're...

NGK LMAR7A-9 spark plugs deliver the thermal stability your engine needs to perform reliably across a wide range of operating conditions. Whether you're pushing higher boost levels, running aggressive timing curves, or maintaining consistent street...

The NGK CR8EIB-9 Iridium Spark Plug represents the pinnacle of ignition technology, delivering reliable combustion and extended service intervals for high-demand applications. With an ultra-fine iridium electrode that requires significantly less voltage...

NGK Laser Iridium Spark Plugs deliver superior ignition reliability and extended service intervals, making them the smart choice for high-performance engines that demand consistent, dependable firing. The fine wire iridium center electrode resists wear...

NGK's R7376-8 spark plug brings iridium electrode technology to your ignition system, delivering reliable starts and extended service life across demanding conditions. The ultra-fine center electrode requires significantly less voltage to fire, reducing...

NGK Laser Iridium Spark Plugs deliver reliable ignition performance with minimal wear, keeping your engine running at peak efficiency across extended service intervals. The fine-wire iridium and platinum electrode design resists fouling and maintains...

Spark plug performance directly impacts combustion efficiency, throttle response, and engine longevity—making the right choice critical for both track and street applications. The NGK BKR5E-11 delivers a wide operating heat range that eliminates fouling...

NGK's LMAR8D-J spark plugs deliver the thermal stability you need for consistent ignition across a wide range of engine conditions—whether you're running lean at the track or dealing with variable load demands. The advanced ceramic construction and...

Consistent ignition across all RPM ranges is foundational to reliable engine performance, and the NGK Spark Plug 3653 delivers exactly that through its fine-wire iridium and platinum electrode design. Whether you're chasing lap times or maintaining daily...

NGK's iridium spark plugs deliver superior ignition efficiency and longevity compared to conventional plugs, reducing misfires and extending your ignition system's service life. The ultra-fine iridium electrode requires significantly less voltage to...

The NGK CR7HSA spark plugs deliver dependable ignition across a broad operating range, making them ideal for engines that see variable load conditions or tuning adjustments. High alumina ceramics and a deep-seated copper core work together to prevent...

Running the wrong heat range spark plug is a common cause of performance loss and engine damage—fouling from cold plugs and preignition from hot ones will cost you both power and reliability. The NGK DCPR6E 3481 is engineered with a wide operating range...

If you're pushing your engine hard, spark plug selection directly impacts combustion efficiency, throttle response, and longevity under sustained load. The NGK DCPR8E delivers a wide thermal range that resists both fouling from cool-running conditions...

NGK DCPR8EKP spark plugs deliver consistent ignition across a wide operating range, eliminating the fouling and pre-ignition issues that plague poorly-matched plugs. Whether you're tuning a street engine or pushing peak performance on the track, these...

NGK's PMR7A spark plugs deliver consistent ignition performance across a wide operating range, making them ideal for both street and motorsport applications where engine conditions vary. The advanced ceramic construction and dual-core design eliminate...

The NGK CR8EIA-9 Iridium Spark Plug represents a measurable upgrade over conventional and platinum plugs—delivering reliable ignition with lower voltage demands and extended service intervals. Whether you're building a high-revving engine or maintaining...

NGK's PMR-8B spark plugs are engineered for racers and high-performance enthusiasts who demand reliability across demanding operating conditions. The wide thermal range prevents both fouling from cold running and preignition from excessive heat—critical...

NGK spark plugs are engineered for engines that demand consistent ignition performance across a wide range of operating conditions. Whether you're tuning a high-revving naturally aspirated engine or managing variable loads, the BPR8HS delivers reliable...

Maintaining proper spark plug heat range is critical for engine reliability and performance—run too cool and you'll foul plugs, run too hot and you risk preignition and detonation. The NGK ER9EH delivers the thermal stability serious racers and tuned...

NGK Laser Iridium Spark Plugs (7556) deliver consistent, reliable ignition across the RPM range while extending service intervals significantly longer than conventional plugs. The fine-wire iridium and platinum construction resists fouling and wear,...