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NGK Ruthenium HX spark plugs are designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) engineering promotes spark energy concentration and ignites a wider range of air/fuel ratios, offering improved performance in rich or lean engine conditions. Order the plugs recommended for fitment on your application. Additional details: * 0.4mm Ruthenium alloy fine-wire center electrode and 0.8mm platinum fine-wire ground electrode * Trivalent metal platinum provides superior anti-corrosion and anti-seizing properties * Corrugated ribs prevent flashover * Pure alumina silicate ceramic insulator offers superior strength and better heat transfer * Copper core aids in heat removal
( 37 )
$10.99
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$23.99
Brisk Multi-Spark spark plugs are designed to deliver three simultaneous sparks without any modifications to your ignition system. This unique patented design is beneficial for high performance and racing applications, and everyone who is seeking a more full and complete combustion cycle—as there is no shrouding of the sparks. By having the multiple sparks unshrouded, the plugs have direct access to the air/fuel mixture, which produces a more spontaneous and rapid flame propagation. This improves engine efficiency, as there are less imperfectly ignited cycles (reduction in emissions from unburnt air/fuels)—which is beneficial for racing and performance, as well as a producing an economically friendly product. Order the model and options preferred for your vehicle. Additional product details: * Multi-spark plugs increase engine power * More horsepower, torque, faster acceleration and response * Maximum spark exposure; better use of available energy * Silver center electrode—the best conductor of any metal Multi-Spark plugs are ideal for these applications: * Race engines with precise air/fuel management * Mild supercharged, turbocharged, or nitrous engines * All late model vehicles; better gas mileage
( 10 )
$14.35
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$18.40
Brisk Premium LGS spark plugs utilize a unique semi-surface discharge electrode design. This enables the plug to fire a much larger spark plug gap—because the spark glides along the surface of the insulator, requiring much less energy than firing a traditional-style air gap. Longer spark discharge makes more contact with the air/fuel mixture, igniting more molecules over a larger area. Order the LGS model and options preferred for your application. Additional product details: * High-potential semi-surface discharge equals more power * Discharge at point of richest mixture in 360 degrees perimeter * Patented firing tip design; no indexing or gapping required * Retracted integrated ground electrodes * Silver center electrode—the best thermal and electrical conductor
( 15 )
$14.35
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$18.40
Denso Iridium Long Life spark plugs are factory-installed by a wide range of automakers and are fast becoming the standard for today's high-tech engines. Denso has created a spark plug unlike anything on the market today. Designed for durability under the most extreme conditions, Denso's patented iridium alloy is six times harder and eight times stronger than conventional platinum. You'll enjoy more horsepower, faster and easier starts, fewer misfires under heavy loads, plus better fuel economy! Order the model and options best suited for your application. Additional features and benefits of Denso Iridium Long Life spark plugs include: * 0.7mm iridium tip, dramatically improving ignitability and longevity * Platinum ground electrode for reduced wear and erosion * Endures temperatures in excess of 4,000 degrees F * Sustained performance over 100,000 miles--up to three times longer than conventional plugs * Withstands higher pressures * Tapered cut improves firing performance by reducing quenching * 360 degree laser-welding process secures center electrode
( 6 )
$11.99
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$21.99
Brisk Premium EVO spark plugs feature patented laser technology. They're intended for use with applications varying from stock OEM to performance street vehicles. This plug design offers great performance benefits, including more horsepower, faster acceleration, a more responsive throttle, and more fuel efficiency. A unique auxiliary electrode is located at the tip of the insulator, formed using laser deposition. This provides a longer lifespan, while still delivering a multiple spark discharge. Order the EVO model and options preferred for your vehicle. Additional product features: * Perfect ignition of the fuel mixture in the engine cylinders in all operating modes * Unrestricted flame front propagation throughout the combustion chamber * Continuous spark gap over the entire 2 x 360 degree circumference * Reduction of harmful emissions * Resistance to increased voltage requirements after long-term operation * Lower specific consumption * Better cold and hot starts * Replacement interval: maximum 50,000 miles
( 6 )
$15.75
Brisk iridium racing spark plugs increase your engine power. Iridium is 6 times harder, 8 times stronger, and has a 1,200 degrees higher melting point than platinum. These plugs are power-focused, putting the spark exactly in the focal point of the reflector. They require lower supplied ignition voltage, and are built with an optimized diameter center and cut back ground electrode. Iridium spark plugs are ideal for high-pressure, high-output race engines, as well as turbo, supercharged, or nitrous applications. Additional product details: * Less quenching, better air/fuel mixture access equals more power * Ability to ignite lean mixtures and difficult-to-ignite fuels * Good resistance to fouling and easier starts
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$11.39
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$18.30
Autolite Revolution HT spark plugs are designed to provide more space for additional intake valve and unobstructed intake ports. They will enhance power and create more efficient airflow without increasing the engine's size. The Revolutions from Autolite feature a 10mm high-thread design that can maintain the same dielectric, mechanical, and durability characteristics associated with conventional 14mm spark plugs. When doing a tuneup on your engine, use Autolite Revolution HT spark plugs to get the job done .
( 16 )
$12.99
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