Top 8 Performance Spark Plugs – Automotive Replacement Spark Plugs

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1. Denso

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DENSO IK20 Iridium Power Spark Plug Ik20 X 4Pieces Ignition Plugs Racing Upgrade

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Denso #ad - Improve Horse power. Its high performance is only possible from the 04mm center electrode. Improve Acceleration. Improve Fuel Mileage.
BrandDenso #ad
ManufacturerDENSO #ad
Weight0.09 Pounds
Part NumberIK20

2. NGK

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Pack of 4, NGK 7397 TR5IX Iridium IX Spark Plug

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NGK #ad - The 06mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical Quenching Effect.

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. Trivalent metal Plating - superior anti-corrosion and anti-seizing properties. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines.
BrandNGK #ad
ManufacturerNGK #ad
Height1 Inches
Length4.1 Inches
Weight0.15 Pounds
Width3.5 Inches
Part Number7397
Model7397-4PK

3. JDMSPEED

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JDMSPEED New 10.5mm High Performance Spark Plug Wire Set Fit For HEI SBC BBC 350 383 454 Electronic

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JDMSPEED #ad - Universal set for sbC & BBC Chevrolet Engines. Ready for install Straight out of the box. After market high premium quality. Please make sure to check fitment below!!105mm high performance Racing Spark Plug Wires.
BrandJDMSPEED #ad
ManufacturerJDMSPEED #ad
Height7.68 Inches
Length10.24 Inches
Weight2.51 Pounds
Width2.56 Inches
Part NumberSBC350

4. Bosch Automotive

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4 Pack, Bosch Automotive 9603 Double Iridium OE Replacement Spark Plug Up to 4X Longer Life 4 Pk Acura Chrysler Ford Honda Infiniti Jaguar Lexus Mercedes-Benz Mitsubishi Nissan Subaru Toyota +More

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Bosch Automotive #ad - Mercedes-benz: 05-06 c55 amg, nissan: 92-01 maxima, 90-95, 04-07, 05-11 slk55 amg; mitsubishi: 00 eclipse, 90-94 d21, 02-04 slk32 amg, 00-04 slk230, 09 galant; nissan: 00-01 altima, 91-93 NX, 10-11 Endeavor, 04-08, 99-04 frontier, 99-00, 99-00 Pathfinder.7 year performance satisfaction. 360 degree continuous laser weld fuses corrosion resistant iridium firing pin to base for increased durability.

Lexus: 04-06 es330, 01-07 gs430, 92-94 sc300, 10-12 hs250h, mercedes-benz: 03-06 clk55 amg, 99-03 rx300, 02 c230, 06-08 rx400h, 01-06 ls430, 98-00 gs400, 02-10 sc430, 98-07 lx470, 04-06 rx330, 03-09 gx470, 92-00 sc400, 90-00 ls400, 02-04 C32 AMG.995 pickup, 09-10 pontiac vibe, 10-12 subaru outback; toyota: 95-04 avalon, 98-01 sentra, 99-02 quest, 01-10, 88-11, 00-04 xterra, 17 camry, 08-12 xb, 95-98 240sx, 95-98 0sx, 03-06, scion: 05-10 tC, 10-12 subaru legacy, 91-94, 90-96 300zx, 14-17 Highlander.0

06mm fine wire firing pin provides superior ignitability and performance. Original equipment, pre-gapped replacement delivering optimum fit, form and function. Hex size: 5/8 inch. 92-05 celica, 99-08 solara, 03-06, 98-06 sienna, 00-09 tundra, 88-89, 17 rav4, 92-95 mr2, 09-12, 05-06, 95-97 previa, 16-17 prius, 17 prius prime, 09-12 matrix, 01-09 sequoia, 17 prius c, 96-08, 93-98 Supra, 98-07 land cruiser, 14 corolla, 92, 03-09 4Runner. Double iridium firing pin and ground electrode inlay provide 4X longer service life compared to standard copper plugs.
BrandBosch Automotive #ad
ManufacturerBosch #ad
Weight0.43 Pounds
Part Number9603
Model9603

5. Fram

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4 Pack, FRAM AR3910X-4PK Ar High Performance Racing Non-Resistor Spark Plug

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Fram #ad - Contains an yttrium-enhanced alloy to enable up to 8% reduction in side wire temperature for improved durability and less pre-ignition. Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions. Replacement racing spark plug used by many professional car drivers.
BrandFram #ad
ManufacturerFRAM #ad
Height0.16 Inches
Length1.4 Inches
Weight0.12 Pounds
Width0.45 Inches
Part NumberAR3910X
ModelAR3910X-4PK
WarrantyManufacturer Warranty

6. E3 Spark Plugs

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Pack of 1, E3 Spark Plug E3.36 Powersports Spark Plug

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E3 Spark Plugs #ad - Thread diameter- 12mm. Thread reach- 0750 inch. Hex size- 5/8 inch. Contains an yttrium-enhanced alloy to enable up to 8% reduction in side wire temperature for improved durability and less pre-ignition. Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions. Replacement racing spark plug used by many professional car drivers.
BrandE3 Spark Plugs #ad
ManufacturerE3 Spark Plugs #ad
Height0.8 Inches
Length6.5 Inches
Weight0.1 Pounds
Width4.5 Inches
Part NumberE336
ModelE336
WarrantyManufacturer Warranty

7. Cable Master

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Cable Master 10mm Racing Performance Spark Plug Wires For GM Suburban Corvette Silverado 1500-2500 99-06 LS1 VORTEC 4.8L 5.3L 6L V8

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Cable Master #ad - High-tear strength double silicone jacket with a fiber glass wire layer and heat-resistant insulation ensure the safety of electric connection low resistance, high energy wire wound mag conductor delivers maximum voltage.

Kevlar core for maximum durability and long life AND Durable nickel wire wound conductor for maximum horsepower and engine performance. Premium silicone jacketing and boots for ultimate high temperature protection AND Superior RFI suppression for the most sensitive electronic system. Other brand reference: acdelco 9748rr ngk rc-gmx107 denso 671-8161 Delphi XS10545 Autolite 97073. Fit vehicle oe part number 97093 ch7883 6718161 118079 19297032 3162 51436.
BrandCable Master #ad
ManufacturerLW AUTO PARTS CO.,LTD #ad
Part Number128010(10mm)
Model3162
Warranty1-year, unlimited-mileage warranty

8. PRO BAT

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Orange, Scooter GY6 50cc 150cc Spark Plug, PRO BAT, 2 Packed High Performance 3 Electrode A7TC A7TJC Spark Plug for GY6 50-125cc Moped Scooter ATV Quads

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PRO BAT #ad - Diameter thread: 10mm Thread Length: 12. 7mm. 100% brand new 3 electrode spark plug fit for dirtbikes atvs cubs honda crf50 dax and so on.

For transmission: all chinese made 50cc 139QMB, 125 150cc 154QMI 157QMJ. Please check pictures and specifications for compatibility. Quality assurance, unconditional lifetime guarantee, so you can purchase now with confidence. A7tc a7tjc spark plug specifically designed to boost performance of a small engine. 2 packed high performance spark plug mainly for gy6 scooter moped atv dirt bike 50cc 110cc 125cc 150cc engine, 90cc, for Horizontal Engine Series: 50cc, 110cc, 70cc, 125cc.
BrandPRO BAT #ad
ManufacturerPRO BAT #ad
Part NumberDHSPA7