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Best Spark Plugs - Buying Guide

Last Updated: 08/17/2019

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  #1

NGK (7839) DR7EA Standard Spark Plug, Pack of 1

Model: 7839   |    Mpn: 7839   |    Ean: 0087295078396   |    PartNumber: 7839   |   Asin: B000XBBBAY

Stens 130-149 NGK DR7EA Spark Plug

Features

  • Solid copper core for greater spark
  • Longer insulator nose prevents fouling
  • Corrugated ribs on insulator prevents flashover
  • Zinc dipped shell prevents corrosion
  • Triple gasket seal eliminates combustion gas leakage
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Brand: NGK   |   Manufacturer: NGK

Item Dimensions: 0.74 x 0.85 x 3.07 inches (1.9 x 2.2 x 7.8 cm)   |   Package Dimensions: 0.1 x 1.8 x 7.8 inches (0.3 x 4.6 x 19.8 cm)

First Available: 2012-09-24

Amazon Price: $0.77 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $3.99

Warranty: Manufacturer Warranty

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  #2

Denso (3297) SK20R11 Iridium Spark Plug, Pack of 1

Model: SK20R11   |    Mpn: 3297   |    Ean: 7355117378119   |    PartNumber: 3297   |   Asin: B0012Q4IPY

Denso Iridium Spark Plug Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. Because of the strength and hardness of iridium, there is virtually no electrode wear. This combined with a platinum ground electrode, creates a spark plug that is almost impervious to wear even under extreme driving or racing conditions. Technical Specifications - Extra Long Life Iridium Plug, 14mm Thread, 19mm (3/4") Reach, 5/8" (16mm) Hex Size, Gasket Seat, Resistor, Solid Terminal, 0.7mm Fine Wire Iridium-Tipped Center Electrode, Platinum Tipped Ground Electrode, .044" (1.1mm) Gap

Features

  • SK20R11
  • Excellent acceleration and performance
  • Stable combustion during idling
  • Long life and high reliability
  • Features iridium with high melting point
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Brand: Denso   |   Manufacturer: DENSO

Item Dimensions: 0.98 x 0.98 x 3.35 inches (2.5 x 2.5 x 8.5 cm)   |   Package Dimensions: 0.8 x 1 x 3.2 inches (2.0 x 2.5 x 8.1 cm)

Amazon Price: $6.18 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $11.69

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  #3

NGK (6578) BPR4ES SOLID Standard Spark Plug, Pack of 1

Model: BPR4ES   |    Mpn: BPR4ES   |    Ean: 0087295165782   |    PartNumber: BPR4ES   |   Asin: B001RMC3Y6

Ngk traditional spark plug is manufactured to enhance the performance of the vehicle. It is constructed from durable material that is corrosion & abrasion resistant. The spark plug insulators are made of 99% pure alumina silicate, allowing for longer insulator noses for reduced fouling. This spark plug features a triple gasket sealing process that eliminates fuel leakage. It also includes a solid copper core that provides superior heat dissipation & conductivity. This spark plug has resistor that is produced with a glass & carbon mixture, which is fired to ensure superior performance & durability. It has corrugated ribs that prevent flash over & cold rolled threads to inhibit damage to the cylinder head

Features

Brand: NGK   |   Manufacturer: NGK

Package Dimensions: 0.8 x 1 x 3.2 inches (2.0 x 2.5 x 8.1 cm)

Amazon Price: $2.17 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $3.81

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  #4

NGK (3922) BR6HS Standard Spark Plug, Pack of 1

Model: 130135   |    Mpn: 3922   |    Ean: 0087295139226   |    PartNumber: 3922   |   Asin: B000F0G0TK

Stens 130-135 NGK BR6HS Spark Plug

Features

  • Designed to operate over a much wider heat range than ordinary plugs
  • Resists carbon buildup and pre-ignition
  • High alumina ceramics for better heat transfer and electrical insulation
  • Solid copper core and nickel tipped electrode provide a longer plus life
  • Patented triple gasket sealing process eliminates the possibility of combustion gas leakage
  • Solid copper core for greater spark
  • Longer insulator nose prevents fouling
  • Corrugated ribs on insulator prevents flashover
  • Zinc dipped shell prevents corrosion
  • Triple gasket seal eliminates combustion gas leakage
  • See more on Amazon...

Brand: NGK   |   Manufacturer: NGK

Item Dimensions: 1.36 x 0.46 x 0.46 inches (3.5 x 1.2 x 1.2 cm)   |   Package Dimensions: 1.18 x 1.18 x 3.46 inches (3.0 x 3.0 x 8.8 cm)

Amazon Price: $2.18 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $2.49

Warranty: Please Contact Seller for Product Warranty Information.

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  #5

NGK (3346) BR7EF V-Power Spark Plug, Pack of 1

Model: BR7EF   |    Mpn: BR7EF   |    Ean: 5053557060190   |    PartNumber: BR7EF   |   Asin: B000CJ8DHG

NGK Traditional Spark Plug is manufactured to enhance the performance of the vehicle. It is constructed from durable material that is corrosion and abrasion resistant. The Spark plug insulators are made of 99 percent pure alumina silicate, allowing for longer insulator noses for reduced fouling. This Spark plug features a triple gasket sealing process that eliminates fuel leakage. It also includes a solid copper core that provides superior heat dissipation and conductivity. This Spark plug has resistor that is produced with a glass and carbon mixture, which is fired to ensure superior performance and durability. It has corrugated ribs that prevent flash over and cold rolled threads to inhibit damage to the cylinder head.

Features

  • You can depend on NGK for quality and reliability
  • Triple-Gasket Sealing Process
  • Highly durable against electrical and chemical wear
  • Insulators constructed from 99 percent pure alumina silicate
  • Better fuel economy and lower emissions
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Brand: NGK   |   Manufacturer: NGK

Item Dimensions: 2.08 x 2.24 x 4.35 inches (5.3 x 5.7 x 11.0 cm)   |   Package Dimensions: 0.9 x 1 x 3.3 inches (2.3 x 2.5 x 8.4 cm)

Amazon Price: $2.10 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $3.81

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  #6

ACDelco 41-993 Professional Iridium Spark Plug (Pack of 4)

Model: 41-993   |    Mpn: 41-993   |    Ean: 0707773652930   |    PartNumber: 41-993   |   Asin: B075XWYMYD

AC Delco 41-993 Spark Plugs

Features

  • Iridium offers better engine idle stability and smoother performance
  • Iridium allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration
  • Iridium fine-wire electrode helps improve ignition of the fuel and burns away carbon deposits on the tip of the plug as they form, to help improve fuel economy
  • One piece suppressor seal blocks radio frequencies that can affect vehicle electronics
  • Suppressor seal meters spark energy for longer electrode life and seals against combustion leakage
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Brand: ACDelco   |   Manufacturer: ACDelco

Package Dimensions: 0.8 x 3.2 x 3.7 inches (2.0 x 8.1 x 9.4 cm)

First Available: 2017-09-25

Amazon Price: $30.59 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $32.05 | Used Price: $27.89

Warranty: For warranty information about this product, please click here

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  #7

NGK 6240 PLFR5A-11 Laser Platinum Spark Plug

Model: 6240   |    Mpn: 6240   |    Ean: 0087295062401   |    PartNumber: 6240   |   Asin: B000BYERBI

NGK Laser Platinum Spark Plugs are engineered to offer excellent fuel ignition and enhanced throttle response. They are built to OEM specifications and feature trivalent metal plating which provide long lasting durability and protection against anti-seizing. These spark plugs include a laser welded platinum center electrode tip offering faster starts and quicker acceleration. They feature a platinum disc welded behind the ground electrode providing enhanced fuel economy and reduced emissions.

Features

  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Copper Core Aids in Heat Removal
  • Triple Seals Prevent Leakage; Torque Specs: Cast Iron: 18-25.3 lb. ft; Overall Height : height of the spark plug from the seat to the top of the terminal nut is 50.5mm (1.98-inch)
  • You can depend on NGK for quality and reliability
  • Features trivalent metal plating which provide long lasting durability
  • Includes laser welded platinum center electrode tip offering faster starts and quicker acceleration
  • Equipped with platinum disc welded behind the ground electrode
  • Better fuel economy and reduced emissions
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Brand: NGK   |   Manufacturer: NGK

Item Dimensions: 2.08 x 2.24 x 4.35 inches (5.3 x 5.7 x 11.0 cm)   |   Package Dimensions: 0.8 x 1 x 3.6 inches (2.0 x 2.5 x 9.1 cm)

Amazon Price: $10.07 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $10.09

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  #8

NGK (3764) BKR6EIX-11 Iridium IX Spark Plug, Pack of 1

Model: BKR6EIX-11   |    Mpn: BKR6EIX-11   |    Ean: 5054000741079   |    PartNumber: BKR6EIX-11   |   Asin: B000BYGK0E

NGK Iridium IX Spark Plug is designed to offer extreme ignitability, improved throttle response and superior anti fouling capacity. It is constructed from durable material that is corrosion and abrasion resistant. This Spark plug features a fine iridium tip that ensures high durability. It ensures longevity and can easily be installed.

Features

  • You can depend on NGK for quality and reliability
  • Constructed from durable material
  • Fine Iridium tip ensures high durability
  • Features superior anti-corrosion and anti-seizing properties
  • Iridium alloy has extremely high melting point, perfect for today's high-tech, high-performance engines
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Brand: NGK   |   Manufacturer: NGK

Item Dimensions: 2.08 x 2.24 x 4.35 inches (5.3 x 5.7 x 11.0 cm)   |   Package Dimensions: 0.7 x 1 x 3.3 inches (1.8 x 2.5 x 8.4 cm)

Amazon Price: $6.71 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $13.31

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  #9

NGK (3785) BPR7ES SOLID Standard Spark Plug, Pack of 1

Model: BPR7ES-SOLID   |    Mpn: 3785   |    Ean: 0087295137857   |    PartNumber: 3785   |   Asin: B001RM8BMY

NGK Traditional Spark Plug is manufactured to enhance the performance of the vehicle. It is constructed from durable material that is corrosion and abrasion resistant. The spark plug insulators are made of 99 percent pure alumina silicate, allowing for longer insulator noses for reduced fouling. This spark plug features a triple gasket sealing process that eliminates fuel leakage. It also includes a solid copper core that provides superior heat dissipation and conductivity. This spark plug has resistor that is produced with a glass and carbon mixture, which is fired to ensure superior performance and durability. It has corrugated ribs that prevent flash over and cold rolled threads to inhibit damage to the cylinder head.

Features

  • Solid terminal nut
  • Insulators constructed from 99 percent pure alumina silicate
  • Solid core offers superior heat dissipation and conductivity
  • Corrugated ribs prevent flash over
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Brand: NGK   |   Manufacturer: NGK

Package Dimensions: 0.8 x 1 x 3.2 inches (2.0 x 2.5 x 8.1 cm)

Amazon Price: $6.66 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $4.92

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  #10

ACCEL PLUGS 8179 High Performance Copper Spark Plug with Resistor, 8 Pack,

Model: 8179   |    Mpn: 8179   |    Ean: 0042511181793   |    PartNumber: 8179   |   Asin: B001LJCP4S

Acela HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. Acela HP Spark Plugs are allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All Acela HP Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Features

  • Ground electrode core material: copper
  • Insulator type: mid projected
  • Spark plug gap: pre-gapped
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Brand: ACCEL PLUGS   |   Manufacturer: ACCEL PLUGS

Package Dimensions: 1.1 x 3.7 x 9.61 inches (2.8 x 9.4 x 24.4 cm)

Amazon Price: $26.89 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $26.89

Warranty: Manufacturer Warranty

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  #11

NGK LB05FP Resistor Spark Plug Cap

Model: LB05FP   |    Mpn: LB05FP   |    Ean: 0087295180303   |    PartNumber: LB05FP   |   Asin: B0018JXPWM

NGK resistor covers are manufactured using extremely durable phenolic resin and EPDM Rubber. Ceramic resistors are used to ensure optimum performance and reliability. Resistor covers must withstand extreme heat, vibration, prevent flashover and must be water proof. NGK Spark Plugs superior design ensures optimal service life and performance. Resistor covers are for motorcycle, marine, snowmobile and small engine applications only.

Features

  • NGK resistor covers are manufactured using extremely durable phenolic resin and EPDM rubber
  • Ceramic resistors are used to ensure optimum performance and reliability
  • Resistor covers will withstand extreme heat, vibration, prevent flashover and are water proof
  • 90 degree elbow 5K ohm resistance for terminal stud special waterproof cover
  • 14mm thread
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Brand: NGK   |   Manufacturer: NGK

Item Dimensions: 7.87 x 17.72 x 23.62 inches (20.0 x 45.0 x 60.0 cm)   |   Package Dimensions: 0.9 x 2.1 x 2.4 inches (2.3 x 5.3 x 6.1 cm)

Amazon Price: $1.97 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $3.23 | Used Price: $2.81

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  #12

NGK 54058 Spark Plug Wire Set

Model: EUX065   |    Mpn: 54058   |    Ean: 0087295540589   |    PartNumber: 54058   |   Asin: B001RM7WKQ

NGK Wire Set: 7mm ultra-low resistance magnetic core, wire wound ignition cable with OEM or better specified spark plug and distributor boots. High temp silicone jacket resists underhood temperatures up to 482 degrees F. High density, premium fiberglass braiding reinforcement over EPDM / silicone inner insulation for superior dielectric strength and excellent cable tensile strength. NGK wire sets are built to meet stringent OEM tolerances for a variety of vehicles. They utilize a construction method known as variable pitch wire winding to create resistance to radio frequency interference. The variable pitch winding provides suppression throughout a very wide range by scrambling and breaking up the electrical waves radiated by the firing of the spark plugs. NGK wire sets provide superior firing and fuel savings, outstanding durability, excellent noise suppression, and consistent performance. NGK is the Ignition Specialist with more OE expertise globally than any other brand. With over 80 years of automotive experience, NGK s family of automotive products are driven by extreme dedication to innovation, performance and quality. NGK s premium ignition products are manufactured to the highest durability and operational performance to meet OE standards. The Ignition Specialist full-line product offering includes: spark plugs, glow plugs, ignition coils, coil-on-plug boots and wire sets. With state-of-the-art manufacturing, inventory and distribution facilities in North America and globally, NGK is dedicated to providing customers with world-class products and services. NGK s OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist offering quality replacement parts for domestic and import vehicles.

Features

  • Set includes 4 wires (Coil Lead N/R)
  • Variable pitch winding delivers ultra-low resistance, a powerful spark and outstanding EMI/RFI noise suppression
  • Numbered for easy cylinder identification and coil wires are color coded for correct and easy installation
  • Positive-locking, corrosion-resistant stainless steel terminal ends for tight fit and maximum resistance to vibration and separation
  • High-temp (250 + C / 482 + F) silicone outer jacket resists moisture, oil/petrol and cracking due to temperature extremes
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Brand: NGK   |   Manufacturer: NGK

Item Dimensions: 2.1 x 6.2 x 8.1 inches (5.3 x 15.7 x 20.6 cm)   |   Package Dimensions: 2.1 x 6.2 x 8.1 inches (5.3 x 15.7 x 20.6 cm)

Amazon Price: $22.26 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $36.69

Warranty: Limited Lifetime

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  #13

ACCEL 0526-4 Copper Core Spark Plug, (Pack of 4)

Model: 0526-4   |    Mpn: 0526-4   |    Ean: 0743047113158   |    PartNumber: 0526-4   |   Asin: B007RVTBV4

ACCEL spark plugs are engineered to create a considerably hotter spark that lets the flame expand more rapidly in the combustion chamber and creates a more complete and efficient burn of the air/fuel mixture. They build significantly more power at high rpm, reduce fouling and misfire, minimize flame dissipation, and give you instant throttle response and noticeably better fuel economy. Redesigned to reflect advancements in cylinder head and fuel management technology, these copper-core plugs with conventional ground electrodes also provide increased thermal conductivity and come with machine-rolled 14mm threads to protect your cylinder heads.

Features

  • Considerably hotter spark creates a more efficient burn of the air fuel mixture in the combustion chamber
  • Significantly more power at high RPM with less fouling misfire and flame dissipation
  • Redesigned to reflect advancements in cylinder head and fuel management technology
  • Instant throttle response and noticeably better fuel economy
  • Machine rolled 14MM threads protect your cylinder heads
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Brand: ACCEL   |   Manufacturer: ACCEL

Item Dimensions: 4.9 x 3.6 x 0.9 inches (12.4 x 9.1 x 2.3 cm)   |   Package Dimensions: 1 x 3.6 x 4 inches (2.5 x 9.1 x 10.2 cm)

First Available: 2012-03-22

Amazon Price: $16.79 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $16.79

Warranty: 90 Days

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  #14

NGK (4654) R7437-9 Racing Spark Plug, Pack of 1

Model: R7437-9   |    Mpn: R7437-9   |    Ean: 0087295146545   |    PartNumber: R7437-9   |   Asin: B000KE8T2C

NGK Fine Wire Racing Plugs are designed to give you a stronger spark from your existing ignition system. Slightly recessed fine wire iridium center electrode requires less voltage to ionize (jump) the plug gap. This allows a stronger spark which will better ignite the air fuel mixture leading to more power.

Features

  • You can depend on NGK for quality and reliability
  • Requires less voltage to ionize the plug gap
  • Fine wire iridium tipped center electrode
  • Allows a stronger spark
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Brand: NGK   |   Manufacturer: NGK

Item Dimensions: 1.5 x 0.39 x 0.31 inches (3.8 x 1.0 x 0.8 cm)   |   Package Dimensions: 0.8 x 1 x 3.8 inches (2.0 x 2.5 x 9.7 cm)

Amazon Price: $30.99 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $40.48

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  #15

NGK (3108) DPR6EB-9 Standard Spark Plug, Pack of 1

Model: 3108   |    Mpn: 3108   |    Ean: 5053557112752   |    PartNumber: 3108   |   Asin: B001RM8AFC

NGK Spark Plugs are designed to operate over a much wider heat range than ordinary plugs. They resist carbon buildup and pre-ignition. Each features high alumina ceramics for better heat transfer and electrical insulation. A patented triple gasket sealing process eliminates the possibility of combustion gas leakage, and a longer insulator nose prevents fouling and misfiring. A solid copper core and its nickel tipped electrode provide a longer plus life.

Features

  • Designed to operate over a much wider heat range than ordinary plugs
  • Resists carbon buildup and pre-ignition
  • High alumina ceramics for better heat transfer and electrical insulation
  • Solid copper core and nickel tipped electrode provide a longer plus life
  • Patented triple gasket sealing process eliminates the possibility of combustion gas leakage
  • Solid copper core for greater spark
  • Longer insulator nose prevents fouling
  • Corrugated ribs on insulator prevents flashover
  • Zinc dipped shell prevents corrosion
  • Triple gasket seal eliminates combustion gas leakage
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Brand: NGK   |   Manufacturer: NGK

Item Dimensions: 1.18 x 0.35 x 0.28 inches (3.0 x 0.9 x 0.7 cm)   |   Package Dimensions: 2.2 x 3.9 x 4.65 inches (5.6 x 9.9 x 11.8 cm)

Amazon Price: $2.04 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $4.92

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  #16

NGK (2262) ZFR5F-11 V-Power Spark Plug, Pack of 1

Model: ZFR5F-11   |    Mpn: ZFR5F-11   |    Ean: 5052427527153   |    PartNumber: ZFR5F-11   |   Asin: B000A8OVHU

NGK Spark Plugs are designed to operate over a much wider heat range than ordinary plugs. They resist carbon buildup and pre-ignition. Each features high alumina ceramics for better heat transfer and electrical insulation. A patented triple gasket sealing process eliminates the possibility of combustion gas leakage, and a longer insulator nose prevents fouling and misfiring. A solid copper core and its nickel tipped electrode provide a longer plus life.

Features

  • Designed to operate over a much wider heat range than ordinary plugs. Heat Range: 5
  • Resists carbon buildup and pre-ignition
  • High alumina ceramics for better heat transfer and electrical insulation
  • Solid copper core and nickel tipped electrode provide a longer plus life
  • Patented triple gasket sealing process eliminates the possibility of combustion gas leakage
  • 45 degree V-Power center electrode increases anti-fouling characteristics and performance
  • Increased fuel economy and lower emissions
  • Lowers ignition system voltage requirements
  • Greater ignitability and performance over conventional spark plugs
  • Trivalent metal plating has superior anti-corrosion and anti-seizing properties
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Brand: NGK   |   Manufacturer: NGK

Item Dimensions: 2.08 x 2.24 x 4.35 inches (5.3 x 5.7 x 11.0 cm)   |   Package Dimensions: 0.4 x 0.4 x 3 inches (1.0 x 1.0 x 7.6 cm)

Amazon Price: $2.20 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $4.40

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  #17

Denso 3401 Spark Plug

Model: 3401   |    Mpn: 3401   |    Ean: 0042511034013   |    PartNumber: 3401   |   Asin: B002FOF1DK

Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. Because of the strength and hardness of iridium, there is virtually no electrode wear. This combined with a platinum ground electrode, creates a spark plug that is almost impervious to wear even under extreme driving or racing conditions.

Features

  • Denso # 3401
  • Extra Long Life Iridium Plug
  • 0.7mm Fine Wire Iridium-Tipped Center Electrode
  • Platinum Tipped Ground Electrode
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Brand: Denso   |   Manufacturer: Denso

Item Dimensions: 0.98 x 0.98 x 3.62 inches (2.5 x 2.5 x 9.2 cm)   |   Package Dimensions: 0.9 x 1.1 x 3.5 inches (2.3 x 2.8 x 8.9 cm)

First Available: 2012-09-10

Amazon Price: $6.90 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $6.91

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  #18

Bosch 9606 Double Iridium OE Replacement Spark Plug, Up to 4X Longer Life (1 Pk) Cadillac; Ford: Expedition, Explorer, Sport, F E (150 250 350 450), Mustang; Jaguar; Lincoln; Mazda; Oldsmobile; Buick

Model: 9606   |    Mpn: 9606   |    Ean: 0028851011051   |    PartNumber: 9606   |   Asin: B00515NHQS

Bosch Double Iridium Spark Plugs are engineered to deliver both high performance and long life, representing the best of OE spark plug technology. The ultra-fine wire design and laser welded tapered ground electrode deliver optimum performance, while the iridium center electrode and ground electrode help it to go the distance. Unlock the performance in your engine with Bosch Double Iridium Spark Plugs.

Features

  • Double Iridium firing pin and ground electrode inlay provide 4X longer service life compared to standard copper plugs
  • 0.6mm fine wire firing pin provides superior ignitability and performance
  • 360 Degree continuous laser weld fuses corrosion resistant iridium firing pin to base for increased durability
  • 7 year performance satisfaction guarantee
  • Original equipment, pre-gapped replacement delivering optimum fit, form and function
  • 06-11 Buick Lucerne, 00-05 Cadillac DeVille, 06-11 Cadillac DTS, 00-02 Cadillac Eldorado, 00-04 Cadillac Seville, 04-09 Cadillac SRX, 05-10 Cadillac STS, 04-09 Cadillac XLR, 86-97 Ford Aerostar, 92-94,98-99,01-08 Ford Crown Victoria
  • 97 Ford Econoline Super Duty, 05,07-08 Ford Escape, 81-85 Ford Escort, 82-85 Ford EXP, 97,01-04 Ford Expedition, 97-05 Ford Explorer, 01-03 Ford Explorer Sport, 01-05 Ford Explorer Sport Trac, 03-14 Ford E-150, 03-05 Ford E-150 Club Wagon
  • 97,01-02 Ford E-150 Econoline, 97,01-02 Ford E-150 Econoline Club Wagon, 03-14 Ford E-250, 97 Ford E-250 , 97 Ford E-350, 97 Ford E-350 Club Wagon, 09- Ford E-350 Super Duty, 03,09-16 Ford E-450 Super Duty, 78-80 Ford Fiesta, 03-04 Ford Focus
  • 93-95,97,99-08 Ford F-150, 04 Ford F-150 Heritage, 97 Ford F-250, 83-86 Ford LTD, 80,83-86,91-95,99-04 Ford Mustang, 90-92 Ford Probe, 89-92,96-00,04-08 Ford Ranger, 86-95,99-06 Ford Taurus, 84-87,92-94 Ford Tempo, 83-88,94-95 Ford Thunderbird,
  • 00-08 Jaguar S-Type, 02-08 Jaguar X-Type, 02 Lincoln Blackwood, 03-05 Lincoln LS, 93-95 Lincoln Mark VIII, 01-04 Lincoln Navigator, 91-94,98-08 Lincoln Town Car, 03-08 Mazda 6, 80-81,83-84 Mercury Capri, 82,84-86,94-95 Mercury Cougar, 92-94,98-10 Mercury Grand Marquis, 82-83 Mercury LN7, 81-85 Mercury Lynx, 03-04 Mercury Marauder, 08 Mercury Mariner, 83-84 Mercury Marquis, 98-06 Mercury Mountaineer, 86-95,01,03-05 Mercury Sable, 85-87,92-94 Mercury Topaz, 87,90 Mercury Tracer, 85-89 Merkur XR4Ti, 01-03 Oldsmobile Aurora, 04-05 Pontiac Bonneville
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Brand: Bosch Automotive   |   Manufacturer: Bosch

Item Dimensions: 1 x 3.5 x 4.6 inches (2.5 x 8.9 x 11.7 cm)   |   Package Dimensions: 0.8 x 0.9 x 3.3 inches (2.0 x 2.3 x 8.4 cm)

Amazon Price: $5.59 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 1-2 business days
List Price: $5.59 | Used Price: $7.74

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  #19

NGK (4253) PZFR7G-G Laser Platinum Spark Plug, Pack of 1

Model: PZFR7G-G   |    Mpn: PZFR7G-G   |    Ean: 0087295142530   |    PartNumber: PZFR7G-G   |   Asin: B001B0Z080

Laser Platinum spark plugs provide high ignitability and longer service life. Dual platinum surfaces ensure slow wear rate providing stable idle, superior anti-fouling, improved fuel efficiency and lower emissions. Laser welded platinum center electrode tip creates faster starts and quicker acceleration while the platinum disc welded to backside of ground electrode provides long life. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties.

Features

  • Laser Platinum spark plugs provide high ignitability and longer service life
  • Dual platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions
  • Laser welded Platinum center electrode tip creates faster starts and quicker acceleration while the platinum disc welded to backside of ground electrode provides long life
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Triple gasket seal eliminates combustion gas leakage
  • See more on Amazon...

Brand: NGK   |   Manufacturer: NGK

Item Dimensions: 1.3 x 0.39 x 0.31 inches (3.3 x 1.0 x 0.8 cm)   |   Package Dimensions: 0.8 x 1 x 3.3 inches (2.0 x 2.5 x 8.4 cm)

Amazon Price: $10.99 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $12.91

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  #20

ACCEL 0574S-4 Shorty Copper Core Spark Plug, (Pack of 4)

Model: 0574S-4   |    Mpn: 0574S-4   |    Ean: 0743047113189   |    PartNumber: 0574S-4   |   Asin: B007RVTC86

ACCEL's "Shorty" spark plugs keep your spark plug boots from being burned and your headers from being dented if you don't have enough room between your plug boots and your exhaust manifold or headers. Designed for trouble-free installation and removal in cramped spaces, these high-performance plugs are much easier than OE plugs to get a socket on but still deliver a larger, hotter, fuller flash front and significantly more power at high rpm. You'll have instant throttle response and better fuel economy with less fouling, flame dissipation, and misfire. These copper-core plugs provide increased thermal conductivity, come with machine-rolled 14mm threads to protect your heads, use a standard 5/8 socket, and come in a pack of four.

Features

  • Ideal for use in cramped spaces
  • Deliver significantly more power at high rpm
  • Instant throttle response and better fuel economy
  • Less fouling flame dissipation and misfire
  • Pack of four
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Brand: ACCEL   |   Manufacturer: ACCEL

Item Dimensions: 4.9 x 3.6 x 1.1 inches (12.4 x 9.1 x 2.8 cm)   |   Package Dimensions: 1.3 x 3.7 x 4 inches (3.3 x 9.4 x 10.2 cm)

First Available: 2012-03-22

Amazon Price: $23.43 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $23.43

Warranty: 90 Days

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  #21

NGK (3653) IMR8C-9H Laser Iridium Spark Plug, Pack of 1

Model: IMR8C-9H   |    Mpn: IMR8C-9H   |    Ean: 0087295136539   |    PartNumber: IMR8C-9H   |   Asin: B001RLU0EC

Laser Iridium spark plugs provide superior ignitability and long service life. Smallest tip diameter available iridium/platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. Laser welded iridium center electrode tip ensures high durability and greater spark. Platinum disc welded to backside of ground electrode provides long life. Longer insulator nose prevents fouling, Corrugated ribs on insulator prevents flashover, and the triple gasket seal eliminates combustion gas leakage. Faster starts and quicker acceleration. Better fuel economy and lower emissions, trivalent metal plating for superior anti-corrosion and anti-seizing.

Features

  • Laser welded Iridium center electrode tip ensures high durability and greater spark
  • Platinum disc welded to backside of ground electrode provides long life
  • Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage
  • Faster starts and quicker acceleration
  • Better fuel economy and lower emissions, trivalent metal plating for superior anti-corrosion and anti-seizing
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Brand: NGK   |   Manufacturer: NGK

Item Dimensions: 1.34 x 0.39 x 0.31 inches (3.4 x 1.0 x 0.8 cm)   |   Package Dimensions: 0.8 x 1 x 3.4 inches (2.0 x 2.5 x 8.6 cm)

Amazon Price: $10.99 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $13.79

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  #22

Denso (3128) PK20R11 Double Platinum Spark Plug, Pack of 1

Model: PK20R11   |    Mpn: 3128   |    Ean: 0042511031289   |    PartNumber: 3128   |   Asin: B0012Q9Z3O

Denso Double Platinum Spark Plug Double platinum plugs offer long life and are typically called for on a DIS ignition system or where the plugs are particularly difficult to change. A fine platinum tip on both the center and ground electrodes allows for virtually no gap erosion, so that you will have optimum performance, longer. Double platinum was originally designed for the abuse of a Distributorless Ignition Systems(DIS), however any car can benefit from there long life high performance features. Copper core for better thermal conductivity. Machine rolled threads to reduce cross-threading and seizing . The plug insulator is constructed of purified alumina powder for extreme stress with 5 ribs to prevent flashover. Technical Specifications - 14mm Thread, 19mm (3/4") Reach, 5/8" (16mm) Hex Size, Gasket Seat, Resistor, Solid Terminal, Platinum-tipped Ground Electrode and Platinum-tipped Center Electrode, .044" (1.1mm) Gap

Features

  • PK20R11
  • Increases engine performance and throttle response
  • Efficient fuel consumption
  • Improved cold-starting
  • Stable combustion during idling
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Brand: Denso   |   Manufacturer: DENSO

Package Dimensions: 0.8 x 1 x 3.3 inches (2.0 x 2.5 x 8.4 cm)

Amazon Price: $5.15 | as of 08/17/2019(10:31am pst)
Availibility: Usually ships in 24 hours
List Price: $11.71

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  #23

Denso 3439 Spark Plug

Model: 3439   |    Mpn: 3439   |    Ean: 0042511034396   |    PartNumber: 3439   |   Asin: B002FOF1US

Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. Because of the strength and hardness of iridium, there is virtually no electrode wear. This combined with a platinum tipped ground electrode, creates a spark plug that is almost impervious to wear even under extreme driving or racing conditions. Dual needle design offers better fuel economy, idle stability, lower emissions and improved performance.

Features

  • Denso # 3439
  • Extra Long Life Iridium Plug
  • 0.5 mm Fine Wire Iridium Center Electrode
  • 0.7 mm Platinum Needle Tipped Ground Electrode
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Brand: Denso   |   Manufacturer: Denso

Item Dimensions: 1.18 x 3.94 x 4.33 inches (3.0 x 10.0 x 11.0 cm)   |   Package Dimensions: 1 x 1 x 3.5 inches (2.5 x 2.5 x 8.9 cm)

First Available: 2012-09-10

Amazon Price: $10.69 | as of 08/17/2019(10:31am pst)
Availibility:
List Price: $10.69

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