14 best high performance spark plugs

High-performance spark plugs play a crucial role in the ignition system of an automotive engine. They are designed to enhance the combustion process and overall engine performance. Here are some key points about high-performance spark plugs and related ignition parts:

  1. Material Composition: High-performance spark plugs are often made from premium materials such as iridium or platinum. These materials offer better conductivity and durability compared to traditional copper spark plugs.

  2. Heat Range: Spark plugs come in different heat ranges, which affect their ability to dissipate heat from the combustion chamber. High-performance spark plugs are designed to handle higher temperatures, making them suitable for high-performance engines that generate more heat during combustion.

  3. Electrode Design: The electrode design of high-performance spark plugs is optimized for efficient ignition and combustion. This design minimizes spark quenching and ensures a consistent spark throughout the engine's operating range.

  4. Resistor or Non-Resistor: Some high-performance spark plugs come with a built-in resistor. The resistor helps reduce electromagnetic interference and radio frequency interference (EMI/RFI), which can affect electronic components in modern vehicles.

  5. Gapping: The gap between the center and ground electrode of a spark plug is critical for proper ignition. High-performance spark plugs may have specific gap recommendations tailored to the engine's performance requirements.

  6. Compatibility with Ignition Systems: It's essential to ensure that high-performance spark plugs are compatible with your vehicle's ignition system. Some vehicles require specific spark plug designs to work optimally.

  7. Spark Plug Wires: Spark plug wires (also known as ignition wires) play a vital role in conducting the electrical current from the ignition coil to the spark plugs. High-quality spark plug wires can improve the overall efficiency of the ignition system.

  8. Ignition Coils: Upgrading the ignition coils can also complement the use of high-performance spark plugs. High-output ignition coils can provide a stronger spark, improving combustion and power.

  9. Replacement Schedule: Even high-performance spark plugs have a finite lifespan. It's essential to follow the manufacturer's recommendations for replacement intervals to ensure consistent performance.

  10. Tuning: When upgrading to high-performance spark plugs or ignition components, it may be necessary to retune the engine's fuel and ignition settings to optimize performance and prevent engine damage.

  11. Brand and Model Variations: Various manufacturers offer high-performance spark plugs and ignition components. The choice of brand and model can depend on the specific needs of your vehicle and engine.

In summary, high-performance spark plugs, along with compatible spark plug wires, ignition coils, and other related components, can significantly enhance an engine's performance by improving ignition efficiency and combustion.However, it's essential to select the right components for your specific vehicle and follow proper maintenance and replacement schedules to ensure optimal performance.

Below you can find our editor's choice of the best high performance spark plugs on the market
  

ACCEL 8198 Performance U-Groove Header Spark Plug - Pack of 8

ACCEL

Based on 47 reviews Check latest price

Product description

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 eight.

  • 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 eight

User questions & answers

Question: Does this plug fit a 350 chevy engine
Answer: We had it on the patio all summer, and put it inside for the winter. We live in the PNW, so lots of rain. I didn't observe any rust when we put it away this Fall.
Question: Will stock wires fit on these sparkplugs
Answer: It can be adjusted, you have 3 settings I believe ranging from 1' - 3', in 1' increments. The grill and the rotisserie are good, however I had a huge issue with the quality of the actual hardware to attach the pig. Broke on the first use BEFORE I even started cooking!
Question: Will these plugs work well on a 283 sbc
Answer: 60x36x10
Question: Will these fit lt1 impala ss
Answer: I just purchased this one for the 22" wsm. Does not fit good at all. Big gap between the smoker and rotisserie. Wsm lid does not fit correctly on top of the rotisserie. WSM lid is different from the weber grill lid. Air leaks causing temperature to be too high for my liking. Even with all vents closed

8Pcs 10.5mm High Performance Spark Plug Ignition Wire Set For 00-08 Silverado 1500 2500HD V8

Based on 5 reviews Check latest price

Product description

10.2mm Spiral Wound Design

UltraLow Resistance KEVLAR Core

Extremely High EMI Suppression

High Voltage & High Temp.Resistance Silicone Boots and Sleeve

Compatible Vehicles

2000-2008 Silverado 1500 2500HD V8

  • Fit for 2000-2008 Silverado 1500 2500HD V8
  • 10.2mm Spiral Wound Design
  • UltraLow Resistance KEVLAR Core
  • Extremely High EMI Suppression
  • High Voltage & High Temp.Resistance Silicone Boots and Sleeve

JDMSPEED High Performance Spark Plug Ignition Wire For 2000-2009 CHEVY GMC V8

Based on 890 reviews Check latest price

Product description

Manufacturer: JDMSPEED

100% New Construction

10.2mm Spiral Wound Design

UltraLow Resistance KEVLAR Core

RFI Suppression

Ultra High Strength/High Temp. Silicone Boots and Sleeve

Ready for Install Straight out of the box

  • 100% New Construction
  • 10.2mm Spiral Wound Design
  • One Year Warranty
  • UltraLow Resistance KEVLAR Core
  • Ultra High Strength/High Temp. Silicone Boots and Sleeve

User questions & answers

Question: Will these fit a 2000 3500 series with a 5.7L
Answer: Yes, These wires are manufactured and assembled by Moroso wire Tech
Question: Will these fit a 2002 Chevy Avalanche
Answer: Yes, they fit tight but they do work , so far they are good wires
Question: gmc yukon xl 5.3 will it fit
Answer: They are 8 mm and they fix perfect
Question: Would these fit on a 2006 jeep grand cherokee 3.7l
Answer: This wire is for the Square Coil #12558693. note: These wires are 10.5" long.

Vplus 8PCS Iridium Spark Plug, Replaces# 4469, BY481LFR5A, LFR5AIX11, MZ602090

Based on 31 reviews Check latest price

Product description

Iridium center electrode delivers maximum life

Fine-wire center electrode for greater excitability

V-trimmed ground electrode promotes sharper spark focus



Part Number:CT19

Replaces OE Part Number:LFR5AIX-11

Gap Size(mm):1.1

Thread Size(mm):M14*1.25

Reach(mm):26.5

Center Electrode Tip Material:Iridium

Center Electrode Core Material:Copper Core

Ground Electrode Core Material:Nickel Core

Seat Type:Flat

Resistance:5000 ohms

Life Expectancy

(kilometre):40K-50K

  • Reference number: 4469, BY481LFR5A, LFR5AIX11, MZ602090 spark plugs.
  • Iridium spark plugs/One order = 8 Pieces
  • Replacement racing spark plug used by many professional car drivers
  • Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions
  • Please input your make, model and trim level into the Amazon Garage and check the part number before purchasing to ensure fitment.

User questions & answers

Question: I have a 2012 dodge ram 1500 engine 4.7 would this spark plugs fit my truck
Answer: Won’t fit

NGK (7397-4PK) TR5IX Iridium IX Spark Plug, (Box of 4)

NGK

Based on 458 reviews Check latest price

Product description

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling. The 0.6mm laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical Quenching Effect. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines. Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties.

  • Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling
  • The 0.6mm laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical Quenching Effect
  • Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage
  • Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines
  • Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties

User questions & answers

Question: what spark plug i use in my bike ducati diavel carbon 2013 and my ducati multiestrada 2014? thanks
Answer: Yes, they come factory preset!!!
Question: Will these fit 2011 camry le
Answer: Yes they are for All models 2007-2017 Nissan
Question: what is the NGK part #, are these TR5IX
Answer: Yes they are.
Question: Will these fit my 95 ford thunderbird 4.6l sohc v
Answer: Yes

Product features

Performance

All Quicksilver products are produced to match Mercury Marine's stringent original equipment manufacturer performance specifications.

Protection

We know what is best for your engine. We design products to fit all types of marine engines, no matter the brand.

Peace Of Mind

We validate product; quality and integrity are paramount. Buying Quicksilver is buying performance, protection, and peace of mind.

The Quicksilver Promise

Quicksilver products are designed and validated by a company that builds marine engines. We know what is best for your engine. We design products to fit all types of marine engines, no matter the brand. We validate product; quality and integrity are paramount. Quicksilver is performance, protection, and peace of mind.

ACCEL 8199 U-Groove Spark Plug - 8 Pack of #0576S

ACCEL

Based on 276 reviews Check latest price

Product description

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 eight.

  • 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 eight

User questions & answers

Question: What's the difference between this plug and the other plug Accel offers that is a
Answer: My understanding is that the other set burns hotter 🤷‍♂️ These work well in my c-10 350
Question: Hi im trying to make sure these are the spark plugs I need I have a old box that says 0576S-4 but these look shorter
Answer: 0576 is the heat range S stands for short plug and 4 means there are 4 plugs in box An 0576 standard plug will be longer the shorty plugs are used with headers for more plug boot clearance
Question: Will this work on a gmc sierra with a 6.2 with headers
Answer: Check the size of the cylinder head holes first, then match them with these Accel plugs.
Question: The spark plugs is for chevy 350 to
Answer: Accel 8199 will fit 350 engines manufactured between 1971 and 1995. They will not fit the LT1 5.7 liter engines used from 1993 -1997 in Corvettes, Camaros, Firebirds and caprices.

6 New NGK Iridium IX Spark Plugs LFR5AIX-11 # 4469

NGK

Based on 995 reviews Check latest price

Product description

LFR5AIX-11 Iridium IX Spark Plug

  • FREE SHIPPING to anywhere IN USA and territories For This Item
  • Iridium
  • 1order = 6 Pieces

User questions & answers

Question: Para un nissan altima 2004 esta bien
Answer: No, only 120v.
Question: are these pre gapped
Answer: Yes
Question: does this item fits nissan teana 2003 and nissan xtrail
Answer: 110v
Question: Has anyone upgrade from platinum to iridium for a Yamaha F225 4 stroke outboard engine? If you have, I'd like to hear comments regarding the change
Answer: Cross section is 3/4 inch square

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

Denso

Based on 448 reviews Check latest price

Product description

Denso Iridium Power spark plugs are the world's finest 0.4mm iridium center electrode. Its high performance is only possible from the 0.4mm center electrode. The astounding durability of DENSO's patented iridium alloy was a sensation in the aftermarket field. Drivers can now experience the sensation of acceleration previously unavailable until the birth of IRIDIUM POWER. Use IRIDIUM POWER and give yourself a ride that you've never experienced before.

The benefits of DENSO Iridium Power Spark Plugs are :

Improve Horse power

Improve Fuel Mileage

Improve Acceleration

  • Improve Horse power
  • Improve Fuel Mileage
  • Improve Acceleration
  • Its high performance is only possible from the 0.4mm center electrode.

User questions & answers

Question: toyota vitz yaris 2001 go
Answer: Thread size is 14 mm and the reach is 3/4". Will fit a lot of small engines, but always best to cross reference your particular piece of equipment.
Question: Real or counterfeit
Answer: Thank you for your inquiry. The cross reference from the B&S 691043 is the Champion QC12YC (stock number 946). The RC12YC and the QC12YC have different resistors in them and may affect the ignition system. Champion recommends installing the correct spark plug for your application.
Question: Are these plugs pre-gapped
Answer: I recommend checking your user manual to determine what spark plugs are compatible with your mower. If you no longer have the manual, go on line and plug in the make and model # for the manual and check it out that way. I'm sorry, I'm not familiar with that model, but that's what I'd do. Good Luck!
Question: fits in 1997 toyota camry le 2.2 4 cylinder with no problems
Answer: Long. It's a resistor Plug. The reach is 3/4" or 19mm. Heat range is 12. If FI, ensure plug electrode is directed at injector. Mark with Marker to help align. Hope that helps.

Spark Plug Automotive 1/Box

E3 Spark Plg

Based on 177 reviews Check latest price

Product description

Copper Core Spark Plugs deliver quick starts, improved fuel economy, and smooth acceleration. The copper-glass seal bonded insulator, terminal post, and center electrode ensure a tight seal that is 100 percent leak-proof, and the full copper core electrode improves heat transfer and optimizes plug life. Copper Core Spark Plugs feature high alumina ceramic for high dielectric strength, and a steel shell for installation robustness. The multi-rib insulator reduces the danger of "flash over" to prevent misfires, and the copper core center electrode provides higher thermal conductivity. These spark plugs are engineered with a high nickel alloy center and ground electrode for extended life. Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Since its inception, the Autolite brand has provided the automotive aftermarket and Original Equipment manufacturers the highest quality ignition products. Designed and engineered in the USA.

  • Replacement racing spark plug used by many professional car drivers
  • Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions
  • Contains an Yttrium-enhanced alloy to enable up to 8% reduction in side wire temperature for improved durability and less pre-ignition

User questions & answers

Question: will this plug work in a 01 sienna 3.0 ? thank you
Answer: Really,,,would help if someone knew how big your burners are don't you think....come on people
Question: Will they fit my 1996 rav
Answer: yes it will
Question: Will this fit Honda Civic
Answer: Hello, For a 27" grill we generally recommend a 37" variety of rotisserie spit rod system as this is the closest fit without being too short (37" works with grills up to 31" in width). This allows for adequate clearance of brackets, motor insertion, and counterbalance mounting. For a 27" grill a 37" spit rod will still provide some "extra" spit rod to extrude on the off-motor side of the grill by several inches from the side wall/upright of the grill. Most people prefer this as it allows the counterbalance to sit out from the grill lid a bit and makes for a bit easier removal of the spit rod when hot (i.e. another location to grasp the spit rod outside the grill that is not quite as hot, obviously a glove/mitt would still be recommended). You can certainly go even longer if you wish, but I don't believe it will add any benefit for you and even at the next size up (45") you would be adding considerable length to the spit rod with no benefit and it may appear a bit odd on the grill with so much extra spit extruding; ultimately operationally it can be done however so I can't tell you it won't work, it just wouldn't be ideal for most people. I hope this helps and please be sure to see the documents as provided in the "Technical Specifications" section of the product page as these can aid in a better overall understanding of mounting and what I am referring to here about motor insertion and bracket clearance.
Question: On the ad it shows a pack of 4 so I order 2 pack I need 6 plugs I got 2 plugs what up with that
Answer: .315 just under 3/8

Product features

E3 Spark Plugs

The DiamondFIRE ground electrode configuration increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines.

Smoother Acceleration and Idle – The faster flame propagation initiated by the Patented DiamondFIRE ground electrode results in a more complete burn of the fuel/air mixture.

Energy – More pressure is created against the cylinder and more of the available fuel is put to work. Power is improved 3%-6% on average in typical operating ranges. Results may vary.

Efficiency – Another benefit of E3’s faster flame propagation is less fuel is wasted, resulting in improved fuel efficiency. Lab and Dyno testing typically results in 3%-4% improved Brake Specific Fuel Consumption (BSFC). Results may vary.

Ecology – E3’s more complete burn drastically reduces carbon emissions and carbon build up.

Why Do You Need E3 Spark Plugs?

As the designated catalyst for the ignition of fuel in gasoline powered cars, trucks, motorcycles and small engines, spark plugs are a small, but constant factor in the workings of the vast majority of motorists on the road. What these motorists may not know is that their choice of spark plug could play a significant role in reducing the level of greenhouse gases that their vehicles give off, as well as increasing overall fuel economy and potential power output. This is where E3 Spark Plug's DiamondFire technology comes in.

Automotive Spark Plugs

E3 automotive spark plugs utilize the latest E3 technologies to help engines operate more efficiently by burning fuel more completely. Get more power, better fuel efficiency and a faster/smoother acceleration. E3 Automotive plugs come with a 5 Year/ 100,000 Mile Warranty.

Small Engine Spark Plugs

E3 small engine spark plugs have the same patented Edge-to-Edge DiamondFIRE ground electrode that has been proven to burn fuel more efficiently. Bring your L&G equipment to life, with quicker starts, more power, better fuel efficiency, and lower emissions. E3 Lawn and Garden plugs come with a limited Lifetime Guarantee.

Power Sport Spark Plugs

For near perfect combustion, put in a set of E3 power sports spark plugs that are Born to Burn! Featuring the patented DiamondFIRE ground electrode, E3 power sport plugs provide more power, quicker starts, better fuel efficiency and lower emissions. E3 Power Sport plugs offer a defect warranty for the 90 days.

Racing Spark Plugs

E3's unique DiamondFIRE ground electrode helps to create more turbulence in the cylinder, and facilitate a faster flame growth. The result is more complete combustion, which results in more power and better consistency. E3 Racing Plugs cover a wide variety of Motorsports applications.

Vplus 8PCS Platinum Spark Plug, Replaces# 3186, TR5GP

Based on 141 reviews Check latest price

Product description

Iridium center electrode delivers maximum life

Fine-wire center electrode for greater excitability

V-trimmed ground electrode promotes sharper spark focus



Part Number:CT13

Replaces OE Part Number:TR5GP

Gap Size(mm):1

Thread Size(mm):M14*1.25

Reach(mm):17.5

Center Electrode Tip Material:Iridium

Center Electrode Core Material:Copper Core

Ground Electrode Core Material:Nickel Core

Seat Type:Flat

Resistance:5000 ohms

Life Expectancy

(kilometre):40K-50K

  • Reference number: 3186, TR5GP
  • Iridium spark plugs/One order = 8 Pieces
  • Replacement racing spark plug used by many professional car drivers
  • Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions
  • Please input your make, model and trim level into the Amazon Garage and check the part number before purchasing to ensure fitment.

User questions & answers

Question: Are these really iridium plugs? No where on box or plug does it indicate iridium
Answer: Tell you the truth I'm not sure. The gill I have is a char-broil and I had to cut the skewer down to fit. It has a about a 26 inch wide grill surface
Question: Are these plugs pregapped or need to be prior to installation
Answer: Hello, generally speaking no it will not. This is simply because the Weber Q series of grills do not have attachment points or areas intended for the spit rod to pass through the grill.
Question: I have a 2002 chevy tahoe 5.3 l the gap is supposed to be .04. do i need to readjust the gap
Answer: I havent a clue but it does say it fits most , its a great kit , order it and if it doesnt fit send it back or buy another grill .
Question: what is the correct gap on this spark plugs
Answer: Hello, I believe you may be looking for a rotisserie for a Napoleon...This system is universal in nature and designed for fitment to most grill either directly or with modification. With that being said the Napoleon LEX series of grills will require very heavy modification to allow for fitment of this unit or any universal style system to fit and function properly. Specifically the mounting holes on the Lex as you will note are much further down on the grill than this bracket set will allow for on a direct bolt in place scenario. Ultimately this means the brackets would need to be mounted higher on the side of the grill which would require cutting a portion of your grill lid off. Generally speaking this certainly can be done, but if not desired we would recommend only sourcing a unit made specific to your grill model given the very proprietary mounting seen on your specific series of Napoleon.

Edelbrock 22716 Ultra Spark 50 Plug Wire Set w/Metal Sleeves 50 ohms Of Resistance Per Foot High Performance Ultra Spark 50 Plug Wire Set

Edelbrock

Based on 961 reviews Check latest price

Product description

Max-Fire(R) Ultra-Spark(R) performance spark plug wires are manufactured from highest quality materials to help deliver maximum voltage - ensuring the ultimate performance. These wires have an extremely high EMI/RFI suppression along with a very low resistance to help deliver the most spark possible. They feature a heavy duty 8. 5mm diameter silicone jacket to protect the Kevlar spiral wound core from heat, moisture and chemicals. Max-Fire offers two levels of spark plug wires; Ultra-Spark 500 and Ultra-Spark 50. Ultra-Spark 500 is a great choice for replacing OEM wires and are value priced. They feature high quality leads that deliver 500 ohms of EMI/RFI noise suppression with low resistance. They are ideal for daily drivers and for budget builds, offering the best combination of value and performance. Ultra-Spark 50 spark plug wires are engineered for high performance engines that need all of the voltage they can get for maximum power output. They are made with wire leads that deliver a low 50 ohms of resistance per-foot for maximum EMI/RFI noise suppression. This makes them ideal for engines with aftermarket high performance upgrades that require maximum voltage.

  • Made from highest quality materials to help deliver maximum voltage - ensuring the ultimate performance.
  • Extremely high EMI/RFI suppression along with a very low resistance to help deliver the most spark possible.
  • Heavy duty 8.5mm diameter silicone jacket to protect the Kevlar spiral wound core from heat, moisture and chemicals.
  • Made with wire leads that deliver a low 40 ohms of resistance per-foot for maximum EMI/RFI noise suppression.
  • Engineered for high performance engines that need all of the voltage they can get for maximum power output.

User questions & answers

Question: Does this fit a 2003 corvette z
Answer: The Length is the same as Stock or OEM
Question: Will it fit 2011 camaro SS
Answer: Stihl Owners Manual for both the FS90 and 91 list the same spark plug (Bosch USR 7AC) this AISEN one should fit (small base).
Question: Fits chevy tahoe 2003 5.3 lt 4x4 ls gen 3 with 8th z digit
Answer: Go to baileysonline.com and look it up. That's what I would do.
Question: Are they better than taylor cable 98006? are thundervolt most powerful than its or not? explain me if i were a kid
Answer: I have had that happen to me especially if prime but the product is coming through a supplier and not directly from Amazon. I would first track the item, if tracking shows the product on the way, contact the seller after so many days.

Product features

Edelbrock 22716 Max-Fire Ultra 50 GM LS Truck Spark Plug Wire Set

The Edelbrock Max-Fire Ultra-Spark 50 performance spark plug wires are manufactured from highest quality materials to help deliver maximum voltage – ensuring the ultimate performance. These wires have an extremely high EMI/RFI suppression along with a very low resistance to help deliver the most spark possible. They feature a heavy duty 8.5mm diameter silicone jacket to protect the Kevlar spiral wound core from heat, moisture and chemicals. They are engineered for high performance engines that need all of the voltage they can get for maximum power output. Made with wire leads that deliver a low 40 ohms of resistance per-foot for maximum EMI/RFI noise suppression. This makes them ideal for engines with aftermarket high performance upgrades that require maximum voltage.

10.5 MM High Performance Spark Plug Wire Set for HEI SBC BBC 350 383 454 Electronic (9Pcs)

Anxingo

Based on 233 reviews Check latest price
  • 10.5mm High Performance Racing Spark Plug Wires
  • Universal Set For SBC & BBC Chevrolet Engines
  • Electronic Ignition HEI Plug Wires, 90 Degree Boots on Both Ends
  • Get more Spark to your Plugs with a set of High Performance Ignition Wires
  • These 10.5mm wires feature high-temperature 100% pure silicone insulator outer layer!

User questions & answers

Question: How much is extremely low resistance exactly
Answer: Yes I have used them for years on my 350 Chevy supercharged engine with great success. Stock plug wires from MOROSO is my choice now but I have also used the long straight boot from Accel with no issues. Good luck it’s a great plug in my humble opinion.
Question: This fit my honda shadow 600 vlx
Answer: The idea behind this style spark plug was to shorten the tip so that the headers would not contact the spark plug wires. This style plug solved my problem by recessing the wires, problem solved 100%. If you are having this type of situation, then you won't be making a bad purchase. Hope this helps.
Question: What is the wire resistance per foot
Answer: Yes, this plug was designed to remedy the problem of the header pipe burning the plug wires. Solved the problem on my big block. I am sure it will work on your application.
Question: Will it work for a 76 Ford F
Answer: Rod is a little bit small, you might want to get a longer rod

Product features

Universal for HEI SBC BBC 350 383

  • Part Number: SP10-390-1010
  • Feature: 10.5mm High Performance Racing Spark Plug Wires, 90 Degree Boots on Both Ends.
  • Fitment: Universal Set For SBC & BBC Chevrolet Engines

High Quality

  • Spiral-Wound Copper Conductor has Extremely Low Resistance combined with extremely high EMI suppression.
  • These Performance wires deliver the highest possible energy to the spark plugs so that your ignition upgrades reach their full potential, without creating interference for onboard electronics.

High Performance Ignition Wires

  • The wires have a high dielectric strength insulator and heavy glass braid,
  • Topped with heavy-duty silicone jackets and high-temperature black boots to resist damage from heat and abrasion

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

Autolite

Based on 354 reviews Check latest price

Product description

Actual racing spark plug used by many professional car drivers. Provides cut back ground electrode, anti-corrosive nickel plating and large ground electrode for better heat transfer.

  • Package Dimensions: 10.795 H x 2.997 L x 8.991 W (centimetres)
  • Package Weight: 0.181 kilograms
  • Country of Origin : Mexico
  • Features cut back ground electrode for improved ignitability of flame kernel
  • Fit type: Vehicle Specific

User questions & answers

Question: Does it increase horse power
Answer: NEVER gap iridium or platinum plugs with a normal gap tool. never apply pressure to the central electrode. They should be pre-gapped to .044 in (1.1mm).
Question: How much longer are these compared to NGK race plugs extened tip
Answer: In some regions of the world, the Nissan Teana is also referred to as the Nissan Maxima and in relation to your question my mechanic has advised that YES, these plugs would also fit both the Teana and xtrail. They are also referred to as long-range plugs.
Question: This spark plug makes my Predator - 212cc engine run very hot compared to a standard spark plug, is it normal to gain 30+ temps using this plug
Answer: I ‘ve been running the iridium plugs in my 2008 Yamaha F225-TXR for three years as I use my bout around 400-500 hours a year, and did not want to have to change plugs every 100hr. I have ran them as many as 250 hr between spark plug changes. If you buy on line you have to make sure they are genuine NGK Spark Plug, cause I bought 1-set of Plug where the boxes looked just like the Official NGK Plug box but they were not! When I changed them out the electrodes were gone. I noticed a big difference when I switched to Iridium plugs the motor runs so smooth that at idle you can’t hear the motor running. You can call NGK and they will cross reference the factory plug to there Iridium plug for your application.
Question: What size plug wrench does this plug take
Answer: I installed these on my 85 corvette 350.

10.5mm Spark Plug Wire Set,9pcs High Performance Spark Plug Cables Compatible with SBC BBC HEI 350 383 454 Electronic

SAILEAD

Based on 348 reviews Check latest price

Product description

Description:

High performance racing spark plug wires

Universal set for SBC & BBC Chevrolet engines

Electronic ignition HEI plug wires, 90 degree boots on one end

Get more spark to your plugs with a set of high performance ignition wires

These 10.5mm wires feature high-temperature 100% pure silicone insulator outer layer!

Spiral-wound copper conductor has extremely low resistance combined with extremely high EMI suppression

These performance wires deliver the highest possible energy to the spark plugs so that your ignition upgrades reach their full potential, without creating interference for on board electronics.

The wires have a high dielectric strength insulator and heavy glass braid, topped with heavy-duty silicone jackets and high-temperature black boots to resist damage from heat and abrasion.

Specification:

67 cm/26.4 in (1pc)

70 cm/27.6 in (2pcs)

74 cm/29.1 in (1pc)

75 cm/29.5 in (1pc)

80 cm/31.5 in (1pc)

81 cm/31.9 in (1pc)

87 cm/34.3 in (1pc)

88 cm/34.6 in (1pc)

  • 10.5 high performance racing spark plug wires
  • Universal set for SBC & BBC chevrolet engines
  • Electronic ignition HEI plug wires, 90 degree boots on one end.
  • Get more spark to your plugs with a set of high performance ignition wires
  • These 10.5mm wires feature high-temperature 100% pure silicone insulator outer layer

User questions & answers

Question: Would this product fit a 2010 gmc yukon denali
Answer: e3 64 should work!
Question: Would this fit 07 jk Jeep wrangler
Answer: Honestly I would not use them on anything anymore. Nothing but problems for me.
Question: If this wire fit in the Volkswagen cabriolet
Answer: The same thing happened to me. A 4/ box is supposed to be 4 plugs.
Question: Would this fit my toyota camry 2016 se
Answer: Lo correcto es revisar las especificaciones contenidas en el manual de usuario del vehículo y determinar el código de la bujia correcta. Por la marca, NGK es excelente!!!

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