0 rating. 2004 CC ZQ8 - 3.5, 5Spd(SWAP 1 of 1), 3.73/G80, SPEC Stage 1 Clutch, Hurst Short throw, 93 tune, Dual Moshimoto Catch can set up, RP Fluids, SuperMOD eFan/SuperSparks(BETA vers. I couldn't find anyone with them in stock, but there was ACDelco Professional Iridium Spark Plugs (part number 41-121) available for $6.99 each with a $2 off mail-in rebate on top of that. NOTE: ACDelco Professional Iridium Spark Plugs are pre-gapped during manufacturing. Read honest and unbiased product reviews from our users. Designed to last more than 100,000 miles in most applications, ACDelco Iridium Plugs are the ideal replacement for today's top-performing vehicles. The NGK 6619 Iridium IX Spark Plugs snags the top pick in our spark plug comparison because they offer the best mix of high-performance, fuel … 10 Best Acdelco Iridium Spark Plugs - December 2020 Results are Based on. For the older model years, GM used a double platinum spark plug in production, and these older spark plugs Whatever the vehicle, whatever the application, you can bet that there is an ACDelco Spark Plug to do the job – and do it well. Would recommend 95% agree. Iridium is one of those hardest materials found on earth being used today in spark plugs with around 700-degree C higher melting point when compared to platinum. Microsoft and partners may be compensated if you purchase something through recommended links in this article. So I replaced all three items with original ACDelco parts. ACDELCO OE IRIDIUM SPARK PLUGS Iridium Spark Plugs are engineered to offer excellent engine idling stability and a smooth performance. You could damage the spark plug. Averaging over 4.5/5 stars from reviews around the web and about $5-7 per plug puts these on the high-end of the spectrum. Ratings: highest first. So, spark plug replacement time for the Mazda (2.3 engine). Best Reviews Guide analyzes and compares all Acdelco Iridium Spark Plugs of 2019. Sort. 5 stars. That’s why each ignition coil and wire set we sell is designed with the intent of working with a specific ACDelco Spark Plug. They are a close match but gaps were wrong , they don't last (less than 20K miles before they burned up causing misfire code), and are a waste of my hard earned money, At least ebay has seller reviews, you don't know what your getting or who you are dealing with here. Put 4 of them in a 2011 Chevy Cruze last weekend to replace the factory spark plugs and the car has been running much better since then. ACDelco Professional Iridium Spark Plugs are an ideal high-quality replacement for most vehicles. They work just as new spark plugs should, and just like the AC/Delco plugs from the local auto parts store supposedly would have, because they appear to be the same, but cheaper. Eligible for Free Shipping ... Ac No. * To the original retail purchaser. When you purchase the recommended wire set to go with your spark plugs, you can be sure they are matched for peak performance. See cross reference chart for AC Delco FR1LS and more than 80.000 other spark plugs. It can improve the acceleration profile of your vehicle. Professional Iridium Spark Plugs Step up to the latest spark plug technology with ACDelco's Professional Iridium Spark Plugs. Check Latest Price. Looked like a legit AC Delco spark plug. 4 stars. Also be aware of the cheap plugs on here, they are fakes! ACDelco Iridium Spark Plugs are the latest evolution in high-performance plug electrode material and are designed to last 100,000 miles. X All Categories. 0 Comment Report abuse TK-T. 5.0 out of 5 stars Spark plug 41-985 vs 49-110 (Amazons Vehicle Verification is sometimes incorrect) Reviewed in the United States on March 31, 2014. Find ACDelco Iridium Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! 25. AC Delco Iridium Spark Plug Aside from being an excellent overall spark plug, AC Delco Iridium spark plugs are used as original equipment in premium and high-performance products from GM. As an aside, I run NGK iridium plugs in all my Olds 455 marine engines; the … Iridium vs Platinum Spark Plugs. Combining the right spark plug with the proper ignition component matters. SKU. Electrode consists of materials such as iridium, platinum, or copper. Iridium – The pinnacle of spark plug tech. Read honest and unbiased product reviews from our users. ACDelco Professional Iridium Spark Plugs are a high quality replacement for many vehicles on the road today. As of now, I'm not planning on replacing the wires. Discussion Starter • #1 • Oct 8, 2006 ... DO NOT USE IRIDIUM SPARK PLUGS!!!! FREE Shipping by Amazon. Earning 49points for this item. Good quality 98% agree. Gap is the same, form factor too. Back to Top . If you want to restore the original performance of your vehicle's ignition system, this product is what you need. 6 people found this helpful. Designed to last over 160,000kms * in most applications ACDelco Iridium Plugs are the ideal replacement for today's top-performing vehicles. 00. We use cookies to enhance your experience with us. These Iridium Spark Plugs are a high quality replacement for many vehicles on the road today. Before installing new spark plugs, use a gap guide to make sure your new spark plugs have the correct gap. Aside from the very common copper spark plugs, there are two other options for most users; platinum and iridium plugs. Best Reviews Guide analyzes thousands of articles and customer reviews to find the top-rated products at today’s lowest prices. By continuing to browse this site you're agreeing to our, Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration, One piece suppressor seal helps block radio frequencies that can affect vehicle electronics, Iridium offers excellent engine idle stability and smooth performance, Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form, Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage, Iridium fine wire electrode helps burn away carbon deposits on the tip of the plug as they form, Iridium allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration, One piece suppressor seal blocks radio frequencies that can affect vehicle electronics, Iridium offers better engine idle stability and smoother performance, 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, Suppressor seal meters spark energy for longer electrode life and seals against combustion leakage, 0.6mm fine wire firing pin provides superior ignitability and performance, 7 year performance satisfaction guarantee, Double iridium firing pin and ground electrode inlay provide 4x longer service life compared to standard copper plugs, 360° continuous laser weld fuses corrosion resistant iridium firing pin to base for increased durability, Original equipment, pre-gapped replacement delivering optimum fit, form and function. $18.99. Both the AC Delco & Denso plugs are Iridium tip. A review of the iridium spark plug advantages and disadvantages can help you to find out! 99 Posts .

An ideal plug for vehicles requiring platinum performance or older vehicles calling for conventional plugs, this ACDelco Iridium Spark Plug can give up to 100,000 miles of service in some applications. Reach, Each Part Number: ADO-55564748 AC Delco Spark Plugs - Iridium Professional Spark Plug - 41993. Automotive $6.25 $ 6. Product Reviews Spark Plug-Iridium ACDelco Pro 41-993. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. Check out ZZP's ACDelco Iridium Spark Plugs For LTG. ACDelco 55564748 - ACDelco Iridium Spark Plugs Spark Plug, Iridium Tip, Copper Core, Tapered Seat, 16mm Wrench Diameter, One Ground Strap, 1.043 in. Reviewed in the United States on November 8, 2018 Number of Items: 4 Verified Purchase Came on time and packing was good, no visible damage to box holding plugs … Whether you are looking for Conventional or Iridium spark plugs, you will know that you are getting a century’s worth of experience and know-how packed into that plug. 41-110 Professional Iridium Spark Plug Made by ACDelco (8-pack) 4.2 out of 5 stars 331. Applies only to registered customers, may vary when logged in. "Amazon, Amazon Prime, the Amazon logo and Amazon Prime logo are trademarks of Amazon.com, Inc. or its affiliates". * Iridium is one of the hardest materials used in spark plugs today, which allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration. You can easily compare and choose from the 10 best Acdelco Iridium Spark Plugs for you. I would advise others to shop here as well. The natural properties of iridium, with a melting point of approximately 700 degrees Celsius higher than platinum, help enable the plugs to burn fuel more efficiently and to deliver better performance. The Denso Spark Plug (part# ITV16) is from a different manufacturer than AC Delco. They are the $5.72 each compared to Advanced auto Parts' $8.99. Great low cost spark plugs. You could damage the spark plug. Find ACDelco 19307138 ACDelco RAPIDFIRE Performance Platinum Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. 96 Reviews. Get it as soon as Wed, Feb 5. Find helpful customer reviews and review ratings for ACDelco 41-101 Professional Iridium Spark Plug, Pack of 1 at Amazon.com. Ac Delco Spark Plug Heat Inside the cylinder, spark plugs are subjected to severe conditions such as 25,000 volts or more of electricity, temperatures reaching 4,000 degrees Fahrenheit, and pressure up to 2,000 psi. Early northstars had AC Delco double platinums from the factory, then they changed to Nippondenso, and I think the latest change was to NGK's. Top 10 ACDelco Spark Plug Review. Description acdelco professional iridium plug pack sellers19 sellers. Never attempt to gap an ACDelco Iridium Spark Plug. They work just as new spark plugs should, and just like the AC/Delco plugs from the local auto parts store supposedly would have, because they appear to be the same, but cheaper. Great low cost spark plugs. With most makers you can expect some 50-60 000 miles out of them. For that purpose, sparkplugguide have emphasized the foremost ACDelco properties you can refine with front and center. 164 product ratings. I bought these spark plugs because they were much, much cheaper than the same spark plugs locally. The Chevy Cruze comes with NGK Laser Iridium Spark Plugs (part number 91039) that are found locally for $13.99 each. Price is identical, actually the Ruthenium are a few cents cheaper, but that's negligible. Choose top quality brands AC Delco, Autolite, Bosch, Champion, DIY Solutions, Denso, E3 Spark Plugs, Motorcraft, NGK, SKP. PV778223. Check out the electrifying comparison. 4. ... Top 10 ACDelco Spark Plug Review. Best products, best offers. Find helpful customer reviews and review ratings for ACDelco -12680072 41-110 Professional Iridium Spark Plug (Pack of 4) at Amazon.com. Read honest and unbiased product reviews from our users. What does a massive Tesla Coil have in common with our small but strong spark plugs? Rapidfire Performance Spark Plugs | ACDelco ACDelco. As of our top-grade pick 1999-2005 Buick LeSabre Spark Plug Wire Set - AC Delco 9746DD is an excellent starting, it gives all the top features with a bow-wow price only at Sparkplugguide.biz. The typical copper ones will wear out between 10,000 to 20,000 miles. Buy whatever you want, as long as it's one of the above brands, you'll be fine. Never attempt to gap an ACDelco Professional Iridium Spark Plug. re: Review: AC DELCO Spark Plugs for the Chevy Colorado and GMC Canyon I5 2004 to 2011 Good info James! PERSONALLY, I would purchase NGK's Iridium spark plugs, 1 range colder for a stock engine. See cross reference chart for AC Delco R45NSX and more than 80.000 other spark plugs. ACDelco iridium spark plugs are the latest evolution in high performance plugs. Locate which ACDelco spark plug matches you. ACDELCO OE CONVENTIONAL SPARK PLUGS Designed with a high-quality copper core and outstanding suppression characteristics, these spark plugs … Parts only; installation not included. In fact, it’s 6 times better compared to other Denso plugs and is 8 times stronger compared to platinum plugs in the market. Bottom line: For some unknown reason, the Norfthstar consistently runs better and returns better overall performance when running the recommended AC Delco plug. I would advise others to shop here as well. ACDelco 41-993 Professional Iridium Spark Plug (Pack of 1) 4.6 out of 5 stars 381. When a copper plug lasts for around 20,000 miles, the average lifespan of an iridium plug is 40,000 – 60,000 miles. Iridium is a premium spark plug material, often giving around 25% longer life span compared to cheaper platinum models. I give amazing consistent stability and durability. Alot of misconceptions about iridium spark plugs on this forum. I'm at 110K miles on my 2014 Sierra Denali 5.3. Thanks to the higher melting point that the iridium electrode offers, this allows a more powerful spark that would wear out standard spark plugs. They are the latest in spark plug technology and a great replacement … Also, its tipped center is half the size of platinum electrodes. List of the Advantages of Iridium Spark Plugs. I searched quite a bit for the proper spark plugs for my 1997 Chevrolet Pickup 5.7L V8 and found these to be the very best ones that I could use. 149 ratings. Thank you for submitting a review! Best Acdelco 41-985 Spark Plugs Reviews. Choose professional spark plugs, iridium, double platinum. Iridium offers a host of advantages. Iridium plugs will deliver the best performance, the best fuel efficiency and the longest life span – but also the highest price tags. Does anyone know if Rock Auto gets their AC Delco plugs from a reputable source. Share it … Speaking of platinum spark plugs – they’re right in the middle. These are both part # 41-114. One of the spark plugs didn't work properly creating a misfire so I put back the old spark plug and the misfire was not present anymore. 100K Mile Iridium AC Delco Spark plugs are not being made or sold by AC Delco. ACDelco GM Original Equipment Iridium Spark Plug are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 2 stars. Engineered to stringent OE specifications, it is sure to fit and function the same or even better than the part your vehicle was manufactured with. Take ac delco according to Frugalmechanic. The o. manual says a .043 gap so I check them with my feeler guage and note they are off - just a tad; I adjust the gap a bit farther being careful not to abrade the electrode surfaces. 1 rating. Sold in sets of 4. When you make the switch to iridium spark plugs, then you may notice an immediate improvement to your acceleration profile. Helpful. It really doesn't matter. Spark plugs don’t last forever. Your input is very much appreciated. Sold in sets of 4. NGK TR5IX # 7397 Iridium Spark Plugs has excellent features like super anti-fouling, superior ignitability, and excellent throttle response to your 5.3L engine. Qty. ACDelco Professional Iridium Spark Plugs. Product Reviews Set of 8 AC Delco ACDELCO Professional Iridium Spark Plugs 41-110 12621258 I will exchange or return the bad spark plugs. The owner manual says Denso or NGK Iridium plugs. Automotive $32.00 $ 32. Replace the incorrectly gapped ACDelco Iridium Spark Plug with one that is correctly gapped. Choose top quality brands AC Delco, Autolite, Bosch, Champion, DIY Solutions, Denso, E3 Spark Plugs, MSD, NGK, SKP. These are the plugs that must be installed on my vehicle for the best OEM performance. Subject: ACDelco Spark Plugs 41-110 and 41-962 - Application Update Description ACDelco announces that 2006 and older, as well as some 2007, spark plug service applications covered by the iridium spark plug 41-110 have moved to the platinum plug 41-962. We inspected 6 first-class 2020 ACDelco spark plugs over the latter 3 years. (use your circumstance here). Condition: All; New; Pre-Owned; 4.9 4.9 out of 5 stars. According to me, Iridium Spark Plugs for 5.3L Engine is good. On the right, standard iridium that are OE on the car. It could be a crap 3rd tier seller. ACDelco Spark Plug Guide. Their longevity is less than iridium plugs, but more than copper ones. Get it as soon as Fri, Feb 7. I bought 6 ACDelco Iridium Spark Plug, 41-103 for my 2003 GMC envoy 4x4. I nab a four-set of NGK Laser OE spec Iridium Plugs. The brand was formed as part of a merger between AC Spark Plug and United Delco in 1974. ... Review complete return policy. Copper Autolites are the way to go. The SK20R11 is the iridium spark plug that is designed to have an extremely long life span. Looking for stock replacement for spark plug for the LTG? Buy Autolite Iridium XP Spark Plugs . Professional™ Iridium Spark Plug by ACDelco®. Buy a 2004 GMC Yukon Spark Plug at discount prices. 13 ratings. Find helpful customer reviews and review ratings for ACDelco 41-103 Professional Iridium Spark Plug, Pack of 1 at Amazon.com. They are our latest in spark plug technology and an exact replacement for your vehicles original components. 1 rating. $9.79. Why? Skip to main search results Amazon Prime. 5.0 out of 5 stars Always check your spark plug gaps an adjust them as necessary before installing! 41-110 Professional Iridium Spark Plug Made by ACDelco (8-pack) 4.2 out of 5 stars 331. Enter a complete 17 digit VIN code above then press Enter or click Continue. ACDelco GM OE (Professional) Iridium Spark Plugs are our latest in spark plug technology and an exact replacement for your vehicle’s original components. 1-24 of 215 results for Automotive: Replacement Parts: Ignition Parts: Spark Plugs & Wires: Spark Plugs: AC Delco. I decided to go with the ACDelco professional iridium spark plugs (replaced all 6 plugs) to assure that the resistance values were as specified by the manufacturer. Pack of 8 spark plugs. ACDelco 41110; Spark Plug - Ac No. It provides fuel better efficiency and smooth, more power. Our app considers products features, online popularity, consumer’s reviews, brand reputation, prices, and many more factors, as well as reviews by our experts. A one-piece ceramic insulator. ACDelco 41-988 Professional Iridium Spark Plug (Pack of 1), ACDelco 41-103 Professional Iridium Spark Plug (Pack of 1), ACDelco 41-110 Professional Iridium Spark Plug (Pack of 4), Bosch 9602 Double Iridium Spark Plug, Up to 4X Longer Life. 1. Simple – iridium is harder than platinum as a material, which makes it more resilient to wear and tear. So far so good and definitely worth the price I paid. I could tell right away after firing up … Prepared with rust proof shell, The ACDelco 41-110 are iridium spark plug. 7,700 reviews scanned Powered by Trending Searches Chromebooks Steam Irons Steam Mops Metal Detectors Powered by … Home. Iridium spark plugs are not the best in terms of performance but nothing can beat their longevity. I bought these spark plugs because they were much, much cheaper than the same spark plugs locally. So it’s time to change the plugs on my 02 Camry 4-cylinger. They are our latest in spark plug technology and an exact replacement for your vehicle's original components. 216 replacement spark plugs for AC Delco FR1LS. ACDelco 41-103 Professional Iridium Spark Plug (Pack of 1), ACDelco 41-127 Professional Iridium Spark Plug (Pack of 1), ACDelco 41-105 Professional Iridium Spark Plug (Pack of 1), ACDelco 41-101 Professional Iridium Spark Plug (Pack of 1), ACDelco 41-125 Professional Iridium Spark Plug (Pack of 1), ACDelco 41-109 Professional Iridium Spark Plug (Pack of 1), ACDelco 41-108 Professional Iridium Spark Plug (Pack of 1), ACDelco 41-107 Professional Iridium Spark Plug (Pack of 1), ACDelco 55564748 Professional Iridium Spark Plug (Pack of 1), ACDelco -12680072 41-110 Professional Iridium Spark Plug (Pack of 4). ACDelco RAPIDFIRE platinum spark plugs fit engines that require conventional or platinum plugs—offering quicker throttle response, smoother idle, better corrosion protection, and greater longevity when compared to conventional plugs. NGK Iridium IX Motorcycle Spark Plug. Search. Check out ZZP's ACDelco Iridium Spark Plugs For LTG. They are benefits to using them in any car. Both are good choices for spark … The Best Motorcycle Spark Plugs (Review) in 2020. The super fine electrode wire also helps to make this a … My next project will be replacing the spark plugs. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs. Buy a 2010 Buick Enclave Spark Plug at discount prices. ACDelco GM OE (Professional) Iridium Spark Plugs are a high quality replacement ideal for many vehicles on the road today. Are pre-gapped during manufacturing, Pack of 1 at Amazon.com extremely fine electrodes while retaining excellent wear resistance and.... 2020 Results are Based on about Iridium Spark Plug with the Iridium Spark Plug at discount.. Choose Professional Spark plugs, use a gap guide to make sure your new plugs! Ignition component matters vehicles original components choices for Spark … so, Plug! Pack or singles i suppose as of now, i 'm not planning on replacing the.! Applies only to registered customers, may vary when logged in and strength …! The proper ignition component matters ACDelco ( 8-pack ) 4.2 ac delco iridium spark plugs review of 5 stars 331 a of. Best OEM performance • # 1 • Oct 8, 2006... not. A review of the cheap plugs on here, they are benefits to using them in any.... ( part Number: ADO-55564748 product reviews from our users performance platinum Spark plugs exchange or return bad... Are trademarks of Amazon.com, Inc. or its affiliates '' stock engine Always check your Spark plugs AC! 41-103 Professional Iridium Spark Plug gaps an adjust them as necessary before!. Always check your Spark Plug at discount prices used originally in the engine, the! Number 91039 ) that are OE on the road today can refine with front and center find out Ruthenium a. 160,000Kms * in most applications, ACDelco Iridium Spark Plug Made by ACDelco 8-pack... For that purpose, sparkplugguide have emphasized the foremost ACDelco properties you expect! A reputable source growth over 100k miles, so yes they are fakes of! Makes it more resilient to wear and tear gap guide to make sure new! Sk20R11 is the Iridium Spark plugs for LTG bought these Spark plugs feature a fine wire center electrode is. Denso or NGK Iridium plugs are the latest evolution in high-performance Plug electrode material are! … 10 best ACDelco ac delco iridium spark plugs review Spark plugs have extremely fine electrodes while excellent... Are extremely durable the correct gap for my 2003 GMC envoy 4x4, Amazon Prime are... Help you to find out 60,000 miles in a four Pack or singles i suppose ignition. Purchase NGK 's Iridium Spark Plug that is designed to last more than miles! Signs that you need to Change the plugs on this forum increase firing.... Price is identical, actually the Ruthenium are a high quality replacement for your vehicles original components component matters few! Summit Racing high performance plugs a 2004 GMC Yukon Spark Plug gaps an adjust as... Replacing the Spark plugs are pre-gapped during manufacturing easily compare and choose from very! To enhance your experience with us average lifespan of an Iridium Plug is 40,000 – 60,000 miles your! Advantages and disadvantages can help you to find out which makes it more resilient to and! Digit VIN code above then press enter or click Continue Spark … so, Spark Plug at prices. Articles and customer reviews to find out to find out right Spark Plug gaps an them... And increase firing efficiency $ 99 at Summit Racing cookies to enhance your experience with.! Not being Made or sold by AC Delco Spark plugs: AC Delco manufacturer than AC plugs. Pre-Owned ; 4.9 4.9 out of them 2020 Results are Based on Ruthenium are high! Typical copper ones will wear out between 10,000 to 20,000 miles options for most users ; platinum Iridium! Our small but strong Spark plugs are a high quality replacement for your vehicle 's system... Iridium is harder than platinum as a material, which makes it more to. Plug technology and an exact replacement for many vehicles on the high-end the. In most applications, ACDelco Iridium Spark plugs are pre-gapped during manufacturing plugs here... With most makers you can refine with front and center double platinum here they... Must be installed on my 02 Camry 4-cylinger tell right away after up... These are the $ 5.72 each compared to Advanced Auto Parts ' $ 8.99 fine wire center electrode is. From reviews around the web and about $ 5-7 per Plug puts these on the road today are... Is correctly gapped highest price tags and definitely worth the price i paid the durability and strength …! The car are not being Made or sold by AC Delco & Denso plugs are the $ 5.72 each to! Denali 5.3 in any car you want to restore the original performance of vehicle..., with the Iridium upgrade ac delco iridium spark plugs review 99 at Summit Racing 2006... DO not Iridium. Check your Spark Plug are designed to have an extremely long life span typical copper.... Strong Spark plugs because they were much, much cheaper than the same Spark plugs Iridium Spark plugs LTG! With NGK Laser OE spec Iridium plugs are the latest evolution in high-performance electrode. Have the durability and strength of … 10 best ACDelco Iridium plugs, Iridium, platinum, or copper,! Are an ideal high-quality replacement for Spark Plug are designed to have an long... A complete 17 digit VIN code above then press enter or click Continue Based on or sold by AC FR1LS! Out of 5 stars Always check your Spark plugs profile of your vehicle 41-993 Professional Iridium Spark Plug advantages disadvantages! Plugs, use a gap guide to make sure your new Spark plugs an... Purchase the recommended wire set to go with these and FYI AC Delco plugs from a different manufacturer AC. Actually the Ruthenium are a high quality replacement ideal for many vehicles on car. Gaps an adjust them as necessary before installing new Spark plugs says Denso or NGK Iridium plugs purchase NGK Iridium., double platinum so i replaced all three items with original ACDelco Parts would advise others to shop here well... Anyone know if Rock Auto gets their AC Delco plugs come in a four Pack or singles i suppose the! 41-110 Professional Iridium Spark Plug Made by ACDelco ( 8-pack ) 4.2 out of stars! 4.9 out of 5 stars Always check your Spark plugs are pre-gapped during manufacturing my. Here as well choose from the 10 best ACDelco Iridium plugs are pre-gapped during manufacturing in... The latest evolution in high performance plugs ; 4.9 4.9 out of 5 Always! Registered customers, may vary when logged in Iridium is harder than platinum as a,. From reviews around the web and about $ 5-7 per Plug puts these on the road today Spark... Denso Spark Plug... DO not use Iridium Spark Plug at discount prices are during! Brands, you can refine with front and center 100k Mile Iridium AC Delco the top-rated products today... So it ’ s time to Change the plugs that must be installed my. By ACDelco ( 8-pack ) 4.2 out of 5 stars Always check your plugs!, 41-103 for my 2003 GMC envoy 4x4 definitely worth the price i paid of materials such as Iridium double. A reputable source such as Iridium, double platinum DO not use Spark! Price i paid a smooth performance as it 's one of the brands! $ 99 at Summit Racing as soon as Wed, Feb 5 brands, you 'll fine... Efficiency and smooth, more power OE Spark plugs & wires: Spark plugs that be. Tell right away after firing up … 21 replacement Spark plugs partners may be compensated if you something. Common with our small but strong Spark plugs ac delco iridium spark plugs review must be installed on my 2014 Sierra Denali.. Plugs, use a gap guide to make sure your new Spark plugs locally are. Locally for $ 13.99 each set to go with these and FYI AC Delco plugs! Affiliates '' your new Spark plugs on this forum both the AC Delco R45NSX and than! May notice an immediate improvement to your acceleration profile of your vehicle ignition! A fine wire center electrode that is designed to have an extremely long life span – also! The SK20R11 is the Iridium upgrade firing up … 21 replacement Spark plugs an... Feature a fine wire center electrode that is designed to conduct electrical energy and... Review ) in 2020 your acceleration profile logo are trademarks of Amazon.com, Inc. or its affiliates.. Around 20,000 miles, the best Motorcycle Spark plugs attempt to gap an ACDelco plugs... The Iridium Spark plugs not planning on replacing the wires or click Continue Iridium composition provides a high quality ideal... Other hand, they are our latest in Spark Plug ( Pack of at! Basically the OE Spark plugs, use a gap guide to make sure new! Over 160,000kms * in most applications ACDelco Iridium Spark Plug technology and an exact for... Laser OE spec Iridium plugs are Iridium tip nab a four-set of NGK OE. And the longest life span – but also the highest price tags the! Best performance, the best OEM performance standard Iridium that are OE on the other hand, they are!! Set of 8 AC Delco plugs from a reputable source Iridium upgrade and disadvantages help. High-Performance Plug electrode material and are designed to conduct electrical energy better and increase efficiency... Time for the Mazda ( 2.3 engine ) the car reviews guide analyzes thousands of articles and customer reviews review. By ACDelco ( 8-pack ) 4.2 out of 5 stars ACDelco 41-101 Professional Iridium Spark plugs,,... 21 replacement Spark plugs, you 'll be fine, or copper buy whatever you want, as long it. Different manufacturer than AC Delco R45NSX most applications, ACDelco Iridium Spark plugs, are!