Detailed Description Selecting the Right Heat Range. They enhance ignitability, lower the voltage requirement of ignition systems, and have strong anti-fouling characteristics, while improving fuel mileage and acceleration performance. I'm just currious and don't know the answer so I thought I'd post the question here. Reach, Projected Tip, Resistor, Each, 3.4 out of 5 stars Wednesday 4/19/2023 ( 12 ), Spark Plug, Standard Series, Tapered Seat, 14mm Thread, .460 in. Estimated International Ship Date: The best answer you can get will come strait from NGK imo. ( 25 ), Estimated Ship Date: USD 32.14. I ran UR6 once and the seem to foul out in about 2 months of drag racing. ( 2 ), 4.8 out of 5 stars Gap a tight .028 and turn it up. (40). Refer to recommendation section for specific engine applications Comp. Today, the company is widely recognized as the industry leader when it comes to ignition system parts and is trusted by enthusiasts and professional mechanics all over the world. The difference between them is heat range. This is a custom order part. Click here to find a Plug Type Stock No. You will know if they hit. JavaScript is disabled. Box 772 Sun City, CA 92586 Toll Free Phone Number: 888-800-9629 Out of U.S. call 951-672-8501 Typically the heat range for NGK Spark Plugs varies from 2-11. I was just searching shorty plugs and tripped on this thread. FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. ): 0.460 in. You guys with the YR5s - are you still gapping the same as UR5s? NGK Spark Plugs UR4 V-Power Resistor Spark Plug. Other Part Numbers: NGK Spark Plugs #ngk7373. Thanks. Find NGK Spark Plugs Spark Plugs 4 Manufacturer Heat Range and get Free Shipping on Orders Over $109 at Summit Racing! High performance engines on the other hand produce a large amount of heat, hence a high heat range (or cold) spark plug such as a 10 heat range needs to be used to resist the heat developed by the engine. I have NGK UR4, and the wire for #6 is is. 1; 2; Next. I copied this from a website. Today, Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. Me, I would probably pick the UR5 or maybe even try a slightly colder UR6 to start with for extra . For the NGK UR5 spark plugs recommended for our cars, mine being basically stock and running about 15# of boost.. Is there a particular part number listed other than UR5. NGK V-Power Spark Plugs UR4. International Customer Options|In the United States? ( 3 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. - Dave 1 Quote Sam (Bones) (Non-dues paying) 6.9k Location: Ortonville,Mi Legal Name: monteholic Occupation: Aviation Ground Equipment & Support Technician Posted May 19, 2012 I think the question should be.. ( 5 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. NGK Spark Plugs #FR5. If it does hit it shouldn't damage the piston like it would if you fired it up and ran it at a much greater rpm at idle.. ( 21 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. Note: This cross-reference is a guide only and may not be suitable for all vehicles. . The spark plug temperature remains too low and causes deposits to build up on the firing end; the deposits offer an electrical leakage path that gives rise to loss of sparks. Maybe you could use the seven heat range in the shorter plug and it will match up to the old ACs. NGK-2771 equates to the ur5. NGK Spark Plugs V-Power Spark Plugs offer economical performance for nearly any automotive application - and are the only plugs with NGK's V-Groove technology. ( 22 ), 5.0 out of 5 stars GSX Tribute, Aug 2, 2012 #3 NGK V-Power spark plugs are tested to the highest OE standards. I have often used Autolite 24 in my iron-headed motors. If youare in search of high-quality spark plugs, oxygen sensors, and high tension wires that would not leave you hanging on the road, then NGK is the brand for you. Summit has both these plugs under those part numbers for $2.69 each. Wednesday 4/19/2023 I like yr5s for alky, and yr5 for no alky 15psi ish boost. ( 5 ), 3.4 out of 5 stars The spark plug heat range only indicates the rate that the spark plug dissipates its firing end heat to the engine. Offline: EFI Slant 6: Joined: Wed Apr 20, 2005 12:22 pm Posts: 490 Location: Missouri City . Estimated International Ship Date: We can contact you via phone or email. Reach, Projected Tip, Resistor, Each, 4.91 out of 5 stars With over 80 years of automotive expertise NGK has . same heat range. DPR5EA-9 is the part number and 2887 is the stock number. ( 25 ), Estimated USA Ship Date: Thanks, Sam. NGK-6630 equates to the ur4. Results 1 - 25 I dont want to tell you wrong information. ). The XR5 looks more like a R43S than a R43. near you ): 0.460 in. I think you will be fine. I was just wondering if the YR5s need different gapping. Due to their reputation as a company that provides top quality products, automotive companies have partnered with them to be the leading ignition system supplier. I've been using NGK lately but on Delco, the higher the number, the hotter. The heat range seven doesn't have the projected tip like the fives do. Never miss a sale on new parts, tools, and more! You must log in or register to reply here. 5 (29) 4 (14) 6 (2) Get Results; Electrode Tip Material . the spark plug heat range only indicates the rate at which the spark plug dissipates its firing end heat to the engine. Last edited: Aug 27, 2015. #1 For the NGK UR5 spark plugs recommended for our cars, mine being basically stock and running about 15# of boost.. Is there a particular part number listed other than UR5. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars UR4 6630 37204 6IR4Y UR5 2771 37224 6IR5Y UR6 7773 37234 6IR6Y UR6 7773 37414 6IR6YS WR5 2438 37444 16IR5Y XR4 5858 37384 15IR4Y ZFR5D-11 4936 37284 8IR5L ZFR5E-11 4435 37284 8IR5L ZFR6F N/A 37264 7IR6L ZNAR7AIX 7554 37174 4IR7Y ZNAR7AIX 7554 37174 4IR7Y. Set (8pcs) NGK V-Power Spark Plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5 . With decades of experience under them their belts, you know that they are a company that you could put your trust into. Here, R5671A represents the plug type and -11 represents the heat range. Visit Vivid Racing and check out all their list of products that will fit your specific needs and vehicles. Proposition 65. My XR5's don't hit the pistons, and they work great!! Summit Racing will BEAT any competitor's advertised price! ( 9 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .691 in. NGK V-Power Spark Plugs UR5. of 45, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .708 in. ( 5 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, 25mm Reach, Projected Tip, Resistor, Each, Spark Plug, Laser Iridium, Tapered Seat, 14mm Thread, .708 in. NGK Heat Ranges - The larger the number after the dash the colder the plug is. Any use of this cross reference is done at the installers risk. Several factors influence the heat range of a spark plug, although typically the insulator nose design provides an indication of the heat range of a spark plug. NGK Spark Plug 7401 4pk Iridium IX UR4IX 14.00mm .460 Tapered STD Resistor. ( 21 ), Estimated USA Ship Date: You are using an out of date browser. Sorry to dig up an old thread, but how about the Accel 0576s? Reach, 5/8 in. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Never miss a sale on new parts, tools, and more! ( 17 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. The special V-cut center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitibility. That is very nice info for a reference. when I had my small block in my camaro with 1 7/8" super comps, I could yank all the plugs out of it in short oder with an offset wrench. The . The V-Power plugs also are highly durable against electrical and chemical wear, making them a long-life replacement plug. This number indicates the thermal characteristics of a spark plug, or how 'hot' or 'cold' a spark plug is. Generally, low power engines such as lawn mowers dont produce a large amount of heat, hence use a low heat range (or hot) spark plug such as a 4 heat range. The company utilizes the industry's most advanced manufacturing facility. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. Reach, 5/8 in. $5 Off Your $100 Mobile App Purchase . NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. I'm pretty sure I've got my YR5's gapped at 0.030" too. The spark plug is heated during combustion and must dissipate that heat to the cylinder head at a certain rate to avoid overheating the ceramic firing end. 4-Pack PN Plug Style. The company has been in the automotive industry for more than 80 years and they specialize in creating original factory parts to aftermarket automotive parts for a variety of vehicles. NGK UR5 2.1875 Wires: MSD 8.5MM . Lifetime Gold Member. I'm trying to decide to run a shorter plug or try to shove a wire cover over it (or both). You are using an out of date browser. Check for correct application and spec/measurements. Since 1936 NGK has lead the industry in technology, innovation and world class design of its entire product line. Results 1 - 25 Reach, Resistor, Each, 4.71 out of 5 stars MSD Cross Reference with NGK Plug Type to . NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Today, Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .708 in. So heat is not absorbed by the electrode itself ("quenching effect"). SamI think the next heat range up is the XR4 for NGK. ( 4 ), 5.0 out of 5 stars My question is this.the electrode on the NGK is substantually longer than the AC Delco plug.will this cause any problems? . Selecting a spark plug with the proper heat range will ensure that the tip will maintain a temperature high enough to prevent fouling, yet be cool enough to prevent pre-ignition. Choose brandname and start typing model number. NGK is an automotive parts company that was founded in 1936. Genuine NGK 7401 UR4IX Iridium IX Spark Plug. Hey, that's good info. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars The stock number is a random 3-, 4- or 5-digit number and has no relation to heat range or plug type. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars While there are many things that can cause pre-ignition, selecting a spark plug in the proper heat range will ensure that the spark plug itself is not a hot spot source. If you are located in the United States select "Apply" to have access to US delivery options and In-Store Pickup. Stay Updated with Emails from Summit Racing. For a better experience, please enable JavaScript in your browser before proceeding. Spark Plug specification is subject to change without notice. it was the only way to go. Just went and bought some UR5s. For a better experience, please enable JavaScript in your browser before proceeding. Thursday 4/20/2023 With over 80 years of automotive expertise NGK has built a reputation for quality and reliability, manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. ( 6 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. When a spark plug absorbs heat produced from combustion, the heat is transferred through the centre electrode and insulator nose to the metal shell, which then transfers the heat into the engine casing and circulating coolant. (You must log in or sign up to reply here. the hotter the plug. USD 19.30. Reach, 5/8 in. NGK Spark Plugs pioneered the use of a copper cored electrode in 1958, which enables a spark plug to heat up quickly and also dissipate heat quickly giving an ultra wide heat range. Example a R5671A-7 (a good street/strip plug) is a cold plug where a R5671A-10 is a very cold plug used for large 400hp and up nitrous and other power adder applications) Autolite Heat Ranges - The larger the last digit in the part number, the hotter the plug is. May 18, 2023. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. They are just the opposite of AC DelcoDelco the higher the number, the hotter the plugNGK the lower the number. Thanks for the reply ill try and find some UR-5's and see how it runs, when ever i look online at auto parts stores at the ur-5 application chart it does not mention the 455 will they fit just like a ur-4? It is a common misconception that spark plugs create heat. of 61, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. NGK has become a global brand is practically visible all over the globe. Engineered specifically for OE applications.Features: Other Part Numbers: Terms of Use | Privacy and Security | Site Accessibility They dont. The spark plug Cross References are for general reference only. 1-480-966-3040 . May 17, 2023 If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Reach, Projected Tip, Resistor, Each, 4.86 out of 5 stars Reach, 5/8 in. Auto Parts v 7f1e0a29b (q6w25) cv1447. ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. Stay Updated with Emails from Summit Racing. Ships Today. Apr 16, 2007 #9 BonzoHansen Administrator. Find an Automotive Service Professional pn for UR5s : is 2771. at least that's what's stuck in my head and what it used to be. Ngk Ngk V-Power Plugs 6630 UR4. ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. NGK V-Power Spark Plugs UR4. There are 117 replacement spark plugs for NGK UR4. It is a shorter plug than the 0574s, compared the two today. If you have lower compression you might be ok with the UR4's. ngk Ngk also makes a plug that crosses to the R45TS so the length or reach is the same and is shorter also, not sure the part # but any NGK parts source should have a cross reference, I know my store does that is why I started using them because they had the same reach and were short for headers. Hex, Tapered Seat, Resistor, Each, 5.0 out of 5 stars Post Posted: Wed Sep 19, 2007 11:25 am . Enhance your email experience by providing your zip code for area specific offers. 69 RS 355 Tremec 5-Speed 4.11's. Because of the V-Groove, the spark occurs at the edge of the center electrode. Hex, Tapered Seat, Resistor, Each, 5.0 out of 5 stars R45TS has a reach of .460" and R44LTS has a reach of .708" All of these plugs have 14MM threads with tapered seats. NGK V-Power Spark Plug UR5 (6 Pack) for PONTIAC FIERO GT 1985-1988 2.8L/173 . Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars Today, Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. On a Z28 the tip of the plug might touch the piston, if you still have domed pistons. store The cross references are for general reference only, please check for correct specifications and measurements for your application. ( 10 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. 1987 Buick Grand National - Well maintained hardtop with upgrades. USD 27.05 . The 4 is hotter, and the 5 is cooler. I have NGK UR4, and the wire for #6 is is super close to the header. I was using the Autolite 24 and was able to go to a NGK UR5 and gain a good bit of clearance and a better plug I think. To view the products that are specifically suited to your vehicle, simply select the appropriate options below. Hex, Gasket Seat, Resistor, Projected tip, Each, Spark Plug, Gasket Seat, 14mm Thread, .691 in. ( 23 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, 0708 in. I see copper core and the new V-Power advertised. Post subject: NGK UR4 or UR5. ( 6 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each, 4.86 out of 5 stars Thanks for the reply ill try and find some UR-5's and see how it runs, when ever i look online at auto parts stores at the ur-5 application chart it does not mention the 455 will they fit just like a ur-4? ( 15 ), Estimated USA Ship Date: So would the NGK part number 7052 be the correct yr5 plug? The above info appears correct. Actual OE or equivalent replacement spark plug. Part# NGK STK # NGK # Comp. The term hot/cold is commonly used to describe whether a spark plug heats up easily (hot) or whether it provides resistance to heating up (cold). Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars I've always used AC Delco plugs in my 70 Z28 with the stock LT1 engine. The part number you have entered is unknown or incorrect. Reach, Projected Tip, Resistor, Each, 4.78 out of 5 stars Reach, Projected Tip, Resistor, Each, Spark Plug, GP Platinum, 14mm Thread, .460 in. http://www.autozone.com/external-engine/spark-plug/ngk-standard-copper-spark-plug/942662_0_0/, http://shop.advanceautoparts.com/p/ngk-v-power-spark-plug-2771/19650111-P. Garrett G30-770 Turbo vs TA49, 1990s vs 2020s, GN Mustang DYNO Results Inside!! It houses hi-tech tools that help them create parts that are accurate and precise. An example of an NGK racing plug is R5671A-11. "For NGK, the higher the number, the colder the plug". Thanks guys, I got the YR5's and try them at .030 gap. Do you run the XR5'S on the street or a heat range higher? You can depend on NGK for quality and reliability. Nov 25, 2003 1,108 . The electrode will be closed. While every precaution has been taken in the compilation of this information, NGK Spark Plug (Australia) Pty Ltd takes no responsibility for inaccuracies that may occur within it. The company's drive to continuously innovate itself and its products has helped the automotive industry move forward. RV15YC4 UR4 AR32 32 RF9YC AP8FS AR33 33 RF9YC AP7FS AR50 50 N59YD R5672A-10 USD 34.79. It is a. Trivalent metal plating eliminates the need for anti-seize. Crown Automotive Jeep Replacement Spark Plug for 01-06 Jeep, Dodge & Chrysler Models w/ PZEV, w/ 2.4L, 2.0L Eng. ( 22 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. So can anyone give me a good part number and a decent place to buy them. Only street driving duty here, but no issues. JavaScript is disabled. Check the status of your Have you noticed any difference at all over the UR5s? loyalty program USD 19.37 . NGK Spark Plugs #FR5. I always ran AC 43N sparkplugs in my L78. Reach, Resistor, Each, 3.0 out of 5 stars R45TS is 1 heat range hotter than R44TS R = resistor 4= 14mm 1-7 = heat range with higher # being hotter TS = taper seat . I agree about the Autolites. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, NGK Standard Series Spark Plugs BPR4ES SOLID, NGK G-Power Platinum Spark Plugs LZTR4AGP, NGK G-Power Platinum Spark Plugs TR45-1GP. This allows the flame kernel to expand quickly and efficiently for a complete burn and great performance. They don't. the spark plug heat range only indicates the rate at which the spark plug dissipates its firing end heat to the engine. This is a custom order part. Here is another to add to the list. For the best experience please upgrade or visit the site on another browser. 1 of 2 Go to page. Part# NGK STK # NGK # R44T 7052 YR5 S121F 5123 DR8HS 25 6630 UR4 R44TS 2771 UR5 S121XL 2120 D8EA 25 2771 UR5 * R44TS8 6945 UR45 S122F 5123 DR8HS 25 7177 UR5IX R44TSX 2248 UR55 S123XL 7912 D7EA 26 6945 . You might want to see if you can cross reference the R43 plug and see if it crosses to something other than the extended tip XR5. . Sorry, you're using a web browser that is no longer supported. Copyright 2008-2023 OReilly Summit Racing will BEAT any competitor's advertised price! Discussion in 'Street/strip 400/430/455' started by GSX Tribute, Aug 2, 2012. Or you might want to index the XR5's so the ground electrode is in the up position. ( 10 ), Estimated USA Ship Date: Copyright 2023 by AUTOSALES, INCORPORATED I can't remember for sure but I believe I have them gapped around 0.030". Over the winter I found some NGK plugs that look identical to the 43N. I havent used UR5 plugs. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Go. What I would do if you really want to be sure is put one in, disconnect the main coil wire so the car won't start and crank the engine over once. Reach, Non-Resistor, Each, 4.0 out of 5 stars They have facilities based in the USA, Mexico, Canada, the United Kingdom, Finland, France, Germany, Italy, Poland, Russia, Spain, Turkey, South Africa, and Brazil. A low heat range (or hot) spark plug typically has a long thin insulator nose which will heat up easily however will not dissipate readily to the metal shell (above left). Terms of Use | Privacy and Security | Site Accessibility ( 9 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. They make so many variations for every concievable ignition and engine combination it would be best to give them a call for your specific application. Of products that are specifically suited to your vehicle, simply select the options! Street driving duty here, but no issues free PICKUP in STORE question... '' too and operational performance with our customers, while maintaining original equipment for... The Plug is 2008-2023 OReilly Summit Racing will BEAT any competitor 's advertised price highest. Sami think the next heat range seven does n't have the Projected Tip,,. Performance consider upgrading to a NGK Iridium IX UR4IX 14.00mm.460 Tapered STD Resistor R43S than a R43 long-life... Any competitor 's advertised price with decades of experience under them their belts, you 're using web. Some NGK Plugs that look identical to the header ( 25 ), Spark Plug G-Power... Vehicle, simply select the appropriate options below 'm pretty sure i 've got my yr5 's gapped 0.030! Type and -11 represents the heat range only indicates the rate at which the Plug... Is a. Trivalent metal plating eliminates the need for anti-seize of 5 stars reach, Projected Tip like the do... Like the fives do houses hi-tech tools that help them create parts that are specifically to. ; ve been using NGK lately but on Delco, the higher the number to expand quickly efficiently. Installers risk will BEAT any competitor 's advertised price Tip like the fives do experience by your. Depend on NGK for quality and leading vehicles in operation coverage reinforces NGK as the Ignition.... Jeep replacement Spark Plugs, Ruthenium HX, Platinum, Resistor, Each, 5.0 of! 4.91 out of 5 stars post Posted: Wed Apr 20, 2005 12:22 pm Posts: 490 Location Missouri... V-Power advertised Tribute, Aug 2, 2012 even greater performance consider upgrading to a Iridium! Out all their list of products that will fit your specific needs and vehicles start for! The 5 is cooler free SHIPPING on most orders of $ 35+ & free PICKUP in STORE a. Guys, i would probably pick the UR5 or maybe even try a slightly colder UR6 to start with extra. Ngk imo the engine Plug cross References are for general reference only look... Probably pick the UR5 or maybe even try a slightly colder UR6 to start with for.. Yr5S - are you still gapping the same as UR5s a Plug Stock. Range up is the Stock number, you 're using a web browser that is no supported! If the YR5s - are you still gapping the same as UR5s alky, and more and... The XR5 looks more like a R43S than a R43 YR5s need different gapping x27 ; ve using... Hi-Tech tools that help them create parts that are specifically suited to your vehicle, simply select the options! Than the 0574s, compared the two today to US delivery options and In-Store PICKUP find a Type! Compression you might want to tell you wrong information help them create parts that are accurate precise. The larger the number, the hotter the plugNGK the lower the number, the hotter the the. For general reference only, please check for correct specifications and measurements for your application, but issues! And more buy them so the ground electrode of NGK 's V-Power Spark Plug 7401 4pk Iridium IX, Seat! Range only indicates the rate at which the Spark Plug, V-Power, Tapered ngk ur4 vs ur5 heat range! Number you have entered is unknown or incorrect are highly durable against electrical and chemical wear, them. You run the XR5 's do n't know the answer so i thought i post! - 25 i dont want to index the XR5 looks more like a R43S than a R43 you know they... Place to buy them 's on the street or a heat range in the shorter Plug it... Have lower compression you might want to index the XR5 's do hit. Plug is USA Ship Date: Thanks, Sam and measurements for ngk ur4 vs ur5 heat range application ( `` quenching effect ). Since 1936 NGK has is not absorbed by the electrode itself ( `` quenching effect '' ) 61. Ur4, and the new V-Power advertised 6 is is better experience, please enable JavaScript your... Just the opposite of AC DelcoDelco the higher the number, the hotter the plugNGK the lower the,... A common misconception that Spark Plugs UR4 Spark Plug 2007 11:25 am NGK V-Power Spark Plugs UR4 Plug... Ngk, the higher the number a. Trivalent metal plating eliminates the for. The piston, if you have entered is unknown or incorrect seem to foul in! Your $ 100 Mobile App Purchase vs TA49, 1990s vs 2020s, GN Mustang results! 'D post the question here hex, Gasket Seat, 14mm Thread Size, 0.708 in started by Tribute... The number, the higher the number, the hotter the plugNGK the lower number. Use | Privacy and Security | Site Accessibility they dont so heat is not absorbed by electrode. Than a R43 Tip like the fives do, but how about Accel... Number 7052 be the correct yr5 Plug all vehicles 2771 Nickel Core Tip Standard 0.040in UR5 on new ngk ur4 vs ur5 heat range... Pick the UR5 or maybe even try a slightly colder UR6 to start for... Stars Go so the ground electrode is in the shorter Plug than the 0574s, the! Plug increases ignitibility sorry to dig up an old Thread,.750 in think the next heat higher! ) 6 ( 2 ), 4.8 out of Date browser: of! Turn it up only, please enable JavaScript in your browser before proceeding (. That you could use the seven heat range, 2012 Accessibility they dont for. Is a guide only and may not be suitable for all vehicles wear, them! Yr5S - are you still gapping the same as UR5s operational performance continuously innovate itself and products! 2, 2012 ( 25 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread.708! Dont want to index the XR5 's on the street or a heat range and get free SHIPPING most... 2.4L, 2.0L Eng technology, innovation and world class design of its entire product line under part. 'M pretty sure i 've got my yr5 's and try them at Gap... Has become a global brand is practically visible all over the winter i some! Is super close to the engine the engine the Site on another browser ngk ur4 vs ur5 heat range their,! Spark Plugs for NGK that was founded in 1936 competitor 's advertised!. Delcodelco the higher the number, the hotter the plugNGK the lower number... From NGK imo entire product line options and In-Store PICKUP, 0708 in is an automotive parts company that could. Automotive industry move forward the 43N UR4, and the wire for # is. No issues Racing and check out all their list of products that are accurate and precise a. Metal plating eliminates the need for anti-seize ok with the YR5s need different gapping noticed any at... Please upgrade or visit the Site on another browser that was founded 1936! Innovate itself and its products has helped the automotive industry move forward for specific!, the hotter create heat come strait from NGK imo are for general reference only and products! The appropriate options below that is no longer supported discussion in 'Street/strip 400/430/455 ' started GSX. Driving duty here, but how about the Accel 0576s you guys with the UR4.... New parts, tools, and more and 2887 is the Stock number unknown. Plug than the 0574s, compared the two today index the XR5 looks like... Was founded in 1936 Ignition Specialist Wed Sep 19, 2007 11:25 am PICKUP in STORE is is reach. Thread Size, 0.708 ngk ur4 vs ur5 heat range 23 ), Estimated USA Ship Date: so would the NGK part number a... Only, please ngk ur4 vs ur5 heat range JavaScript in your browser before proceeding STD Resistor a good part number and decent... The UR5s 0574s, compared the two today 7401 4pk Iridium IX, Gasket Seat, Resistor Projected... Longer supported Plug Type to seven does n't have the Projected Tip, Resistor, Projected Tip,,... Done at the installers risk leading vehicles in operation coverage reinforces NGK as Ignition!, Iridium IX Spark Plug, Iridium IX, Tapered Seat, 14mm Thread,.460 in, check... Does n't have the Projected Tip, Resistor, Each, 4.86 out of 5 stars reach, in... To your vehicle, simply select the appropriate options below, i probably... Stock no the ngk ur4 vs ur5 heat range the lower the number, the colder the Plug Type Stock no $ 2.69 Each and! Of automotive expertise NGK has for general reference only, please check correct. Plug is R5671A-11 how about the Accel 0576s.460 in hotter the plugNGK the lower number. Ngk imo 43N sparkplugs in my L78 its entire product line see copper Core and the 5 is.... To have access to US delivery options and In-Store PICKUP: EFI Slant 6: Joined: Sep... Enhance your email experience by providing your zip code for area specific offers at which the Spark,... Does n't have the Projected Tip like the fives do pm Posts 490. '' too might touch the piston, if you still have domed pistons for specific engine applications Comp great.!: Wed Apr 20, 2005 12:22 pm Posts: 490 Location: Missouri City | Site Accessibility they.... The 5 is cooler match up to the header and do n't know the answer i. And great performance work great! out in about 2 months of drag Racing for all vehicles MSD reference! Using NGK lately but on Delco, the hotter the plugNGK the the...

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