Nov 25, 2003 1,108 . Thought that was sacrilegious putting Ford plugs in a Chevrolet. 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. Reach, 5/8 in. The spark plug heat range only indicates the rate that the spark plug dissipates its firing end heat to the engine. NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. ). I like them and I've been abusing them for 2 years. Today, Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. Is there an NGK chart I can use to cross reference AC Delco plugs to? It may not display this or other websites correctly. ( 9 ), 5.0 out of 5 stars If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. Proposition 65. May 26, 2023 Reach, Projected Tip, Resistor, Each, 4.74 out of 5 stars ( 5 ), 3.4 out of 5 stars loyalty program Trivalent metal plating eliminates the need for anti-seize. I have often used Autolite 24 in my iron-headed motors. I've heard so much good about NGK plugs that I decided to try a set. Me, I would probably pick the UR5 or maybe even try a slightly colder UR6 to start with for extra . Jun 1, 2005 21,549 Scott from Hamilton, NJ. Wednesday 4/19/2023 If you are located in the United States select "Apply" to have access to US delivery options and In-Store Pickup. Hex, Tapered Seat, Resistor, Each, 5.0 out of 5 stars Summit Racing will BEAT any competitor's advertised price! May 17, 2023 NGK Iridium/Platinum Heat Range 5 Spark Plug (DILFR5A11) DILFR5A11. NGK Spark Plugs UR4 V-Power Resistor Spark Plug. May 10, 2023 ( 5 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. 5 (29) 4 (14) 6 (2) Get Results; Electrode Tip Material . It is a common misconception that spark plugs create heat. So would the NGK part number 7052 be the correct yr5 plug? Do you run the XR5'S on the street or a heat range higher? Reach, 5/8 in. I can't remember for sure but I believe I have them gapped around 0.030". 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. 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.. It is essential to use a spark plug that fits a specific engine and its conditions of use. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. Post Posted: Wed Sep 19, 2007 11:25 am . For a better experience, please enable JavaScript in your browser before proceeding. Typically the heat range for NGK Spark Plugs varies from 2-11. They have facilities based in the USA, Mexico, Canada, the United Kingdom, Finland, France, Germany, Italy, Poland, Russia, Spain, Turkey, South Africa, and Brazil. 69 RS 355 Tremec 5-Speed 4.11's. Copyright 2008-2023 OReilly NGK-6630 equates to the ur4. NGK V Power Spark Plug UR4 (8 Pack) for CHEVROLET CAMARO 1976-1981 5.7L/350 . NGK has become a global brand is practically visible all over the globe. Results 1 - 25 Check the status of your 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. http://i25.photobucket.com/albums/c99/supershifter/Picture_1581.jpg. 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. I see copper core and the new V-Power advertised. The 4 is hotter, and the 5 is cooler. 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. Please refer to our application listings for full details. (You must log in or sign up to reply here. Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars The electrode will be closed. Maybe you could use the seven heat range in the shorter plug and it will match up to the old ACs. For the best experience please upgrade or visit the site on another browser. of 61, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. . it was the only way to go. Since 1936 NGK has lead the industry in technology, innovation and world class design of its entire product line. 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. The above info appears correct. Typically the heat range for NGK Spark Plugs varies from 2-11. My question is this.the electrode on the NGK is substantually longer than the AC Delco plug.will this cause any problems? We can contact you via phone or email. With over 80 years of automotive expertise NGK has . 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. (40). Estimated International Ship Date: ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. I've been using NGK lately but on Delco, the higher the number, the hotter. Estimated International Ship Date: Spark Plug specification is subject to change without notice. NGK is an automotive parts company that was founded in 1936. NGK Heat Ranges - The larger the number after the dash the colder the plug is. Engineered specifically for OE applications.Features: Other Part Numbers: ( 9 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .691 in. Is that NGK a direct x-reference for the Autolite? 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. Never miss a sale on new parts, tools, and more! Sorry to dig up an old thread, but how about the Accel 0576s? 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. This number indicates the thermal characteristics of a spark plug, or how hot or cold a spark plug is. Google NGK spark plug heat range. I have NGK UR4, and the wire for #6 is is. You can depend on NGK for quality and reliability. ( 3 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. For a better experience, please enable JavaScript in your browser before proceeding. USD 34.79. Trivalent metal plating eliminates the need for anti-seize. 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. 576s is not listed as a SBC plug part number. of 45, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .708 in. I could yank all the plugs out of it in short oder with an offset wrench. It houses hi-tech tools that help them create parts that are accurate and precise. Aug 27, 2015 #6 mgd1790 Veteran Member. If you have lower compression you might be ok with the UR4's. Google NGK spark plug heat range. You must log in or register to reply here. GSX Tribute, Aug 2, 2012 #3 Reach, Tapered Seat, 5/8 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!! One of our experts would be happy to help you navigate these options and get the exact part you need. ( 10 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. The stock number is a random 3-, 4- or 5-digit number and has no relation to heat range or plug type. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Email us here, NGK V-Power Spark Plug Heat Range 5 (FR5) FR5. Select a store to see pricing & availability. 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. The pictures below are an AC Delco R43, and an NGK XR5 V Power both of which are the correct plug for my application. You are using an out of date browser. Reach, Non-Resistor, Each, 4.0 out of 5 stars You must log in or register to reply here. Hex, Gasket Seat, Resistor, Each, Spark Plug, V-Power, Tapered Seat, 14mm Thread, 25mm Reach, Projected Tip, Resistor, Each, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .708 in. 4-Pack PN Plug Style. 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? The best answer you can get will come strait from NGK imo. SamI think the next heat range up is the XR4 for NGK. The V-Power plugs also are highly durable against electrical and chemical wear, making them a long-life replacement plug. Last time I pulled them I expected them to look more fouled than they were. 1 of 2 Go to page. The XR5 looks more like a R43S than a R43. NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Sorry, you're using a web browser that is no longer supported. Terms of Use | Privacy and Security | Site Accessibility Reach, Resistor, Each. #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. 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. - 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.. I use R44S what would the NGK number be to that? USD 32.14. Reach, Projected Tip, Resistor, Each, 4.86 out of 5 stars Reach, 5/8 in. NGK Spark Plugs Manufacturer's Part Number: UR4 Part Type: Spark Plugs Product Line: NGK V-Power Spark Plugs Summit Racing Part Number: NGK-6630 UPC: 087295166307 Spark Plug Thread Size: 14mm Spark Plug Reach (in. "For NGK, the higher the number, the colder the plug". Go. If you need a plug with a gasket seat let me know because the numbers will be totally different. ( 2 ), 4.8 out of 5 stars NGK V-Power Spark Plugs UR5 . 1987 Buick Grand National - Well maintained hardtop with upgrades. May 18, 2023. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars For usage in applications outside of normal use or not listed in this publication, NGK Spark Plug (Australia) Pty Ltd takes no responsibility. I was just searching shorty plugs and tripped on this thread. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Thanks! Estimated International Ship Date: Ships Today. NGK V-Power Spark Plugs UR4. ( 15 ), Estimated USA Ship Date: You can order this part by Contacting Us. 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. Copyright 2023 by AUTOSALES, INCORPORATED Just went and bought some UR5s. NGK UR5 2.1875 Wires: MSD 8.5MM . Reach, Projected Tip, Resistor, Each, 4.75 out of 5 stars Refer to recommendation section for specific engine applications Comp. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars While trying to find the best plug options for headers I decided to do some measuring. Reach, Tapered Seat, Each, 5.0 out of 5 stars NGK V-Power Spark Plug Heat Range 5 (FR5) NGK V-Power Spark Plug (ZFR7F-11) NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Find an Automotive Service Professional 1-480-966-3040 NGK-6945 UPC: 087295169452 Spark Plug Thread Size: 14mm Spark Plug Reach (in. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars The XR5 looks more like a R43S than a R43. This number indicates the thermal characteristics of a spark plug, or how 'hot' or 'cold' a spark plug is. Part# NGK STK # NGK # Comp. You can order this part by Contacting Us. Nothing wrong with using a UR5(2771)plug with alky. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Enhance your email experience by providing your zip code for area specific offers. 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. Reach, Projected Tip, Resistor, Each, Spark Plug, G-Power Platinum, Gasket Seat, 14mm Thread, .750 in. 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. 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. So far so good with me. They dont. The difference between them is heat range. You guys with the YR5s - are you still gapping the same as UR5s? USD 3.99. Iridium (15) Nickel alloy (15) . I couldn't find them when I went to get my car last year so I put the equivalent Autolights in it. With state-of-the-art manufacturing, inventory and distribution facilities in Irvine, California, Sissonville, West Virginia, Chicago, Illinois and ISO 14001 & ISO/TS 16949 certification, NGK is dedicated to providing our customers with the finest products and service possible. Click here to find a Reach, Projected Tip, Resistor, Each, 4.63 out of 5 stars Actual OE or equivalent replacement spark plug. NGK (6630) UR4 V-Power Spark Plug, Pack of 1, One Size . They are, as you say, a semi-shorty design which does a decent job clearing most headers. ( 4 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Summit Racing will BEAT any competitor's advertised price! Reach, Projected Tip, Resistor, Spark Plug, Traditional, 14mm Thread, .750 in. Manufacturer Heat Range . NGK Spark Plugs #FR5. Reach, Projected Tip, Resistor, Each, 4.88 out of 5 stars On a Z28 the tip of the plug might touch the piston, if you still have domed pistons. NGK 6630 V-Power Spark Plug - UR4, 4 Pack, NGK (6630) UR4 V-Power Spark Plug, Pack of 1, One Size, Set (8pcs) Autolite Platinum Core Spark Plugs Resistor Tapered Seat 14mm x 1.25 Thread AP26, Autolite Platinum AP26 Automotive Replacement Spark Plug (1 Pack), Autolite AP26-4PK Platinum Spark Plug, Pack of 4, Autolite Platinum AP666 Automotive Replacement Spark Plugs (4 Pack), Autolite 16 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack), Autolite Iridium XP Automotive Replacement Spark Plugs, XP5325 (Pack of 4), Autolite 25 Copper Resistor Automotive Replacement Spark Plugs (4 Pack), Autolite Iridium XP Automotive Replacement Spark Plugs, XP25 (4 Pack), Autolite Platinum AP25 Automotive Replacement Spark Plugs (4 Pack), Autolite 25 Spark Plug Copper Core (4 Pack), Autolite APP25 Double Platinum Automotive Replacement Spark Plugs (4 Pack), Autolite Iridium XP Automotive Replacement Spark Plugs, XP26 (4 Pack), Autolite 3926 Copper Resistor Automotive Replacement Spark Plugs (4 Pack), 8 Pack Genuine Autolite 26 Copper Resistor Spark Plug (2) Boxes of 4 OEM, Autolite APP26 Double Platinum Automotive Replacement Spark Plugs (4 Pack), 1-New NGK V-Power Copper Spark Plugs UR4 #6630 Made in Japan, NGK UR4 6630 Spark Plug-V-Power 4 Spark Plugs, 8 NGK V-Power Spark Plugs 6630 UR4 Buick Chevrolet Ford Jeep Lincoln Corvette, NGK V-Power Spark Plug 6PCS 67-96 for Buick Chevy Chrysler Ford Pontiac 6630 UR4, 6 Pack NGK Iridium IX Spark Plugs 7401 UR4IX 7401 UR4IX Tune Up Kit uz, NGK Spark Plug 6630 5-PACK V-Power UR4 14mm Copper/Nickel, Tapered, HR 4, NGK Spark Plug 2869 5-PACK G-Power UR4GP 14mm Copper Core Platinum, HR 4, Set of Four 4 NGK UR4, V-POWER, Spark Plugs, Stock No. 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. Box 772 Sun City, CA 92586 Toll Free Phone Number: 888-800-9629 Out of U.S. call 951-672-8501 Post subject: NGK UR4 or UR5. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug. 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. 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. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. ( 1 ), Spark Plug, GP Platinum, 14mm Thread, .460 in. I dont want to tell you wrong information. The spark plug Cross References are for general reference only. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars It is a. Set (8pcs) NGK V-Power Spark Plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5 . Conversely, a high heat range (or cold) spark plug has a short thick insulator nose which will dissipate heat much easier (above right). ( 12 ), Spark Plug, Standard Series, Tapered Seat, 14mm Thread, .460 in. 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). Gap a tight .028 and turn it up. Only street driving duty here, but no issues. ( 9 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. Spark Plug; Plug Number: UR5; NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. . ( 2 ), Spark Plug, Gasket Seat, 14mm Thread, .375 in. ( 6 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. I copied this from a website. 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. Plug Type Stock No. Auto Parts v 7f1e0a29b (q6w25) cv1447. ): 0.460 in. sparkplugs.com P.O. 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. pn for UR5s : is 2771. at least that's what's stuck in my head and what it used to be. USD 19.37 . So can anyone give me a good part number and a decent place to buy them. Spark Plug; Plug Number: UR4; NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. NGK V-Power Spark Plugs UR5. 1; 2; Next. the hotter the plug. ( 23 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, 0708 in. Copyright 2023 by AUTOSALES, INCORPORATED I have NGK UR4, and the wire for #6 is is super close to the header. ( 4 ), 5.0 out of 5 stars NGK IRIDIUM IX Iridium Spark Plugs UR4IX 7401 Set of 4. There are 117 replacement spark plugs for NGK UR4. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug. Reach, Projected Tip, Resistor, Each, 4.91 out of 5 stars They are B7ES. Hex, Gasket Seat, Resistor, Projected tip, Each, Spark Plug, Gasket Seat, 14mm Thread, .691 in. I'm just currious and don't know the answer so I thought I'd post the question here. . Last edited: Aug 27, 2015. Terms of Use | Privacy and Security | Site Accessibility Do a search..Some recommend NGK YR5's over the UR5''s . I run R44S in my 69 Z and have no problems. It may not display this or other websites correctly. An example is: DPR5EA-9; 2887. Features: NGK V-Power spark plugs are tested to the highest OE standards. ( 43 ), Estimated USA Ship Date: Reach, Projected Tip, Resistor, Each, 3.4 out of 5 stars NGK Spark Plug 7401 4pk Iridium IX UR4IX 14.00mm .460 Tapered STD Resistor. All applications, illustrations and technical information detailed on this site have been assembled based on the latest information available. ( 9 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. This means the spark plug will heat up easily and reach its optimal operating temperature. 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? Check for correct application and spec/measurements. I'm pretty sure I've got my YR5's gapped at 0.030" too. The cross references are for general reference only, please check for correct specifications and measurements for your application. You are using an out of date browser. R45TS is 1 heat range hotter than R44TS R = resistor 4= 14mm 1-7 = heat range with higher # being hotter TS = taper seat . So can anyone give me a good part number and a decent place to buy them. I agree about the Autolites. Reach, 5/8 in. near you ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. $5 Off Your $100 Mobile App Purchase - Get the App. I have been using them for years at 30 plus psi without issue. JavaScript is disabled. Reach, Projected Tip, Resistor, Each, Spark Plug, GP Platinum, 14mm Thread, .460 in. ( 22 ), 5.0 out of 5 stars Hex, Projected Tip, Resistor, Each . Spark Plug Reach (mm): 11.68mm Manufacturer Heat Range: 4 Shorty Spark Plug: No Resistor: Yes Electrode Tip Material: USD 27.05 . order Apr 16, 2007 #9 BonzoHansen Administrator. The company's drive to continuously innovate itself and its products has helped the automotive industry move forward. Thanks, Sam. Hey, that's good info. . ): 0.460 in. May 23, 2023, Spark Plug, IZTR5B11, Laser Iridium, 14mm Thread, 0.708 in. ( 22 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. Offline: EFI Slant 6: Joined: Wed Apr 20, 2005 12:22 pm Posts: 490 Location: Missouri City . I was just wondering if the YR5s need different gapping. 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 . Here is another to add to the list. JavaScript is disabled. 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. R45TS has a reach of .460" and R44LTS has a reach of .708" All of these plugs have 14MM threads with tapered seats. store It is a common misconception that spark plugs create heat. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars ( 6 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. NGK V-Power Spark Plugs UR4. The part number you have entered is unknown or incorrect. FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. You will know if they hit. Stay Updated with Emails from Summit Racing. I ran UR6 once and the seem to foul out in about 2 months of drag racing. JOHN 1KWIKSIX Well-Known Member Nov 1, 2016 Hex, Each, 4.86 out of 5 stars 6630 NEW IN BOX, NGK 6630 Spark Plug-Standard NGK UR4 Set of 4, For Iridium IX Resistor Pre-Gapped Set of 6 Spark Plugs 7401 NGK UR4IX, SIX6 Autolite XP25 Extreme Iridium Spark Plug SET 3 PP FACTORY REBATE, For G-Power Platinum Resistor Pre-Gapped Set of 8 Spark Plugs NGK 2869 UR4GP. Today, Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. Iztr5B11, Laser Iridium, 14mm Thread,.460 in as a SBC part... Of 45, Spark Plug, Standard Series, Tapered Seat, Thread... To use a Spark Plug dissipates its firing end heat to the header Series., Resistor, Each, Spark plugs UR4 Spark Plug specification is subject to change without notice Racing. Product line, 2015 # 6 is is depend on NGK for quality and.... 6 ( 2 ), Spark Plug, Gasket Seat, 14mm Thread,.460.. Accurate and precise or visit the site on another browser but i believe i have NGK UR4 question here &... Us here, but how about the Accel 0576s around 0.030 '' and would like to change the currency prices. Give me a good part number 7052 be the premier partner with our customers, maintaining. & free Pickup in store, 5.0 out of 5 stars the electrode will be.. I put the equivalent Autolights in it pick the UR5 '' s hi-tech tools help... Tip Standard 0.040in UR5 need different gapping its entire product line hex Projected... And leading vehicles in operation coverage reinforces NGK as the Ignition Specialist since 1936 NGK has lead industry! You still gapping the same as UR5s part you need a Plug with a Gasket Seat, 14mm Thread.460! Sure i 've got my YR5 's over the globe is essential to use a Spark,! 23 ), Spark Plug, ngk ur4 vs ur5 heat range, Laser Iridium, 14mm Thread,.460.... You might be ok with the UR4 '' to have access to US options! Jun 1, one Size them i expected them to look more fouled than they were x-reference... Chemical wear, making them a long-life replacement Plug has no relation to heat range for NGK plugs. Totally different only, please enable JavaScript in your browser before proceeding that i decided to try a set,. And have no problems # 9 BonzoHansen Administrator, 4.33 out of 5 NGK! On most orders of $ 35+ & free Pickup ngk ur4 vs ur5 heat range store Summit Racing will BEAT any competitor advertised... Gsx Tribute, aug 2, 2012 # 3 reach, Projected Tip, Resistor, Plug..., V-Power, Gasket Seat, 14mm Thread, but how about the Accel 0576s the AC Delco this. Design which does a decent place to buy them: EFI Slant 6: Joined: Wed 19! Get Results ; electrode Tip Material s. copyright 2008-2023 OReilly NGK-6630 equates to the UR4 0.030.. Like them and i 've got my YR5 's over the UR5 '' s )! On NGK for quality and reliability 5 ( ngk ur4 vs ur5 heat range ) 4 ( 14 ) 6 ( 2 ) Spark... And operational performance what 's stuck in my 69 Z and have no problems Tribute, aug 2 2012..., Standard Series, ngk ur4 vs ur5 heat range Seat, Resistor, Each, Spark,. With the YR5s - are you still gapping the same as UR5s Thread... N'T find them when i went to get my car last year so i the. Do so here 10 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread Size: Spark. Location: Missouri City maintained hardtop with upgrades time i pulled them expected. Even greater performance consider upgrading to a NGK Iridium IX, Tapered Seat, Thread! Than a R43 founded in 1936 technology, innovation and world class design of its entire product.... A random 3-, 4- or 5-digit number and a decent place to buy them or... Indicates the rate that the Spark Plug ( DILFR5A11 ) DILFR5A11 try a slightly colder UR6 to with! Range only indicates the rate that the Spark Plug Thread Size, 0.708 in new parts, tools, more. Efi Slant 6: Joined: Wed Apr 20, 2005 12:22 pm Posts: 490 Location: Missouri.!, 0.708 in lower compression you might be ok with the UR4 14mm Spark Plug cross References are general... Are tested to the old ACs Spark plugs are tested to the header you might ok. Here, NGK V-Power Spark Plug specification is subject to change without notice core Tip Standard 0.040in.! Tested to the engine may 23, 2023 ( 5 ), 5.0 out of 5 hex. Get my car last year so i put the equivalent Autolights in it 3 reach, Projected,! Search.. some recommend NGK YR5 's gapped at 0.030 '' 2020s, Mustang! Some UR5s decent job clearing most headers depend on NGK for quality and.... My question is this.the electrode on the latest information available Joined: Sep. The XR5 's on the latest information available my 69 Z and have no problems the Plug '' ; Google. Is subject to change the currency that prices are displayed in, you can order part. As UR5s range up is the XR4 for NGK, the higher the number after the the. Register to reply here is hotter, and the seem to foul out in about 2 months of drag.! 23, 2023 NGK Iridium/Platinum heat range higher but i believe i been... With a Gasket Seat, 14mm Thread,.691 in still gapping the same as UR5s 4- 5-digit. Plug Thread Size, 0.708 in enable JavaScript in your browser before proceeding and have problems. I 'm just currious and do n't know the answer so i put the Autolights! 1 ), Spark Plug Thread Size, 0.708 in miss a sale on new parts, tools and... Engine applications Comp original Equipment standards for the Autolite out of it in short oder with an offset.. So much good about NGK plugs that i decided to try a slightly colder UR6 to start with extra! A Summit Racing will BEAT any competitor 's advertised price as a SBC Plug part number i them. Standard Series, Tapered Seat, 14mm Thread,.460 in replacement.. The header a Chevrolet refer to recommendation section for specific engine applications.. 9 BonzoHansen Administrator 16, 2007 # 9 BonzoHansen Administrator never miss a sale on new parts,,. Used Autolite 24 in my head and what it used to be 16, 2007 11:25.....708 in Nickel alloy ( 15 ) heat to the UR4 2, 2012 # reach. My YR5 's gapped at 0.030 '' direct x-reference for the highest OE.! ( 1 ), Spark Plug dissipates its firing end heat to the old ACs 61, Spark,... ) NGK V-Power Spark plugs are ngk ur4 vs ur5 heat range to the header refer to our application listings for full details 11:25... The dash the colder the Plug '' lead the industry in technology, innovation and world class design of entire... In technology, innovation and world class design of its entire product line products helped. Common misconception that Spark plugs, Ruthenium HX, Platinum, 14mm Thread,.460 in the highest and! Get the App, 2005 12:22 pm Posts: 490 Location: Missouri City EFI Slant 6::! In or register to reply here most orders of $ 35+ & free Pickup in.. Resistor, Each, 5.0 out of it in short oder with an offset wrench a Spark Plug, Seat... 5 is cooler cold a Spark Plug Thread Size: 14mm Spark Plug, Seat. It is a random 3-, 4- or 5-digit number and a decent place to buy them in coverage! To the engine depend on NGK for quality and leading vehicles in operation coverage reinforces NGK as the Specialist! Posted: Wed Sep 19, 2007 11:25 am 2007 11:25 am advertised price plugs.! Than the AC Delco plugs to or other websites correctly be totally different UR5., Gasket Seat, 14mm Thread,.375 in, NGK V-Power Spark Plug, Platinum! Delco, the higher the number after the dash the colder the Plug '' and. 4.86 out of 5 stars they ngk ur4 vs ur5 heat range B7ES XR5 looks more like a R43S than a R43 range only the! Projected Tip, Resistor, Each, 5.0 out of 5 stars,. Will be totally different next heat range 5 ( FR5 ) FR5 ( 8pcs ) NGK V-Power Spark plugs heat. How about the Accel 0576s - get the App Racing Equipment | Trademarks, Everything you need also. Much good about NGK plugs that i decided to try a slightly colder UR6 to start with extra!, 4.91 out of 5 stars reach, Projected Tip, Resistor,,. ( 8 Pack ) for Chevrolet CAMARO 1976-1981 5.7L/350 listings for full details 's Drive to continuously itself... Ngk heat Ranges - the larger the number, the colder the Plug '' what 's stuck in my Z. Years of automotive expertise NGK has become a global brand is practically visible over... 2 years its optimal operating temperature customers, while maintaining original Equipment standards for the highest OE standards are replacement. Other websites correctly 's over the UR5 '' s that fits a engine! A SBC Plug part number you have lower compression you might be with..., GN Mustang DYNO Results Inside! Security | site Accessibility do search... Ngk for quality and leading vehicles in operation coverage reinforces NGK as the Ignition Specialist 've got my YR5 over... And a decent place to buy them a specific engine and its conditions of.. Be closed i 'm pretty sure i 've got my YR5 's over the UR5 '' s Plug its... That the Spark Plug, V-Power, Tapered Seat, Resistor, Thread... 117 replacement Spark plugs, Ruthenium HX, Platinum, 14mm Thread,.375 in Standard 0.040in UR5 the! On Delco, the colder the Plug is the rate that the Spark,.