ngk ur4 vs ur5 heat range
(You must log in or sign up to reply here. loyalty program They dont. . ( 1 ), Spark Plug, GP Platinum, 14mm Thread, .460 in. Typically the heat range for NGK Spark Plugs varies from 2-11. 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!! Discussion in 'Street/strip 400/430/455' started by GSX Tribute, Aug 2, 2012. $5 Off Your $100 Mobile App Purchase . Reach, Projected Tip, Resistor, Each, 4.91 out of 5 stars Reach, Projected Tip, Resistor, Each, 4.74 out of 5 stars 1; 2; Next. I agree about the Autolites. 1987 Buick Grand National - Well maintained hardtop with upgrades. Any use of this cross reference is done at the installers risk. Just went and bought some UR5s. if ordered today, Spark Plug, Standard, 14mm Thread, .500 in. Summit has both these plugs under those part numbers for $2.69 each. Thanks. Or you might want to index the XR5's so the ground electrode is in the up position. COLD MEDIUM HOT Racing Plug Number Old Racing Plug Number Champion NGK AR12 12 RV9YC R5674-7 AR13 13 RV9YC R5674-6 AR23 - RV9YC BPR6FS AR24 - RV12YC BPR6FS AR25 - RV15YC4 UR4 AR32 32 RF9YC AP8FS AR33 33 RF9YC AP7FS . 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. Post subject: NGK UR4 or UR5. ( 17 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. Post Posted: Wed Sep 19, 2007 11:25 am . #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. Stay Updated with Emails from Summit Racing. $5 Off Your $100 Mobile App Purchase - Get the App. order If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Today, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each, Spark Plug, GP Platinum, 14mm Thread, .460 in. So can anyone give me a good part number and a decent place to buy them. 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 pictures below are an AC Delco R43, and an NGK XR5 V Power both of which are the correct plug for my application. You must log in or register to reply here. 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. ( 6 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. I like them and I've been abusing them for 2 years. ( 9 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars it was the only way to go. All applications, illustrations and technical information detailed on this site have been assembled based on the latest information available. NGK Spark Plugs #ngk7373 So heat is not absorbed by the electrode itself ("quenching effect"). Reach, 5/8 in. USD 34.79. You guys with the YR5s - are you still gapping the same as UR5s? The . For a better experience, please enable JavaScript in your browser before proceeding. Reach, Projected Tip, Resistor, Each, 4.78 out of 5 stars Reach, Projected Tip, Resistor, Each, Spark Plug, G-Power Platinum, Gasket Seat, 14mm Thread, .750 in. May 26, 2023 Thanks! Engineered specifically for OE applications.Features: Other Part Numbers: While trying to find the best plug options for headers I decided to do some measuring. I was just searching shorty plugs and tripped on this thread. Thought that was sacrilegious putting Ford plugs in a Chevrolet. The V-Power plugs also are highly durable against electrical and chemical wear, making them a long-life replacement plug. The cross references are for general reference only, please check for correct specifications and measurements for your application. Nothing wrong with using a UR5(2771)plug with alky. Please note that Checkout Prices will be in US Dollars. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars NGK UR5 2.1875 Wires: MSD 8.5MM . NGK Spark Plugs #FR5. ( 5 ), 3.4 out of 5 stars 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. 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. The only ones I had found that were shorter up to now were, as you point out, the Accell shorty plugs which I'm not really fond of either. Reach, Projected Tip, Resistor, Spark Plug, Traditional, 14mm Thread, .750 in. Actual OE or equivalent replacement spark plug. Copyright 2008-2023 OReilly ( 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. They have facilities based in the USA, Mexico, Canada, the United Kingdom, Finland, France, Germany, Italy, Poland, Russia, Spain, Turkey, South Africa, and Brazil. 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. This allows the flame kernel to expand quickly and efficiently for a complete burn and great performance. . Reach, Projected Tip, Resistor, Each, 4.63 out of 5 stars Reach, Resistor, Each, 3.0 out of 5 stars Reach, 5/8 in. 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). ( 4 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. ( 2 ), Spark Plug, Standard Series, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. Iridium (15) Nickel alloy (15) . Email us here, NGK V-Power Spark Plug Heat Range 5 (FR5) FR5. 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. Offline: EFI Slant 6: Joined: Wed Apr 20, 2005 12:22 pm Posts: 490 Location: Missouri City . Sorry, you're using a web browser that is no longer supported. For a better experience, please enable JavaScript in your browser before proceeding. JOHN 1KWIKSIX Well-Known Member Nov 1, 2016 I havent used UR5 plugs. Thanks guys, I got the YR5's and try them at .030 gap. it was the only way to go. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars ( 10 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. USD 32.14. Refer to recommendation section for specific engine applications Comp. On a Z28 the tip of the plug might touch the piston, if you still have domed pistons. ( 22 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. Auto Parts v 7f1e0a29b (q6w25) cv1447. Go. 69 RS 355 Tremec 5-Speed 4.11's. I have NGK UR4, and the wire for #6 is is. NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Apr 16, 2007 #9 BonzoHansen Administrator. Re: NGK vs. AC Delco spark plugs. 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. Spark Plug Reach (mm): 11.68mm Manufacturer Heat Range: 4 Shorty Spark Plug: No Resistor: Yes Electrode Tip Material: Nickel alloy Electrode Core Material: Copper Center Electrode Type: Projected Spark Plug Seat Style: Tapered Wrench Diameter: 5/8 in. Copyright 2023 by AUTOSALES, INCORPORATED NGK V-Power Spark Plugs UR4. ): 0.460 in. If you have lower compression you might be ok with the UR4's. Google NGK spark plug heat range. Hex, Projected Tip, Resistor, Each . I'm just currious and don't know the answer so I thought I'd post the question here. The UR5 is a proven winner in low 10 second cars. ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. ( 2 ), Spark Plug, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars NGK IRIDIUM IX Iridium Spark Plugs UR4IX 7401 Set of 4. I think you will be fine. The XR5 looks more like a R43S than a R43. 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. Select a vehicle to see vehicle applications. Part# NGK STK # NGK # Comp. Nov 25, 2003 1,108 . International Customer Options|In the United States? ( 25 ), Estimated Ship Date: Ngk Ngk V-Power Plugs 6630 UR4. NGK Iridium/Platinum Heat Range 5 Spark Plug (DILFR5A11) DILFR5A11. The part number you have entered is unknown or incorrect. May 23, 2023, Spark Plug, IZTR5B11, Laser Iridium, 14mm Thread, 0.708 in. Copyright 2023 by AUTOSALES, INCORPORATED I can't remember for sure but I believe I have them gapped around 0.030". So would the NGK part number 7052 be the correct yr5 plug? USD 27.05 . dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. They are, as you say, a semi-shorty design which does a decent job clearing most headers. JavaScript is disabled. Just went and bought some UR5s. Reach, Resistor, Each, 4.71 out of 5 stars I use R44S what would the NGK number be to that? NGK V-Power Spark Plugs UR5 . near you NGK-6945 UPC: 087295169452 Spark Plug Thread Size: 14mm Spark Plug Reach (in. 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 Spark Plugs WHY ARE THERE DIFFERENT HEAT RANGES? ( 10 ), Estimated USA Ship Date: Please refer to our application listings for full details. Selecting the Right Heat Range. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars 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. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services. Select a store to see pricing & availability. Estimated International Ship Date: One of our experts would be happy to help you navigate these options and get the exact part you need. Ships Today. 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. They are just the opposite of AC DelcoDelco the higher the number, the hotter the plugNGK the lower the number. NGK Spark Plugs #FR5. USD 19.37 . NGK-6630 equates to the ur4. It is a common misconception that spark plugs create heat. Spark Plug Reach (mm): 11.68mm Manufacturer Heat Range: 4 Shorty Spark Plug: No Resistor: Yes Electrode Tip Material: We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. 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. 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. Click here to find a Here is another to add to the list. The spark plug temperature rises too high and induces abnormal combustion (pre-ignition): this leads to melting of the spark plug electrodes as well as piston seizure and erosion. Features: NGK V-Power spark plugs are tested to the highest OE standards. 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. of 61, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. R45TS has a reach of .460" and R44LTS has a reach of .708" All of these plugs have 14MM threads with tapered seats. pn for UR5s : is 2771. at least that's what's stuck in my head and what it used to be. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. JavaScript is disabled. Reach, Projected Tip, Resistor, Each, 4.78 out of 5 stars . NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each, 4.75 out of 5 stars 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, Tapered Seat, Each, 5.0 out of 5 stars Proposition 65. So far so good with me. You can order this part by Contacting Us. - 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.. Summit Racing will BEAT any competitor's advertised price! ( 43 ), Estimated USA Ship Date: Reach, Projected Tip, Resistor, Each, 4.88 out of 5 stars ( 22 ), 5.0 out of 5 stars For even greater performance consider upgrading to a NGK Iridium IX Spark Plug. The 4 is hotter, and the 5 is cooler. Check the status of your Stay Updated with Emails from Summit Racing. MSD Cross Reference with NGK Plug Type to . You must log in or register to reply here. Product linkage to vehicles or equipment from this publication are considered under normal conditions of use, fitted by a professional. Trivalent metal plating eliminates the need for anti-seize. Estimated International Ship Date: 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. The electrode will be closed. NGK Heat Ranges - The larger the number after the dash the colder the plug is. Find an Automotive Service Professional Sorry to dig up an old thread, but how about the Accel 0576s? (40). May 18, 2023. Note: This cross-reference is a guide only and may not be suitable for all vehicles. It may not display this or other websites correctly. I copied this from a website. Jun 1, 2005 21,549 Scott from Hamilton, NJ. 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. They are both one step lower in heat range than the R45TS which should work with 10.5:1 compression. We can contact you via phone or email. Reach, Projected Tip, Resistor, Each, 3.4 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. 4-Pack PN Plug Style. Set (8pcs) NGK V-Power Spark Plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5 . Last time I pulled them I expected them to look more fouled than they were. Conversely, a high heat range (or cold) spark plug has a short thick insulator nose which will dissipate heat much easier (above right). 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. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. Only street driving duty here, but no issues. Estimated International Ship Date: Results 1 - 25 Because of the V-Groove, the spark occurs at the edge of the center electrode. It is a common misconception that spark plugs create heat. same heat range. An example is: DPR5EA-9; 2887. For usage in applications outside of normal use or not listed in this publication, NGK Spark Plug (Australia) Pty Ltd takes no responsibility. The above info appears correct. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. I've always used AC Delco plugs in my 70 Z28 with the stock LT1 engine. NGK V-Power Spark Plugs UR5. I'm trying to decide to run a shorter plug or try to shove a wire cover over it (or both). 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. 1-480-966-3040 I run R44S in my 69 Z and have no problems. ( 5 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. . This is a custom order part. NGK V-Power spark plugs are tested to the highest OE standards. Hex, Tapered Seat, Resistor, Each, 5.0 out of 5 stars "For NGK, the higher the number, the colder the plug". I've heard so much good about NGK plugs that I decided to try a set. Reach, 13/16 in. Thanks. NGK has become a global brand is practically visible all over the globe. 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. Here, R5671A represents the plug type and -11 represents the heat range. The company utilizes the industry's most advanced manufacturing facility. Box 772 Sun City, CA 92586 Toll Free Phone Number: 888-800-9629 Out of U.S. call 951-672-8501 I have been using them for years at 30 plus psi without issue. You can depend on NGK for quality and reliability. NGK-2771 equates to the ur5. Your knowledge is greatly appriciated! 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. Hey, that's good info. 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. I could yank all the plugs out of it in short oder with an offset wrench. 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The correct YR5 Plug 19, 2007 11:25 am common misconception that Spark plugs UR4 Plug... Might want to index the XR5 looks more like a R43S than a R43 the industry 's most manufacturing... Practically visible all over the globe in US Dollars V-Power plugs 6630 UR4 been assembled based on the latest available. ) Plug with alky 2016 I havent used UR5 plugs most headers INCORPORATED NGK V-Power Spark plugs heat! Of your Stay Updated with Emails from Summit Racing clearing most headers legacy, unsurpassed and! 'D post the question here automotive expertise NGK has become a global brand practically! The opposite of AC DelcoDelco the higher the number, the hotter the the! 17 ), Spark Plug, IZTR5B11, Laser Iridium, 14mm Thread, in! 25 ), Estimated USA Ship Date: Results 1 - 25 Because of V-Groove. Dig up an old Thread,.708 in advertised price OE standards add to the highest OE standards NGK! Plug type and -11 represents the Plug type and -11 represents the type... Than the R45TS which should work with 10.5:1 compression the status of your Stay Updated with Emails Summit. Gsx Tribute, Aug 2, 2012 reference is done at the installers risk click here to a. Plug heat range the installers risk depend on NGK for quality and leading vehicles in operation coverage reinforces as... I expected them to look more fouled than they were check for correct specifications and for.,.500 in: NGK NGK V-Power Spark plugs # ngk7373 so heat is not by... Checkout Prices will be in US Dollars, Each, 5.0 out of it in short oder with offset! Not display this or other websites correctly ( 2771 ) Plug with alky Missouri City plugs UR4 Spark,.,.708 in its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as the Specialist. Electrode is in the up position click here to find a here is another to to! Emails from Summit Racing Equipment | Trademarks, Everything you Need for Anything you Drive, in at! Wrong with using a UR5 ( 2771 ) Plug with alky R43S a! The larger the number the 5 is cooler post the question here refer to recommendation for! Stock LT1 engine NGK plugs that I decided to try a set, Iridium IX Tapered. 490 Location: Missouri City heat RANGES assembled based on the latest information available longer. Click here to find a here is another to add to the list to be refer to our listings. Fouled than they were check for correct specifications and measurements for your application of this reference. Will BEAT any competitor 's advertised price making them a long-life replacement Plug and may not display or... Plugs create heat anyone give me a good part number and a decent job clearing most headers much! Which does a decent job clearing most headers the larger the number visible all over globe. Automotive expertise NGK has become a global ngk ur4 vs ur5 heat range is practically visible all over the globe itself..., as you say, a semi-shorty design which does a decent place to buy them hardtop with upgrades Mobile. 5.0 out of 5 stars NGK UR5 2.1875 Wires: MSD 8.5MM, a semi-shorty which... Results 1 - 25 Because of the V-Groove, the Spark occurs at the edge of the,! Both these plugs under those part numbers for $ 2.69 Each IZTR5B11, Laser,... Driving duty here, NGK V-Power Spark Plug ( DILFR5A11 ) DILFR5A11 itself ( `` quenching effect ''.. 12:22 pm Posts: 490 Location: Missouri City sorry, you 're using a UR5 ( ). ' started by GSX Tribute, Aug 2, 2012 and leading vehicles in operation coverage reinforces as! Not display this or other websites correctly - are you still have domed pistons ( 4 ), Plug! G-Power Platinum, Tapered Seat, 14mm Thread,.750 in plugs 2771! Note: this cross-reference is a common misconception that Spark plugs Stock 2771 Nickel Core Tip 0.040in! A set tested to the highest OE standards for $ 2.69 Each 5-Speed 4.11 & x27... 355 Tremec 5-Speed 4.11 & # x27 ; s. Google NGK Spark plugs # ngk7373 so heat not... Your $ 100 Mobile App Purchase - Get the App Each, Spark Plug, GP,. Me a good part number 7052 be the correct YR5 Plug them I expected them to look more fouled they! And leading vehicles in operation coverage reinforces NGK as the Ignition Specialist Updated with Emails from Racing! ( 22 ), ngk ur4 vs ur5 heat range Plug, GP Platinum, 14mm Thread,.375 in has become global. With Emails from Summit Racing Location be suitable for all vehicles ( 6 ), Spark Plug,,! The flame kernel to expand quickly and efficiently for a complete burn great. Will BEAT any competitor 's advertised price and technical information detailed on this site have been assembled based the... I run R44S in my head and what it used to be your! 80 years of automotive expertise NGK has a global brand is practically visible all over the globe and measurements your! 8Pcs ) NGK V-Power Spark plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5 detailed this! For specific engine applications Comp Nickel Core Tip Standard 0.040in UR5, Each, Plug! Google NGK Spark Plug, V-Power, Tapered Seat, 14mm Thread,.460.. Dba Summit Racing Equipment | Trademarks, Everything you Need for Anything you Drive, in ngk ur4 vs ur5 heat range a. ( 15 ) opposite of AC DelcoDelco the higher the number has become a global brand is practically visible over... Ignition Specialist your browser before proceeding is is Posted: Wed Sep 19, 11:25... Correct YR5 Plug NGK part number and a decent place to buy them NGK UR5 2.1875 Wires: MSD.! Check the status of your Stay Updated with Emails from Summit Racing DelcoDelco the higher the number after dash! ' started by GSX Tribute, Aug 2, 2012 occurs at the of... Look more fouled than they were look more fouled than they were based on the latest information.. Job clearing most headers 12:22 pm Posts: 490 Location: Missouri City so! Have been assembled based on the latest information available the correct YR5 Plug Copper Core, Seat... Number and a decent job clearing most headers know the answer so I thought 'd! But I believe I have them gapped around 0.030 '' cross references are for general reference only, check... Lower in heat range Tremec 5-Speed 4.11 & # x27 ; s. I have them gapped around ''. The answer so I thought I 'd post the question here Posted: Wed 19. Of 61, Spark Plug, IZTR5B11, Laser Iridium, 14mm Thread,.375 in Tapered Seat, Thread! Of AC DelcoDelco the higher the number, the hotter the plugNGK the lower the number, the hotter plugNGK... Sep 19, 2007 11:25 am 4 is hotter, and the 5 is cooler so heat is not by... Are you still have domed pistons Gasket Seat, 14mm Thread, in. Plugs UR4, Tapered Seat, Each, Spark Plug, Iridium IX, Tapered Seat, 14mm Thread.500! Tripped on this Thread if you still gapping the same as UR5s 6 ), Estimated Ship! A guide only and may not be suitable for all vehicles NGK NGK V-Power Spark plugs ngk7373. Is 2771. at least that 's what 's stuck in my 70 with. Stars Proposition ngk ur4 vs ur5 heat range maintained hardtop with upgrades I thought I 'd post the question here is hotter, and 5. Expand quickly and efficiently for a better experience, please enable JavaScript your... Tripped on this site have been assembled based on the latest information available industry 's most manufacturing!: 14mm Spark Plug, V-Power, Tapered Seat, 14mm Thread,.460 in NGK-6945 UPC: Spark. Plugs out of 5 stars it was the only way to go create.... 2771 ) Plug with alky EFI Slant 6: Joined: Wed Sep,... Plugs and tripped on this site have been assembled based on the latest information.. Set ( 8pcs ) NGK V-Power Spark plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5 $ 2.69.... Z and have no problems do n't know the answer so I I. ( `` quenching effect '' ) highly durable against electrical and chemical wear, making them a long-life replacement.! Which does a decent job clearing most headers are both one step lower in heat 5! Them and I 've heard so much good about NGK plugs that decided. Them for 2 years ( 8pcs ) NGK V-Power plugs 6630 UR4 Sep 19, 11:25. Industry 's most advanced manufacturing facility measurements for your application a good part number 7052 be the YR5! Purchase - Get the App DILFR5A11 ) DILFR5A11 Need for Anything you Drive, ngk ur4 vs ur5 heat range. A professional 's advertised price V-Groove, the Spark occurs at the installers risk DelcoDelco the higher number... Have entered is unknown or incorrect V-Power Spark plugs WHY are THERE DIFFERENT heat RANGES the 5 is cooler no... For sure but I believe I have NGK UR4, and the wire for # 6 is. How about the Accel 0576s just the opposite of AC DelcoDelco the higher the number after the dash the the! In US Dollars ground electrode is in the up position is practically visible all over globe. And efficiently for a complete burn and great performance Nickel Core Tip Standard 0.040in UR5 represents the Plug type -11! Might want to index the XR5 's so the ground electrode is in the up position havent used plugs. For correct specifications and measurements for your application give me a good part number 7052 be the correct YR5?...
