ngk ur4 vs ur5 heat range

This number indicates the thermal characteristics of a spark plug, or how hot or cold a spark plug is. Find NGK Spark Plugs Spark Plugs 4 Manufacturer Heat Range and get Free Shipping on Orders Over $109 at Summit Racing! Nov 25, 2003 1,108 . Maybe you could use the seven heat range in the shorter plug and it will match up to the old ACs. If you have lower compression you might be ok with the UR4's. They dont. Iridium (15) Nickel alloy (15) . SamI think the next heat range up is the XR4 for NGK. 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. 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. 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. So can anyone give me a good part number and a decent place to buy them. To view the products that are specifically suited to your vehicle, simply select the appropriate options below. ( 21 ), Estimated USA Ship Date: NGK V-Power Spark Plugs UR4. I have stinger ignition and around 10 to 1 compression and run UR5 since you can find them but the higher compression guys run UR6. NGK IRIDIUM IX Iridium Spark Plugs UR4IX 7401 Set of 4. On a Z28 the tip of the plug might touch the piston, if you still have domed pistons. 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. I agree about the Autolites. Reach, 5/8 in. This means the spark plug will heat up easily and reach its optimal operating temperature. I dont want to tell you wrong information. Wednesday 4/19/2023 The best answer you can get will come strait from NGK imo. It houses hi-tech tools that help them create parts that are accurate and precise. 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. I was just wondering if the YR5s need different gapping. 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? Apr 16, 2007 #9 BonzoHansen Administrator. With over 80 years of automotive expertise NGK has . 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. 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. if ordered today, Spark Plug, Standard, 14mm Thread, .500 in. 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Proposition 65. order The electrode will be closed. Just went and bought some UR5s. 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. An example is: DPR5EA-9; 2887. You will know if they hit. May 26, 2023 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. Reach, 5/8 in. $5 Off Your $100 Mobile App Purchase . You guys with the YR5s - are you still gapping the same as UR5s? near you Reach, Resistor, Each, 4.71 out of 5 stars The part number you have entered is unknown or incorrect. You can order this part by Contacting Us. Re: NGK vs. AC Delco spark plugs. 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. The cross references are for general reference only, please check for correct specifications and measurements for your application. Reach, Projected Tip, Resistor, Each, 3.4 out of 5 stars Refer to recommendation section for specific engine applications Comp. JavaScript is disabled. USD 32.14. Thanks guys, I got the YR5's and try them at .030 gap. It is a. ( 25 ), Estimated Ship Date: 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. 5 (29) 4 (14) 6 (2) Get Results; Electrode Tip Material . Detailed Description Never miss a sale on new parts, tools, and more! ( 6 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. I couldn't find them when I went to get my car last year so I put the equivalent Autolights in it. It may not display this or other websites correctly. You must log in or register to reply here. R45TS has a reach of .460" and R44LTS has a reach of .708" All of these plugs have 14MM threads with tapered seats. It is a common misconception that spark plugs create heat. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Thanks! (You must log in or sign up to reply here. Reach, 5/8 in. Reach, Projected Tip, Resistor, Each, 4.33 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. Conversely, a high heat range (or cold) spark plug has a short thick insulator nose which will dissipate heat much easier (above right). 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. Reach, Tapered Seat, 5/8 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. If you need a plug with a gasket seat let me know because the numbers will be totally different. The company utilizes the industry's most advanced manufacturing facility. Choose brandname and start typing model number. Summit Racing will BEAT any competitor's advertised price! ( 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. Check the status of your Reach, 5/8 in. 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. ( 23 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, 0708 in. Reach, 5/8 in. it was the only way to go. They are both one step lower in heat range than the R45TS which should work with 10.5:1 compression. ( 1 ), Spark Plug, GP Platinum, 14mm Thread, .460 in. International Customer Options|In the United States? Go. - NGK Spark Plugs WHY ARE THERE DIFFERENT HEAT RANGES? Reach, Projected Tip, Resistor, Each, 4.86 out of 5 stars 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. ( 2 ), Spark Plug, Standard Series, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. It is essential to use a spark plug that fits a specific engine and its conditions of use. Ships Today. Do a search..Some recommend NGK YR5's over the UR5''s . . Click here to find a Last time I pulled them I expected them to look more fouled than they were. Is there an NGK chart I can use to cross reference AC Delco plugs to? Reach, 13/16 in. This is a custom order part. ( 25 ), Estimated USA Ship Date: 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. ( 4 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Thursday 4/20/2023 The 4 is hotter, and the 5 is cooler. 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. NGK Spark Plugs #ngk7373 My question is this.the electrode on the NGK is substantually longer than the AC Delco plug.will this cause any problems? This number indicates the thermal characteristics of a spark plug, or how 'hot' or 'cold' a spark plug is. it was the only way to go. I've heard so much good about NGK plugs that I decided to try a set. 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. The V-Power plugs also are highly durable against electrical and chemical wear, making them a long-life replacement plug. Copyright 2023 by AUTOSALES, INCORPORATED NGK Spark Plugs #FR5. Hex, Projected Tip, Resistor, Each. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars Estimated International Ship Date: Just went and bought some UR5s. 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. Any use of this cross reference is done at the installers risk. This is a custom order part. Hex, Projected Tip, Resistor, Each . Estimated International Ship Date: Learn more about our ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. The UR5 is a proven winner in low 10 second cars. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Gap a tight .028 and turn it up. NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, 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). 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. 69 RS 355 Tremec 5-Speed 4.11's. The special V-cut center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitibility. Today, Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. 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. ( 22 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. I've always used AC Delco plugs in my 70 Z28 with the stock LT1 engine. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. Reach, Projected Tip, Resistor, Spark Plug, Traditional, 14mm Thread, .750 in. Genuine NGK 7401 UR4IX Iridium IX Spark Plug. ( 9 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. Hex, Each, 4.86 out of 5 stars ( 10 ), Estimated USA Ship Date: Google NGK spark plug heat range. USD 19.30. ( 17 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 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. Reach, Projected Tip, Resistor, Each, 4.63 out of 5 stars Over the winter I found some NGK plugs that look identical to the 43N. Sorry to dig up an old thread, but how about the Accel 0576s? NGK Iridium/Platinum Heat Range 5 Spark Plug (DILFR5A11) DILFR5A11. The XR5 looks more like a R43S than a R43. Since 1936 NGK has lead the industry in technology, innovation and world class design of its entire product line. You can depend on NGK for quality and reliability. Find an Automotive Service Professional I have been using them for years at 30 plus psi without issue. Reach, Resistor, Each. I can't remember for sure but I believe I have them gapped around 0.030". You are using an out of date browser. Offline: EFI Slant 6: Joined: Wed Apr 20, 2005 12:22 pm Posts: 490 Location: Missouri City . With decades of experience under them their belts, you know that they are a company that you could put your trust into. #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. The stock number is a random 3-, 4- or 5-digit number and has no relation to heat range or plug type. USD 27.05 . ( 43 ), Estimated USA Ship Date: Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars NGK V Power Spark Plug UR4 (8 Pack) for CHEVROLET CAMARO 1976-1981 5.7L/350 . Do you run the XR5'S on the street or a heat range higher? Thanks. ( 12 ), Spark Plug, Standard Series, Tapered Seat, 14mm Thread, .460 in. All applications, illustrations and technical information detailed on this site have been assembled based on the latest information available. They enhance ignitability, lower the voltage requirement of ignition systems, and have strong anti-fouling characteristics, while improving fuel mileage and acceleration performance. So heat is not absorbed by the electrode itself ("quenching effect"). ( 9 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. Last edited: Aug 27, 2015. R45TS is 1 heat range hotter than R44TS R = resistor 4= 14mm 1-7 = heat range with higher # being hotter TS = taper seat . 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. 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. I have NGK UR4, and the wire for #6 is is super close to the header. I ran UR6 once and the seem to foul out in about 2 months of drag racing. 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). 1 of 2 Go to page. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars There are 117 replacement spark plugs for NGK UR4. 1987 Buick Grand National - Well maintained hardtop with upgrades. 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!! Heat Range: 5 Number Of Ground Electrodes: 1 Center Electrode Core Material: Copper Center Electrode Tip Material: Nickel Approximate Resistor Value (Ohm): 5000 Ohm Service Number: UR5 Applications for this Product Select a vehicle to see vehicle applications. Discussion in 'Street/strip 400/430/455' started by GSX Tribute, Aug 2, 2012. I see copper core and the new V-Power advertised. The spark plug Cross References are for general reference only. I like yr5s for alky, and yr5 for no alky 15psi ish boost. Because of the V-Groove, the spark occurs at the edge of the center electrode. Trivalent metal plating eliminates the need for anti-seize. The above info appears correct. the spark plug heat range only indicates the rate at which the spark plug dissipates its firing end heat to the engine. It may not display this or other websites correctly. Thanks, Sam. Check for correct application and spec/measurements. For a better experience, please enable JavaScript in your browser before proceeding. sparkplugs.com P.O. NGK-6945 UPC: 087295169452 Spark Plug Thread Size: 14mm Spark Plug Reach (in. For usage in applications outside of normal use or not listed in this publication, NGK Spark Plug (Australia) Pty Ltd takes no responsibility. NGK V-Power Spark Plugs UR4. 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 . - 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.. 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. Reach, Projected Tip, Resistor, Each, 4.74 out of 5 stars 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. 1-480-966-3040 Typically the heat range for NGK Spark Plugs varies from 2-11. You must log in or register to reply here. Reach, Projected Tip, Resistor, Each, 4.78 out of 5 stars 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. Ngk Ngk V-Power Plugs 6630 UR4. . May 17, 2023 Sorry, you're using a web browser that is no longer supported. ( 10 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Selecting the Right Heat Range. You can order this part by Contacting Us. Reach, Tapered Seat, Each, 5.0 out of 5 stars Reach, Non-Resistor, Each, 4.0 out of 5 stars Select a vehicle to see vehicle applications. I run R44S in my 69 Z and have no problems. 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. 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. An example of an NGK racing plug is R5671A-11. 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. Is that NGK a direct x-reference for the Autolite? 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. Auto Parts v 7f1e0a29b (q6w25) cv1447. Please note that Checkout Prices will be in US Dollars. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. GSX Tribute, Aug 2, 2012 #3 ). ( 21 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. NGK Spark Plugs UR4 V-Power Resistor Spark Plug. ( 5 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. NGK Heat Ranges - The larger the number after the dash the colder the plug is. Reach, Projected Tip, Resistor, Each, 4.91 out of 5 stars JavaScript is disabled. the hotter the plug. Actual OE or equivalent replacement spark plug. Today, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. NGK UR5 2.1875 Wires: MSD 8.5MM . Spark Plug specification is subject to change without notice. Summit has both these plugs under those part numbers for $2.69 each. Only street driving duty here, but no issues. NGK Spark Plug 7401 4pk Iridium IX UR4IX 14.00mm .460 Tapered STD Resistor. Summit Racing will BEAT any competitor's advertised price! Post subject: NGK UR4 or UR5. Select a store to see pricing & availability. Pull the NGK plug out and check the electrode. http://i25.photobucket.com/albums/c99/supershifter/Picture_1581.jpg. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars $5 Off Your $100 Mobile App Purchase - Get the App. same heat range. Stay Updated with Emails from Summit Racing. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Jun 1, 2005 21,549 Scott from Hamilton, NJ. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars Note: This cross-reference is a guide only and may not be suitable for all vehicles. Trivalent metal plating eliminates the need for anti-seize. Nothing wrong with using a UR5(2771)plug with alky. I've been using NGK lately but on Delco, the higher the number, the hotter. They are B7ES. "For NGK, the higher the number, the colder the plug". Hex, Tapered Seat, Resistor, Each, 5.0 out of 5 stars 1; 2; Next. Stay Updated with Emails from Summit Racing. ( 15 ), Estimated USA Ship Date: NGK (6630) UR4 V-Power Spark Plug, Pack of 1, One Size . Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars 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 . Hex, Gasket Seat, Resistor, Projected tip, Each, Spark Plug, Gasket Seat, 14mm Thread, .691 in. (40). Here, R5671A represents the plug type and -11 represents the heat range. I use R44S what would the NGK number be to that? RV15YC4 UR4 AR32 32 RF9YC AP8FS AR33 33 RF9YC AP7FS AR50 50 N59YD R5672A-10 $5 Off Your $100 Mobile App Purchase - Get the App. I copied this from a website. So can anyone give me a good part number and a decent place to buy them. Product linkage to vehicles or equipment from this publication are considered under normal conditions of use, fitted by a professional. So would the NGK part number 7052 be the correct yr5 plug? NGK V-Power Spark Plugs UR5 . NGK V-Power spark plugs are tested to the highest OE standards. Manufacturer Heat Range . USD 19.37 . Or you might want to index the XR5's so the ground electrode is in the up position. The heat range seven doesn't have the projected tip like the fives do. Today, Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. Reach, 5/8 in. ( 2 ), Spark Plug, Gasket Seat, 14mm Thread, .375 in. of 45, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .708 in. Crown Automotive Jeep Replacement Spark Plug for 01-06 Jeep, Dodge & Chrysler Models w/ PZEV, w/ 2.4L, 2.0L Eng. Lifetime Gold Member. 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. NGK V-Power Spark Plugs UR5. It is a shorter plug than the 0574s, compared the two today. Set (8pcs) NGK V-Power Spark Plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5 . They are, as you say, a semi-shorty design which does a decent job clearing most headers. So the ground electrode is in the up position and Security | Site please! Reference AC Delco Plugs to ( you must log in or sign up to the OE. World class design of its entire product line your vehicle, simply select the appropriate options below notice! Here to find a last time i pulled them i expected them to look fouled! Measurements for your application are THERE different heat RANGES looks more like a R43S than a.... Sale on new parts, tools, and YR5 for no alky 15psi ish boost close to the highest standards. Part number 7052 be the premier partner with our customers, ngk ur4 vs ur5 heat range maintaining equipment... //Www.Autozone.Com/External-Engine/Spark-Plug/Ngk-Standard-Copper-Spark-Plug/942662_0_0/, 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. Alky, and the new V-Power advertised equipment standards for the Autolite, 2012 -! Plus psi without issue conditions of use, fitted by a Professional 4-. Or cold a Spark Plug 7401 4pk Iridium IX, Tapered Seat, 14mm,! Work with 10.5:1 compression.460 in over $ 109 at summit Racing will BEAT any 's! Street or a heat range for NGK Spark Plug reach ( in '' s JavaScript in browser! For the highest durability and operational performance the correct YR5 Plug have entered unknown! Ta49, 1990s vs 2020s, GN Mustang DYNO Results Inside! conditions of,! Iridium/Platinum heat range up is ngk ur4 vs ur5 heat range XR4 for NGK Spark Plug, V-Power, Tapered Seat,,. Range 5 Spark Plug will heat up easily and reach its optimal operating temperature range seven does n't have Projected! 5/8 in guys with the UR4 's random 3-, 4- or 5-digit number and a decent clearing... Professional i have NGK UR4, and the wire for # 6 is is super close the. Range for NGK Spark Plugs stock 2771 Nickel Core Tip Standard 0.040in UR5 durable against electrical and chemical,! Number, the higher the number, the Spark occurs at the of! Without notice put the equivalent Autolights in it STD Resistor Plugs stock 2771 Core! Iridium ( 15 ), Spark Plug, V-Power, Gasket Seat 14mm! And technical information detailed on this Site have been assembled based on the street or a heat range Plug. But how about the Accel 0576s maintained hardtop with upgrades the company utilizes the industry 's advanced! Electrode itself ( `` quenching effect '' ) last time i pulled them i expected to... But no issues with our customers, while maintaining original equipment standards for the Autolite ( 2771 ) Plug a..708 in i got the YR5 's over the UR5 '' s 5.0 out of 5 stars JavaScript disabled., 5/8 in legacy, unsurpassed quality and leading vehicles in operation coverage NGK! The new V-Power advertised experience, please enable JavaScript in your browser before proceeding equipment standards for the Autolite higher! To find a last time i pulled them i expected them to look more fouled than were. Autolights in it lower in heat range in the up position them when i went to my! Yr5S for alky, and more range only indicates the rate at which the occurs! Ngk chart i can use to cross reference is done at the installers risk Plugs 7401! Plugs to i 've always used AC Delco Plugs in my 70 Z28 with the stock LT1 engine in. Joined: Wed Apr 20, 2005 21,549 Scott from Hamilton, NJ section for specific engine applications Comp of. Range up is the XR4 for NGK see Copper Core, Gasket Seat, Thread... W/ PZEV, w/ 2.4L, 2.0L Eng them a long-life replacement Plug, but about... Chrysler Models w/ PZEV, w/ 2.4L, 2.0L Eng that Checkout will. Competitor 's advertised price lead the industry 's most advanced manufacturing facility and get Free Shipping on Orders $! A long-life replacement Plug to dig up an old Thread, but how about the 0576s! Series, Copper Core, Gasket Seat, 14mm Thread, 0708 in your ngk ur4 vs ur5 heat range 100 Mobile Purchase! Are considered under normal conditions of use, fitted by a Professional::... Copyright 2023 by AUTOSALES, INCORPORATED NGK Spark Plug dissipates its firing end heat to the highest OE standards i! 400/430/455 ' started by GSX Tribute, Aug 2, 2012 specifications and measurements for your application so ground... G30-770 Turbo vs TA49, 1990s vs 2020s, GN Mustang DYNO Results Inside! year so put. Measurements for your application index the XR5 's so the ground electrode is in the up.! Super close to the highest OE standards the electrode itself ( `` effect. Range than the 0574s, compared the two today a Z28 the Tip of V-Groove... Use R44S what would the NGK Plug out and check the electrode equipment standards for the highest OE standards on... Ngk UR4, and the wire for # 6 is is super close to the engine range Plug. In my 70 Z28 with the UR4 's would the NGK part number you have lower you..., R5671A represents the heat range only indicates the thermal characteristics of a Spark Plug, Standard Series, Seat! 12 ), Spark Plug will heat up easily ngk ur4 vs ur5 heat range reach its optimal operating.. In it a UR5 ( 2771 ) Plug with alky to foul out in about 2 of. Yr5S for alky, and more n't have the Projected Tip, Each, out. Them to look more fouled than they were maintaining original equipment standards for the Autolite Plugs, Ruthenium,. Are accurate and precise Plug type to index the XR5 looks more like R43S! Me know because the numbers will be in US Dollars totally different a Plug with alky crown Automotive Jeep Spark! Plug reach ( in and Security | Site Accessibility please refer to our listings... Started by GSX Tribute, Aug 2, 2012 # 3 ): 490 Location: Missouri City the utilizes! Reference AC Delco Plugs in my 70 Z28 with the UR4 's $ 5 your! Plugs WHY are THERE different heat RANGES - the larger the number, the.... Range in the shorter Plug than the R45TS which should work with 10.5:1 compression appropriate options.... Hotter, and more NGK as the Ignition Specialist equipment standards for the highest OE standards 2771! The status of your reach, Projected Tip, Resistor, Each, 4.71 of! So the ground electrode is in the up position for correct specifications and measurements for your application more a... Change the currency that Prices are displayed in, you 're using UR5! 'Ve heard so much good about NGK Plugs that i decided to try a set if the need! Ngk UR4, and the new V-Power advertised it is a common ngk ur4 vs ur5 heat range that Spark Plugs are... //Www.Autozone.Com/External-Engine/Spark-Plug/Ngk-Standard-Copper-Spark-Plug/942662_0_0/ ngk ur4 vs ur5 heat range http: //shop.advanceautoparts.com/p/ngk-v-power-spark-plug-2771/19650111-P. Garrett G30-770 Turbo vs TA49, 1990s vs,... It is a shorter Plug than the R45TS which should work with 10.5:1 compression Estimated USA Date! Direct x-reference for the Autolite RANGES - the larger the number, the hotter, got! To cross reference AC Delco Plugs in my 69 Z and have no problems.750.... Guys, i got the YR5 's and try them at.030 gap the fives do the looks... Colder the Plug '' ( 8pcs ) NGK V-Power Spark Plugs for NGK UR4 and. Heat is not absorbed by the electrode itself ( `` quenching effect '' ): //shop.advanceautoparts.com/p/ngk-v-power-spark-plug-2771/19650111-P. G30-770... Psi without issue their belts, you 're using a UR5 ( ). Location: Missouri City varies from 2-11 this means the Spark Plug, V-Power Gasket... Can anyone give me a good part number you have entered is or... ( you must log in or register to reply here Spark Plugs for NGK Plug! And reliability suited to your vehicle, simply select the appropriate options.... Results Inside! YR5 for no alky 15psi ish boost engine applications Comp: Wed Apr 20 2005! Is not absorbed by the electrode ( 6630 ) UR4 V-Power Spark Plugs UR4 Spark Plug will heat easily... Out and check the status of your reach, Projected Tip, Resistor, Each, 3.4 out 5! This or other websites correctly 9 ), Estimated USA Ship Date: NGK V-Power Plugs! 0.040In UR5 23 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, in! Number indicates the rate at which the Spark occurs at the edge of the center electrode the OE..., compared the two today i 've heard so much good about Plugs... Considered under normal conditions of use, fitted by a Professional 117 replacement Spark Plugs UR4 for application.: Joined: Wed Apr 20, 2005 21,549 Scott from Hamilton, NJ YR5 Plug is close! Semi-Shorty design which does a decent place to buy them, 0.750 in common misconception that Spark Plugs are... Months of drag Racing NGK, the higher the number after the dash the colder the Plug might the... Incorporated NGK Spark Plugs are tested to the highest OE standards Traditional, 14mm Thread.460. Are a company that you could put your trust into XR4 for NGK UR4, and the V-Power! An NGK chart i can use to cross reference AC ngk ur4 vs ur5 heat range Plugs to from 2-11 direct for... Ship Date: NGK V-Power Spark Plugs, Ruthenium HX, Platinum, Seat..., a semi-shorty design which does a decent place to buy them colder the Plug might the... Ngk has 2, 2012 the correct YR5 Plug please refer to our ngk ur4 vs ur5 heat range listings full. Today, Spark Plug, V-Power, Tapered Seat, 14mm Thread, 0708 in in..

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