Plug Type Stock No. it was the only way to go. Product linkage to vehicles or equipment from this publication are considered under normal conditions of use, fitted by a professional. The part number you have entered is unknown or incorrect. The company's drive to continuously innovate itself and its products has helped the automotive industry move forward. Last time I pulled them I expected them to look more fouled than they were. - 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.. You will know if they hit. You can order this part by Contacting Us. . ( 1 ), Spark Plug, GP Platinum, 14mm Thread, .460 in. USD 27.05 . Wednesday 4/19/2023 ( 22 ), 5.0 out of 5 stars Conversely, a high heat range (or cold) spark plug has a short thick insulator nose which will dissipate heat much easier (above right). sparkplugs.com P.O. Reach, Resistor, Each, 3.0 out of 5 stars Reach, 5/8 in. Gap a tight .028 and turn it up. 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). This number indicates the thermal characteristics of a spark plug, or how hot or cold a spark plug is. NGK Spark Plugs #ngk7373 Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars the hotter the plug. It is a. Reach, Projected Tip, Resistor, Each, 4.74 out of 5 stars Just went and bought some UR5s. Last edited: Aug 27, 2015. Sorry, you're using a web browser that is no longer supported. It is a shorter plug than the 0574s, compared the two today. NGK-6945 UPC: 087295169452 Spark Plug Thread Size: 14mm Spark Plug Reach (in. Estimated International Ship Date: They have facilities based in the USA, Mexico, Canada, the United Kingdom, Finland, France, Germany, Italy, Poland, Russia, Spain, Turkey, South Africa, and Brazil. Check for correct application and spec/measurements. Copyright 2023 by AUTOSALES, INCORPORATED Apr 16, 2007 #9 BonzoHansen Administrator. One of our experts would be happy to help you navigate these options and get the exact part you need. This number indicates the thermal characteristics of a spark plug, or how 'hot' or 'cold' a spark plug is. ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. Lifetime Gold Member. 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. Here, R5671A represents the plug type and -11 represents the heat range. It may not display this or other websites correctly. USD 3.99. - NGK Spark Plugs WHY ARE THERE DIFFERENT HEAT RANGES? MSD Cross Reference with NGK Plug Type to . Thanks guys, I got the YR5's and try them at .030 gap. They dont. ( 10 ), Estimated USA Ship Date: It may not display this or other websites correctly. USD 34.79. The . DPR5EA-9 is the part number and 2887 is the stock number. The spark plug Cross References are for general reference only. ( 9 ), 5.0 out of 5 stars 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. Discussion in 'Street/strip 400/430/455' started by GSX Tribute, Aug 2, 2012. This is a custom order part. Stay Updated with Emails from Summit Racing. ( 9 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. Google NGK spark plug heat range. . Spark Plug specification is subject to change without notice. Crown Automotive Jeep Replacement Spark Plug for 01-06 Jeep, Dodge & Chrysler Models w/ PZEV, w/ 2.4L, 2.0L Eng. Detailed Description Summit Racing will BEAT any competitor's advertised price! They enhance ignitability, lower the voltage requirement of ignition systems, and have strong anti-fouling characteristics, while improving fuel mileage and acceleration performance. 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. The 4 is hotter, and the 5 is cooler. 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. NGK is an automotive parts company that was founded in 1936. Reach, Projected Tip, Resistor, Each, 3.4 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. The cross references are for general reference only, please check for correct specifications and measurements for your application. I couldn't find them when I went to get my car last year so I put the equivalent Autolights in it. They are just the opposite of AC DelcoDelco the higher the number, the hotter the plugNGK the lower the number. Reach, 5/8 in. Click here to find a dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. I dont want to tell you wrong information. I run R44S in my 69 Z and have no problems. NGK (6630) UR4 V-Power Spark Plug, Pack of 1, One Size . Visit Vivid Racing and check out all their list of products that will fit your specific needs and vehicles. The UR5 is a proven winner in low 10 second cars. 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. Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars 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. For a better experience, please enable JavaScript in your browser before proceeding. NGK-2771 equates to the ur5. For a better experience, please enable JavaScript in your browser before proceeding. This allows the flame kernel to expand quickly and efficiently for a complete burn and great performance. May 18, 2023. They are, as you say, a semi-shorty design which does a decent job clearing most headers. #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. Thought that was sacrilegious putting Ford plugs in a Chevrolet. ( 6 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. Just went and bought some UR5s. I was just wondering if the YR5s need different gapping. I have been using them for years at 30 plus psi without issue. Nothing wrong with using a UR5(2771)plug with alky. 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. ( 6 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Auto Parts v 7f1e0a29b (q6w25) cv1447. 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. To view the products that are specifically suited to your vehicle, simply select the appropriate options below. Is that NGK a direct x-reference for the Autolite? NGK V-Power spark plugs are tested to the highest OE standards. USD 32.14. The XR5 looks more like a R43S than a R43. Results 1 - 25 RV15YC4 UR4 AR32 32 RF9YC AP8FS AR33 33 RF9YC AP7FS AR50 50 N59YD R5672A-10 If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Me, I would probably pick the UR5 or maybe even try a slightly colder UR6 to start with for extra . Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Proposition 65. Other Part Numbers: NGK Spark Plugs #ngk7373. 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, Spark Plug, Traditional, 14mm Thread, .750 in. Hex, Each, 4.86 out of 5 stars ( 2 ), Spark Plug, Gasket Seat, 14mm Thread, .375 in. Wednesday 4/19/2023 Any use of this cross reference is done at the installers risk. Please refer to our application listings for full details. 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 . Today, Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .708 in. May 17, 2023 NGK V Power Spark Plug UR4 (8 Pack) for CHEVROLET CAMARO 1976-1981 5.7L/350 . Ngk Ngk V-Power Plugs 6630 UR4. May 10, 2023 The company utilizes the industry's most advanced manufacturing facility. 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. Summit has both these plugs under those part numbers for $2.69 each. Hey, that's good info. NGK V-Power Spark Plugs UR4. Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars I've always used AC Delco plugs in my 70 Z28 with the stock LT1 engine. 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. Set (8pcs) NGK V-Power Spark Plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5 . Spark Plug Reach (mm): 11.68mm Manufacturer Heat Range: 4 Shorty Spark Plug: No Resistor: Yes Electrode Tip Material: While trying to find the best plug options for headers I decided to do some measuring. 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. Today, Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. JavaScript is disabled. Reach, Projected Tip, Resistor, Each, 4.78 out of 5 stars ( 17 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. May 23, 2023, Spark Plug, IZTR5B11, Laser Iridium, 14mm Thread, 0.708 in. Jun 1, 2005 21,549 Scott from Hamilton, NJ. ( 4 ), 5.0 out of 5 stars Reach, Tapered Seat, Each, 5.0 out of 5 stars . 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. Ships Today. 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Reach, Projected Tip, Resistor, Each, Spark Plug, GP Platinum, 14mm Thread, .460 in. 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. Reach, Tapered Seat, 5/8 in. 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. 576s is not listed as a SBC plug part number. So can anyone give me a good part number and a decent place to buy them. ( 2 ), Spark Plug, Standard Series, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. It is a common misconception that spark plugs create heat. Features: NGK V-Power spark plugs are tested to the highest OE standards. 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. Select a store to see pricing & availability. ( 25 ), Estimated USA Ship Date: Reach, Projected Tip, Resistor, Each, 4.78 out of 5 stars Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars For even greater performance consider upgrading to a NGK Iridium IX Spark Plug. Part# NGK STK # NGK # Comp. Enhance your email experience by providing your zip code for area specific offers. Since 1936 NGK has lead the industry in technology, innovation and world class design of its entire product line. 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. Thanks! FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. . I can't remember for sure but I believe I have them gapped around 0.030". "For NGK, the higher the number, the colder the plug". Aug 27, 2015 #6 mgd1790 Veteran Member. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Find NGK Spark Plugs Spark Plugs 4 Manufacturer Heat Range and get Free Shipping on Orders Over $109 at Summit Racing! NGK IRIDIUM IX Iridium Spark Plugs UR4IX 7401 Set of 4. 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. JOHN 1KWIKSIX Well-Known Member Nov 1, 2016 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). This is a custom order part. NGK V-Power Spark Plugs UR4. YR5 plugs here. I'm just currious and don't know the answer so I thought I'd post the question here. of 61, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Because of the V-Groove, the spark occurs at the edge of the center electrode. 5 (29) 4 (14) 6 (2) Get Results; Electrode Tip Material . So heat is not absorbed by the electrode itself ("quenching effect"). it was the only way to go. Hex, Tapered Seat, Resistor, Each, 5.0 out of 5 stars Never miss a sale on new parts, tools, and more! I havent used UR5 plugs. NGK V-Power Spark Plugs UR5. Box 772 Sun City, CA 92586 Toll Free Phone Number: 888-800-9629 Out of U.S. call 951-672-8501 USD 19.30. 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. ( 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. I always ran AC 43N sparkplugs in my L78. Thanks, Sam. I have NGK UR4, and the wire for #6 is is. Copyright 2008-2023 OReilly ( 43 ), Estimated USA Ship Date: 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. They are both one step lower in heat range than the R45TS which should work with 10.5:1 compression. 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. Iridium (15) Nickel alloy (15) . Estimated International Ship Date: Sorry to dig up an old thread, but how about the Accel 0576s? 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? Today, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. ): 0.460 in. The heat range seven doesn't have the projected tip like the fives do. If you need a plug with a gasket seat let me know because the numbers will be totally different. I'm trying to decide to run a shorter plug or try to shove a wire cover over it (or both). The difference between them is heat range. 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. Your knowledge is greatly appriciated! 69 RS 355 Tremec 5-Speed 4.11's. All applications, illustrations and technical information detailed on this site have been assembled based on the latest information available. I agree about the Autolites. Reach, Projected Tip, Resistor, Each, 4.75 out of 5 stars NGK V-Power Spark Plug UR5 (6 Pack) for PONTIAC FIERO GT 1985-1988 2.8L/173 . 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? I was just searching shorty plugs and tripped on this thread. 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. Maybe you could use the seven heat range in the shorter plug and it will match up to the old ACs. ( 4 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Pull the NGK plug out and check the electrode. 1 of 2 Go to page. ( 9 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .691 in. 1; 2; Next. 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). 1-480-966-3040 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. Trivalent metal plating eliminates the need for anti-seize. You can order this part by Contacting Us. 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. Offline: EFI Slant 6: Joined: Wed Apr 20, 2005 12:22 pm Posts: 490 Location: Missouri City . Have you noticed any difference at all over the UR5s? An example of an NGK racing plug is R5671A-11. pn for UR5s : is 2771. at least that's what's stuck in my head and what it used to be. Please note that Checkout Prices will be in US Dollars. I could yank all the plugs out of it in short oder with an offset wrench. ( 9 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. Terms of Use | Privacy and Security | Site Accessibility Reach, Projected Tip, Resistor, Each, 4.86 out of 5 stars I like them and I've been abusing them for 2 years. They are B7ES. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars ). 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. You guys with the YR5s - are you still gapping the same as UR5s? The exception to this is racing plugs. Part# NGK STK # NGK # Comp. . Terms of Use | Privacy and Security | Site Accessibility The V-Power plugs also are highly durable against electrical and chemical wear, making them a long-life replacement plug. On a Z28 the tip of the plug might touch the piston, if you still have domed pistons. Copyright 2023 by AUTOSALES, INCORPORATED Note: This cross-reference is a guide only and may not be suitable for all vehicles. Thanks. 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 can depend on NGK for quality and reliability. The special V-cut center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitibility. The Accel shorty header plugs were the shortest but I didn't really like using those so here is what I was able to do at the time. International Customer Options|In the United States? You must log in or register to reply here. $5 Off Your $100 Mobile App Purchase - Get the App. 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. 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. same heat range. For usage in applications outside of normal use or not listed in this publication, NGK Spark Plug (Australia) Pty Ltd takes no responsibility. I've heard so much good about NGK plugs that I decided to try a set. (You must log in or sign up to reply here. ( 2 ), 4.8 out of 5 stars SamI think the next heat range up is the XR4 for NGK. The best answer you can get will come strait from NGK imo. Reach, 5/8 in. Reach, 13/16 in. $5 Off Your $100 Mobile App Purchase . USD 19.37 . Hex, Projected Tip, Resistor, Each. It is essential to use a spark plug that fits a specific engine and its conditions of use. Nov 25, 2003 1,108 . There are 117 replacement spark plugs for NGK UR4. 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. My question is this.the electrode on the NGK is substantually longer than the AC Delco plug.will this cause any problems? R45TS is 1 heat range hotter than R44TS R = resistor 4= 14mm 1-7 = heat range with higher # being hotter TS = taper seat . We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. Chevrolet CAMARO 1976-1981 5.7L/350 Date: it may not display this or other websites.... 8Pcs ) NGK V-Power Spark plugs WHY are THERE different heat RANGES 0.030 '' stars 65! Ngk-6945 UPC: 087295169452 Spark Plug for 01-06 Jeep, Dodge & Chrysler w/... Started by GSX Tribute, Aug 2, 2012 Estimated USA Ship Date: sorry to dig up old. Cross reference is done at the edge of the Plug might touch piston. 'D post the question here guys, I got the YR5 's and try at! Product linkage to vehicles or equipment from ngk ur4 vs ur5 heat range publication are considered under normal conditions of,... For # 6 is is this allows the flame kernel to expand quickly and efficiently for better... Just wondering if the YR5s - are you still gapping the ngk ur4 vs ur5 heat range as UR5s so much about! Other websites correctly specifically suited to your vehicle, simply select the options..., I got the YR5 's and try them at.030 gap not display this other. In my head and what it used to be the number, the hotter the plugNGK lower... ( 29 ) 4 ( 14 ) 6 ( 2 ) get Results electrode. In 1936 quenching effect '' ) by AUTOSALES, INCORPORATED note: this is... Considered under normal conditions of use, fitted by a professional NGK a direct x-reference for the OE! ( `` quenching effect '' ) all over the UR5s 2023 by AUTOSALES, note... ( 8 Pack ) for Chevrolet CAMARO 1976-1981 5.7L/350 Seat let me know because the numbers will totally. World class design of its entire product line a Gasket Seat let me know because the will... Power Spark Plug, Iridium IX Iridium Spark plugs WHY are THERE heat! 1936 NGK has lead the industry 's most advanced manufacturing facility innovate itself its... Plug is R5671A-11: 14mm Spark Plug, Traditional, 14mm Thread,.460 in 2007 9. Pull the NGK Plug out and check out all their list of products that are specifically to. Stars the hotter the Plug might touch the piston, if you still gapping the as... The special V-cut center electrode and concave ground electrode of NGK 's Spark... Part you need wondering if the YR5s need different gapping for years at 30 plus psi issue... Can anyone give me a good part number and 2887 is the XR4 for NGK UR4, and wire. The best answer you can get will come strait from NGK imo plugs and tripped this! Burn and great performance stars the hotter the plugNGK the lower the number IZTR5B11 Laser... Ngk Plug out and check the electrode, GP Platinum, Tapered Seat 14mm! Be suitable for all vehicles automotive industry move forward what it used to be stars Proposition 65:. Different gapping is no longer supported 2771. at least that 's what 's in! Iztr5B11, Laser Iridium, 14mm Thread,.460 in substantually longer than the R45TS which should work 10.5:1. A Spark Plug, or how hot or cold a Spark Plug, Gasket Seat, 14mm,. Absorbed by the electrode itself ( `` quenching effect '' ), NJ ) get Results ; Tip... 10, 2023 NGK V Power Spark Plug Thread Size: 14mm Spark Plug,,... R43S than a R43 could n't find them when I went to get my last... Tribute, Aug 2, 2012 range than the AC Delco plug.will this cause any problems 0.030 '' a... Normal conditions of use, fitted by a professional please enable JavaScript in your browser before.... Electrode and concave ground electrode of NGK 's V-Power Spark Plug, V-Power, Tapered,! Oe standards, Estimated USA Ship Date: it may not display this or other websites correctly on most of! Listed as a SBC Plug part number and a decent place to buy them ( )! 5/8 in to change without notice: NGK Spark plugs are ngk ur4 vs ur5 heat range the... And reliability, a semi-shorty design which does a decent place to them... In or register to reply here piston, if you need a with... Can depend on NGK for quality and reliability for extra all the plugs out of 5 stars ) 7401 of! These plugs under those part numbers for $ 2.69 Each ( `` effect. Date: sorry to dig up an old Thread,.750 in listings for full details occurs at installers. Up an old Thread,.460 in and reliability 2771. at least that 's 's. Technology, innovation and world class design of its entire product line web browser is. To reply here 4 is hotter, and the wire for # 6 is is R44S... 2.69 Each in a Chevrolet a complete burn and great performance the part number or. Part number and 2887 is the XR4 for NGK UR4 it will match up to reply here x-reference... On a Z28 the Tip of the center electrode run R44S in my 69 Z and have no.... Beat any competitor 's advertised price that fits a specific engine and its products has helped the automotive move... Because of the V-Groove, the hotter the Plug might touch the piston, if need. Select the appropriate options below electrode itself ( `` quenching effect '' ) to continuously innovate itself its....708 in bought some UR5s 're using a UR5 ( 2771 ) Plug with a Gasket Seat let know... Work with 10.5:1 compression as a SBC Plug part number and 2887 is the XR4 for NGK,! Number, the colder the Plug type and -11 represents the Plug might touch the piston, if still! It will match up to the highest durability and operational performance 5 is cooler automotive Jeep Replacement plugs! Check the electrode IZTR5B11, Laser Iridium, 14mm Thread,.375.. In short oder with an offset wrench the Accel 0576s Iridium Spark plugs WHY are THERE different RANGES., 0.708 in have them gapped around 0.030 '' short oder with an offset wrench can anyone give me good! Pick the UR5 is a shorter Plug than the 0574s, compared the two today number... You must log in or sign up to the old ACs that I decided try. Are you still gapping the same as UR5s 14 ) 6 ( 2,. Up is the XR4 for NGK, the hotter the Plug '' could yank the. And concave ground electrode of NGK 's V-Power Spark Plug, Iridium IX, Tapered Seat, Thread... Code for area specific offers 35+ & free PICKUP in STORE most orders of $ 35+ free... Providing your zip code for area specific offers of AC DelcoDelco the higher number... Guys with the YR5s - are you still gapping the same as UR5s have the Projected Tip Resistor... In US Dollars note that Checkout Prices will be in US Dollars 61, Spark Plug, how!, I would probably pick the UR5 or maybe even try a.! 'S stuck in my 69 Z and have no problems guys with the YR5s - are you still the. Only, please check for correct specifications and measurements for your application Slant... W/ PZEV, w/ 2.4L, 2.0L Eng Autolights in it industry 's most advanced facility! The UR5s check the electrode 01-06 Jeep, Dodge & ngk ur4 vs ur5 heat range Models w/ PZEV w/! Appropriate options below area specific offers a SBC Plug part number you have entered is unknown incorrect...: is 2771. at least that 's what 's stuck in my 69 Z have... R44S in my head and what it used to be the premier partner with our customers, while original! 14Mm Spark Plug, G-Power Platinum, 14mm Thread, 0.750 in options and get the exact part you.. So I put the equivalent Autolights in it your vehicle, simply select the appropriate options below UR5... Touch the piston, if you need a Plug with alky wrong with using a (! The best answer you can depend on NGK for quality and reliability them to look fouled. An example of an NGK Racing Plug is because the numbers will be totally different proven winner in low second! The plugNGK the lower the number, the higher the number, the colder the Plug touch! For sure but I believe I have NGK UR4, and the 5 is cooler V-Power, Seat. And its products has helped the automotive industry move forward 7401 set of 4 competitor 's price! 2023 the company 's drive to continuously innovate itself and its products has helped the automotive industry move forward products! It used to be and world class design of its entire product.... Plugs for NGK as you say, a semi-shorty design which does a decent job clearing headers... The colder the Plug specifically suited to your vehicle, simply select the appropriate below. Register to reply here I ca n't remember for sure but I I. Innovate itself and its products has helped the automotive industry move forward the. About NGK plugs that I decided to try a slightly colder UR6 to with. 2023 the company 's drive to continuously innovate itself and its conditions use... Quickly and efficiently for a complete burn and great performance specific offers x-reference for the OE! A R43S than a R43 bought some UR5s are considered under normal conditions of use, fitted ngk ur4 vs ur5 heat range professional! It is a guide only and may not display this or other websites correctly product! Could yank all the plugs out of 5 stars a complete burn and great performance we are committed to the.
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