( 5 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. Do you run the XR5'S on the street or a heat range higher? ( 5 ), 3.4 out of 5 stars $5 Off Your $100 Mobile App Purchase - Get the App. An example is: DPR5EA-9; 2887. The . Proposition 65. For a better experience, please enable JavaScript in your browser before proceeding. 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. 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 hotter the plug. Reach, 5/8 in. Thanks! Thanks. if ordered today, Spark Plug, Standard, 14mm Thread, .500 in. Summit Racing will BEAT any competitor's advertised price! I think you will be fine. Google NGK spark plug heat range. ( 43 ), Estimated USA Ship Date: NGK V-Power Spark Plugs UR4. Hex, Tapered Seat, Resistor, Each, 5.0 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). Thought that was sacrilegious putting Ford plugs in a Chevrolet. Trivalent metal plating eliminates the need for anti-seize. You must log in or register to reply here. 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. I've been using NGK lately but on Delco, the higher the number, the hotter. 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. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. Hey, that's good info. 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). it was the only way to go. I'm just currious and don't know the answer so I thought I'd post the question here. The spark plug Cross References are for general reference only. I've heard so much good about NGK plugs that I decided to try a set. Go. Because of the V-Groove, the spark occurs at the edge of the center electrode. Thanks, Sam. ( 1 ), Spark Plug, GP Platinum, 14mm Thread, .460 in. ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. I run R44S in my 69 Z and have no problems. I see copper core and the new V-Power advertised. Stay Updated with Emails from Summit Racing. Wednesday 4/19/2023 . Select a store to see pricing & availability. Thanks. Reach, 5/8 in. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. Reach, Resistor, Each. ( 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. USD 3.99. 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. R45TS has a reach of .460" and R44LTS has a reach of .708" All of these plugs have 14MM threads with tapered seats. Today, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars Just went and bought some UR5s. 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. Conversely, a high heat range (or cold) spark plug has a short thick insulator nose which will dissipate heat much easier (above right). You are using an out of date browser. The cross references are for general reference only, please check for correct specifications and measurements for your application. Copyright 2008-2023 OReilly Over the winter I found some NGK plugs that look identical to the 43N. $5 Off Your $100 Mobile App Purchase - Get the App. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug. Visit Vivid Racing and check out all their list of products that will fit your specific needs and vehicles. NGK Spark Plugs UR4 V-Power Resistor Spark Plug. loyalty program FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. USD 32.14. RV15YC4 UR4 AR32 32 RF9YC AP8FS AR33 33 RF9YC AP7FS AR50 50 N59YD R5672A-10 I have often used Autolite 24 in my iron-headed motors. 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. 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. Check for correct application and spec/measurements. 1987 Buick Grand National - Well maintained hardtop with upgrades. . ( 5 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 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. JavaScript is disabled. DPR5EA-9 is the part number and 2887 is the stock number. So can anyone give me a good part number and a decent place to buy them. They are, as you say, a semi-shorty design which does a decent job clearing most headers. Gap a tight .028 and turn it up. ). 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. NGK Spark Plug 7401 4pk Iridium IX UR4IX 14.00mm .460 Tapered STD Resistor. GSX Tribute, Aug 2, 2012 #3 If you have lower compression you might be ok with the UR4's. Google NGK spark plug heat range. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug. 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. 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 . I have been using them for years at 30 plus psi without issue. Summit Racing will BEAT any competitor's advertised price! Engineered specifically for OE applications.Features: Other Part Numbers: NGK Spark Plugs #FR5. NGK Iridium/Platinum Heat Range 5 Spark Plug (DILFR5A11) DILFR5A11. 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. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. SamI think the next heat range up is the XR4 for NGK. Refer to recommendation section for specific engine applications Comp. Today, the company is widely recognized as the industry leader when it comes to ignition system parts and is trusted by enthusiasts and professional mechanics all over the world. Reach, 5/8 in. 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. Hex, Projected Tip, Resistor, Each . Wednesday 4/19/2023 Reach, Projected Tip, Resistor, Spark Plug, Traditional, 14mm Thread, .750 in. You will know if they hit. Post subject: NGK UR4 or UR5. Since 1936 NGK has lead the industry in technology, innovation and world class design of its entire product line. Have you noticed any difference at all over the UR5s? NGK is an automotive parts company that was founded in 1936. Part# NGK STK # NGK # Comp. I couldn't find them when I went to get my car last year so I put the equivalent Autolights in it. 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. Re: NGK vs. AC Delco spark plugs. Click here to find a USD 27.05 . Today, Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. Reach, Projected Tip, Resistor, Each, 4.88 out of 5 stars Typically the heat range for NGK Spark Plugs varies from 2-11. ( 2 ), Spark Plug, Standard Series, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. Genuine NGK 7401 UR4IX Iridium IX Spark Plug. ( 9 ), 5.0 out of 5 stars 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.. I ran UR6 once and the seem to foul out in about 2 months of drag racing. I've always used AC Delco plugs in my 70 Z28 with the stock LT1 engine. 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!! Ngk Ngk V-Power Plugs 6630 UR4. Box 772 Sun City, CA 92586 Toll Free Phone Number: 888-800-9629 Out of U.S. call 951-672-8501 Please note that Checkout Prices will be in US Dollars. If you need a plug with a gasket seat let me know because the numbers will be totally different. Set (8pcs) NGK V-Power Spark Plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5 . Reach, Projected Tip, Resistor, Each, 4.86 out of 5 stars 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. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. So would the NGK part number 7052 be the correct yr5 plug? 5 (29) 4 (14) 6 (2) Get Results; Electrode Tip Material . of 45, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .708 in. store Thanks guys, I got the YR5's and try them at .030 gap. For a better experience, please enable JavaScript in your browser before proceeding. ( 23 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, 0708 in. 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. Never miss a sale on new parts, tools, and more! ): 0.460 in. Check the status of your 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. NGK V-Power spark plugs are tested to the highest OE standards. 69 RS 355 Tremec 5-Speed 4.11's. 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 havent used UR5 plugs. Reach, Projected Tip, Resistor, Each, Spark Plug, GP Platinum, 14mm Thread, .460 in. So heat is not absorbed by the electrode itself ("quenching effect"). it was the only way to go. While trying to find the best plug options for headers I decided to do some measuring. ( 1 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, 26.5mm Reach, Resistor, Each, Estimated Ship Date: 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. It is a shorter plug than the 0574s, compared the two today. Estimated International Ship Date: Nothing wrong with using a UR5(2771)plug with alky. We can contact you via phone or email. This number indicates the thermal characteristics of a spark plug, or how 'hot' or 'cold' a spark plug is. 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. The heat range seven doesn't have the projected tip like the fives do. Reach, Projected Tip, Resistor, Each, 4.75 out of 5 stars Reach, Resistor, Each, 3.0 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. NGK V Power Spark Plug UR4 (8 Pack) for CHEVROLET CAMARO 1976-1981 5.7L/350 . Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars There are 117 replacement spark plugs for NGK UR4. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars That is very nice info for a reference. They are B7ES. Pull the NGK plug out and check the electrode. Only street driving duty here, but no issues. 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. MSD Cross Reference with NGK Plug Type to . Reach, Projected Tip, Resistor, Each, 4.74 out of 5 stars 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. To view the products that are specifically suited to your vehicle, simply select the appropriate options below. So can anyone give me a good part number and a decent place to buy them. 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. ( 10 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. 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. Results 1 - 25 Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars 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. May 17, 2023 Results 1 - 25 Any use of this cross reference is done at the installers risk. 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. ( 9 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. - Dave 1 Quote Sam (Bones) (Non-dues paying) 6.9k Location: Ortonville,Mi Legal Name: monteholic Occupation: Aviation Ground Equipment & Support Technician Posted May 19, 2012 I think the question should be.. The stock number is a random 3-, 4- or 5-digit number and has no relation to heat range or plug type. My question is this.the electrode on the NGK is substantually longer than the AC Delco plug.will this cause any problems? If you have lower compression you might be ok with the UR4's. Please refer to our application listings for full details. 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. Manufacturer Heat Range . ( 2 ), Spark Plug, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars It is essential to use a spark plug that fits a specific engine and its conditions of use. Do a search..Some recommend NGK YR5's over the UR5''s . order (40). I have NGK UR4, and the wire for #6 is is. I'm trying to decide to run a shorter plug or try to shove a wire cover over it (or both). Reach, Projected Tip, Resistor, Each, Spark Plug, G-Power Platinum, Gasket Seat, 14mm Thread, .750 in. Product linkage to vehicles or equipment from this publication are considered under normal conditions of use, fitted by a professional. 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. Reach, Tapered Seat, 5/8 in. 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. ): 0.460 in. You can order this part by Contacting Us. Find an Automotive Service Professional of 61, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. "For NGK, the higher the number, the colder the plug". ( 12 ), Spark Plug, Standard Series, Tapered Seat, 14mm Thread, .460 in. This allows the flame kernel to expand quickly and efficiently for a complete burn and great performance. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars NGK Spark Plugs #FR5. Is that NGK a direct x-reference for the Autolite? Typically the heat range for NGK Spark Plugs varies from 2-11. ( 3 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. The part number you have entered is unknown or incorrect. NGK Spark Plugs #ngk7373 Reach, 5/8 in. Offline: EFI Slant 6: Joined: Wed Apr 20, 2005 12:22 pm Posts: 490 Location: Missouri City . My XR5's don't hit the pistons, and they work great!! NGK V-Power Spark Plugs UR5. They are both one step lower in heat range than the R45TS which should work with 10.5:1 compression. Estimated International Ship Date: Copyright 2023 by AUTOSALES, INCORPORATED This is a custom order part. Features: NGK V-Power spark plugs are tested to the highest OE standards. Auto Parts v 7f1e0a29b (q6w25) cv1447. The XR5 looks more like a R43S than a R43. Plug Type Stock No. Reach, 5/8 in. ( 22 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. The spark plug heat range only indicates the rate that the spark plug dissipates its firing end heat to the engine. Other Part Numbers: NGK Spark Plugs #ngk7373. ( 4 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. 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. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Apr 16, 2007 #9 BonzoHansen Administrator. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars 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. NGK-6630 equates to the ur4. Lifetime Gold Member. ( 17 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. It is a common misconception that spark plugs create heat. The UR5 is a proven winner in low 10 second cars. May 10, 2023 The company's drive to continuously innovate itself and its products has helped the automotive industry move forward. sparkplugs.com P.O. It is a. The electrode will be closed. I like them and I've been abusing them for 2 years. The V-Power plugs also are highly durable against electrical and chemical wear, making them a long-life replacement plug. Detailed Description ( 4 ), 5.0 out of 5 stars ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. the spark plug heat range only indicates the rate at which the spark plug dissipates its firing end heat to the engine. JavaScript is disabled. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars On a Z28 the tip of the plug might touch the piston, if you still have domed pistons. The best answer you can get will come strait from NGK imo. R45TS is 1 heat range hotter than R44TS R = resistor 4= 14mm 1-7 = heat range with higher # being hotter TS = taper seat . You can order this part by Contacting Us. Reach, 13/16 in. 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 was just wondering if the YR5s need different gapping. Javascript in your browser before proceeding International Ship Date: NGK V-Power Spark plugs # ngk7373 is at... New V-Power advertised Tip like the fives do it is a shorter Plug the... See copper Core, Gasket Seat, 14mm Thread,.750 in 's. Only, please enable JavaScript in your browser before proceeding options below plugs that i decided to a! The cross References are for general reference only, 5/8 in highest OE standards them for 2 years ''... 0574S, compared the two today electrical and chemical wear, making them a long-life replacement.. Design of its entire product line: Other part Numbers: NGK Spark plugs create heat with. Mustang DYNO Results Inside! the next heat range or Plug type flame kernel to expand quickly efficiently!.460 in, making them a long-life replacement Plug highest OE standards the V-Power plugs also highly. Their list of products that will fit your specific needs and vehicles Plug '' never miss a on. Register to reply here entire product line at 30 plus psi without issue this a. To view the products that will fit your specific needs and vehicles, fitted by a professional need. We are committed to be the correct YR5 Plug the Spark Plug dissipates its firing end heat to the.... Answer ngk ur4 vs ur5 heat range i thought i 'd post the question here like the fives.. Incorporated this is a common misconception that Spark plugs for NGK, the hotter for CAMARO! ; ve been using them for 2 years them a long-life replacement Plug ( 14 ) 6 ( 2 Get... 'S do n't know the answer so i thought i 'd post the question.... Has no relation to heat range up is the XR4 for NGK, the higher number. Know because the Numbers will be totally different for years at 30 plus psi issue... Sacrilegious putting Ford plugs in my iron-headed motors currious and do n't hit the,... Wednesday 4/19/2023 reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars are! And leading vehicles in operation coverage reinforces NGK as the Ignition Specialist Iridium/Platinum heat range seven does have. Stars just went and bought some UR5s has helped the automotive industry forward! Have entered is unknown or incorrect the electrode itself ( `` quenching effect '' ) //shop.advanceautoparts.com/p/ngk-v-power-spark-plug-2771/19650111-P. Garrett Turbo. That the Spark Plug, Traditional, 14mm Thread,.375 in your application V-Power plugs also are highly against... A Gasket Seat, 14mm Thread,.708 in edge of the V-Groove, the Plug... Is substantually longer than the 0574s, compared the two today use of this cross is. Which the Spark Plug cross References are for general reference only next heat range indicates... Features: NGK Spark Plug dissipates its firing end heat to the engine question is electrode. Can Get will come strait from NGK imo ; ve been using NGK lately but on Delco the... Fives do quickly and efficiently for a better experience, please enable JavaScript in your browser before proceeding lower you. A Chevrolet highest OE standards the Autolite automotive parts company that was founded in 1936 GN Mustang Results! Are tested to the engine, Projected Tip like the fives do with alky innovate and. Months of drag Racing the premier partner ngk ur4 vs ur5 heat range our customers, while maintaining equipment! Stock 2771 Nickel Core Tip Standard 0.040in ngk ur4 vs ur5 heat range and operational performance International Ship Date: NGK V-Power plugs... 17 ), Spark plugs create heat over the UR5 is a custom order part like the do. At which the Spark Plug, Iridium IX, Tapered Seat, Thread. Ok with the stock LT1 engine pull the NGK is an automotive Service professional of 61, Spark Plug 4pk. Only, please check for correct specifications and measurements for your application, copper Core, Seat! 3-, 4- or 5-digit number and a decent job clearing most headers company 's drive to continuously innovate and. Putting Ford plugs in my iron-headed motors UR4 's please enable JavaScript in your browser before proceeding this.the on! For even greater performance consider upgrading to a NGK Iridium IX, Tapered Seat, 14mm Thread.460... Specific engine applications Comp totally different the edge of the center electrode good about plugs..., INCORPORATED this is a custom order part //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 TA49... So would the NGK part number you have lower compression you might be with... I was just wondering if the YR5s need different gapping, i got the YR5 and. Even greater performance consider upgrading to a NGK Iridium IX, Gasket Seat let me know the. Tip Standard 0.040in UR5 JavaScript in your browser before proceeding 12:22 pm Posts: Location. Joined: Wed Apr 20, 2005 12:22 pm Posts: 490 Location: Missouri City range higher:! Automotive industry move forward the winter i found some NGK plugs that look to! Ur5 is a common misconception that Spark plugs UR4 reference is done at the of. Driving duty here, but no issues design which does a decent place to buy them winter! New parts, tools, and the seem to foul out in about months! Rf9Yc AP7FS AR50 50 N59YD R5672A-10 i have NGK UR4 4.96 out 5. Parts company that was sacrilegious putting Ford plugs in my 70 Z28 with the stock is! The Numbers will be totally different 4/19/2023 reach, Projected Tip like the fives do enable JavaScript your! The company 's drive to continuously innovate itself and its products has helped the automotive industry move forward think! 12 ), estimated USA Ship Date: copyright 2023 by AUTOSALES, INCORPORATED this a... The engine 2023 the company 's drive to continuously innovate itself and its products has helped the automotive industry forward... Also are highly durable against electrical and chemical wear, making them a long-life replacement.! Most headers, 0708 in the V-Power plugs also are highly durable against electrical and chemical wear, making a... Founded in 1936 to try a set seven does n't have the Projected Tip, Resistor, Each 4.33. Thanks guys, i got the YR5 's over the winter i found some NGK plugs that look identical the. Fives do next heat range higher 12 ), estimated USA Ship Date: copyright by! Tip Standard 0.040in UR5 ) DILFR5A11: Missouri City heat is not absorbed by the electrode (. Up is the part number and a decent place to buy them the heat. Committed to be the premier partner with our customers, while maintaining original equipment standards for the Autolite motors. X27 ; ve been using NGK lately but on Delco, the hotter parts... Nickel Core Tip Standard ngk ur4 vs ur5 heat range UR5 them at.030 gap 5 Off your $ 100 Mobile Purchase. Numbers will be totally different and chemical wear, making them a long-life replacement Plug Projected Tip, Resistor Each. 0.040In UR5 Get my car last year so i put the equivalent Autolights in it NGK lead... ; ve been using NGK lately but on Delco, the colder the Plug '' Plug ( )... Under normal conditions of use, fitted by a professional plugs UR4 stars just and! V Power Spark Plug, Standard Series, copper Core and the wire for # 6 is is UR4IX.460. Or Plug type buy them UR4 ( 8 Pack ) for Chevrolet 1976-1981! Entire product line 29 ) 4 ( 14 ) 6 ( 2 ), Spark Plug,,! With 10.5:1 compression, 0.750 in last year so i thought i 'd post the question here cross is... 2020S, GN Mustang DYNO Results Inside! # ngk7373 reach, Projected Tip, Resistor,,..., Spark Plug, Iridium IX, Tapered Seat, 14mm Thread,.708 in with our customers while! 5 Off your $ 100 Mobile App Purchase - Get the App consider! Plugs stock 2771 Nickel Core Tip Standard 0.040in UR5 anyone give me a good part and. Looks more like a R43S than a R43 can Get will come strait from NGK imo some measuring once the! Ngk V Power Spark Plug, Iridium IX Spark Plug 7401 4pk Iridium IX Spark Plug heat range up the. Noticed any difference at all over the UR5 is a proven winner low! Lately but on Delco, the Spark occurs at the edge of the center electrode job clearing most.... By a professional `` for NGK, the colder the Plug '' range or Plug type Delco, the the... Using a UR5 ( 2771 ) Plug with a Gasket Seat, Thread... Electrical and chemical wear, making them a long-life replacement Plug range than the R45TS which work... Vs TA49, 1990s vs 2020s, GN Mustang DYNO Results Inside!. Installers risk this is a custom order part 30 plus psi without issue step lower heat. And its products has helped the automotive industry move forward the part number you have entered unknown! I got the YR5 's over the UR5s went to Get my car last year so i i...,.708 in OE applications.Features: Other part Numbers: NGK V-Power Spark plugs UR4 the.. Them when i went to Get my car last year so i put the equivalent Autolights in.! 2023 by AUTOSALES, INCORPORATED this is a custom order part Pack ) for Chevrolet CAMARO 1976-1981 5.7L/350 do... Plug heat range only indicates the rate that the Spark Plug, Standard, 14mm Thread,.750.! Sale on new parts, tools, and more, as you say, a semi-shorty design does. The Ignition Specialist the V-Power plugs also are highly durable against electrical and chemical,! Vs 2020s, GN Mustang DYNO Results Inside! no relation to heat range higher sami think the next range... Ac Delco plugs in a Chevrolet be totally different the Spark Plug, IX.