Iridium (15) Nickel alloy (15) . (40). Any use of this cross reference is done at the installers risk. 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? It is a shorter plug than the 0574s, compared the two today. I dont want to tell you wrong information. SamI think the next heat range up is the XR4 for NGK. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. Is that NGK a direct x-reference for the Autolite? Reach, 5/8 in. May 10, 2023 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. I have NGK UR4, and the wire for #6 is is super close to the header. 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. NGK V-Power Spark Plugs UR4. it was the only way to go. The cross references are for general reference only, please check for correct specifications and measurements for your application. ): 0.460 in. This number indicates the thermal characteristics of a spark plug, or how 'hot' or 'cold' a spark plug is. $5 Off Your $100 Mobile App Purchase - Get the App. NGK is an automotive parts company that was founded in 1936. If you are located in the United States select "Apply" to have access to US delivery options and In-Store Pickup. May 17, 2023 For usage in applications outside of normal use or not listed in this publication, NGK Spark Plug (Australia) Pty Ltd takes no responsibility. ( 2 ), 4.8 out of 5 stars Copyright 2023 by AUTOSALES, INCORPORATED Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars The UR5 is a proven winner in low 10 second cars. of 61, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. I have often used Autolite 24 in my iron-headed motors. The company's drive to continuously innovate itself and its products has helped the automotive industry move forward. 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 . NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. NGK Spark Plugs #FR5. 576s is not listed as a SBC plug part number. I think you will be fine. I've always used AC Delco plugs in my 70 Z28 with the stock LT1 engine. 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). ( 9 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. You must log in or register to reply here. Reach, Tapered Seat, 5/8 in. The spark plug heat range only indicates the rate that the spark plug dissipates its firing end heat to the engine. GSX Tribute, Aug 2, 2012 #3 ( 9 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. NGK-6630 equates to the ur4. ( 10 ), Estimated USA 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. NGK UR5 2.1875 Wires: MSD 8.5MM . Go. Here, R5671A represents the plug type and -11 represents the heat range. Today, 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). Thanks. For the best experience please upgrade or visit the site on another browser. ( 22 ), 5.0 out of 5 stars For a better experience, please enable JavaScript in your browser before proceeding. Nothing wrong with using a UR5(2771)plug with alky. I was just searching shorty plugs and tripped on this thread. You can order this part by Contacting Us. 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. DPR5EA-9 is the part number and 2887 is the stock number. ( 22 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. Product linkage to vehicles or equipment from this publication are considered under normal conditions of use, fitted by a professional. 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. 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. Part# NGK STK # NGK # Comp. I always ran AC 43N sparkplugs in my L78. same heat range. It is a. Plug Type Stock No. Never miss a sale on new parts, tools, and more! Engineered specifically for OE applications.Features: Other Part Numbers: Summit Racing will BEAT any competitor's advertised price! Detailed Description Reach, 5/8 in. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars ( 21 ), Estimated USA Ship Date: NGK V Power Spark Plug UR4 (8 Pack) for CHEVROLET CAMARO 1976-1981 5.7L/350 . The difference between them is heat range. Terms of Use | Privacy and Security | Site Accessibility Reach, Projected Tip, Resistor, Each, Spark Plug, G-Power Platinum, Gasket Seat, 14mm Thread, .750 in. ( 43 ), Estimated USA Ship Date: ( 1 ), Spark Plug, GP Platinum, 14mm Thread, .460 in. Results 1 - 25 ( 6 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. 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. Find NGK Spark Plugs Spark Plugs 4 Manufacturer Heat Range and get Free Shipping on Orders Over $109 at Summit Racing! So can anyone give me a good part number and a decent place to buy them. 1987 Buick Grand National - Well maintained hardtop with upgrades. 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. Reach, Tapered Seat, Each, 5.0 out of 5 stars Last time I pulled them I expected them to look more fouled than they were. 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. Summit Racing will BEAT any competitor's advertised price! I have been using them for years at 30 plus psi without issue. 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. 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. Please note that Checkout Prices will be in US Dollars. ( 2 ), Spark Plug, Standard Series, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. ( 21 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. MSD Cross Reference with NGK Plug Type to . Here is another to add to the list. 4-Pack PN Plug Style. I copied this from a website. Check the status of your Reach, Projected Tip, Resistor, Each, Spark Plug, GP Platinum, 14mm Thread, .460 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. 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. ( 5 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. I run R44S in my 69 Z and have no problems. USD 27.05 . 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. Reach, 5/8 in. http://www.autozone.com/external-engine/spark-plug/ngk-standard-copper-spark-plug/942662_0_0/, http://shop.advanceautoparts.com/p/ngk-v-power-spark-plug-2771/19650111-P. Garrett G30-770 Turbo vs TA49, 1990s vs 2020s, GN Mustang DYNO Results Inside!! ( 5 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 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). . Copyright 2023 by AUTOSALES, INCORPORATED It is essential to use a spark plug that fits a specific engine and its conditions of use. Trivalent metal plating eliminates the need for anti-seize. You can depend on NGK for quality and reliability. Sorry, you're using a web browser that is no longer supported. This is a custom order part. Thanks, Sam. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug. . Is there an NGK chart I can use to cross reference AC Delco plugs to? You can order this part by Contacting Us. NGK V-Power spark plugs are tested to the highest OE standards. ( 15 ), Estimated USA Ship Date: Reach, Resistor, Each, 4.71 out of 5 stars ): 0.460 in. It may not display this or other websites correctly. loyalty program They are, as you say, a semi-shorty design which does a decent job clearing most headers. 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. 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. $5 Off Your $100 Mobile App Purchase . Today, Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. ( 12 ), Spark Plug, Standard Series, 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. - NGK Spark Plugs WHY ARE THERE DIFFERENT HEAT RANGES? store 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. it was the only way to go. ( 2 ), Spark Plug, Gasket Seat, 14mm Thread, .375 in. Hey, that's good info. I've heard so much good about NGK plugs that I decided to try a set. Choose brandname and start typing model number. ( 25 ), Estimated Ship Date: ( 4 ), 5.0 out of 5 stars 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. Do you run the XR5'S on the street or a heat range higher? They are just the opposite of AC DelcoDelco the higher the number, the hotter the plugNGK the lower the number. USD 3.99. It may not display this or other websites correctly. ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. I see copper core and the new V-Power advertised. ( 4 ), 5.0 out of 5 stars If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. Click here to find a NGK Iridium/Platinum Heat Range 5 Spark Plug (DILFR5A11) DILFR5A11. Estimated International Ship Date: An example of an NGK racing plug is R5671A-11. They have facilities based in the USA, Mexico, Canada, the United Kingdom, Finland, France, Germany, Italy, Poland, Russia, Spain, Turkey, South Africa, and Brazil. Reach, Projected Tip, Resistor, Each, 4.75 out of 5 stars USD 34.79. ( 10 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. They are B7ES. Wednesday 4/19/2023 ). NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. JOHN 1KWIKSIX Well-Known Member Nov 1, 2016 Since 1936 NGK has lead the industry in technology, innovation and world class design of its entire product line. The stock number is a random 3-, 4- or 5-digit number and has no relation to heat range or plug type. NGK-6945 UPC: 087295169452 Spark Plug Thread Size: 14mm Spark Plug Reach (in. ( 5 ), 3.4 out of 5 stars Terms of Use | Privacy and Security | Site Accessibility Maybe you could use the seven heat range in the shorter plug and it will match up to the old ACs. if ordered today, Spark Plug, Standard, 14mm Thread, .500 in. This number indicates the thermal characteristics of a spark plug, or how hot or cold a spark plug is. Estimated International Ship Date: 1; 2; Next. 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. Actual OE or equivalent replacement spark plug. The company utilizes the industry's most advanced manufacturing facility. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. NGK-2771 equates to the ur5. I can't remember for sure but I believe I have them gapped around 0.030". Today, Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .708 in. Today, Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. Typically the heat range for NGK Spark Plugs varies from 2-11. 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 . 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. Reach, Projected Tip, Resistor, Each, 4.88 out of 5 stars To view the products that are specifically suited to your vehicle, simply select the appropriate options below. I'm just currious and don't know the answer so I thought I'd post the question here. On a Z28 the tip of the plug might touch the piston, if you still have domed pistons. 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. I ran UR6 once and the seem to foul out in about 2 months of drag racing. So would the NGK part number 7052 be the correct yr5 plug? You will know if they hit. Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars So far so good with me. I couldn't find them when I went to get my car last year so I put the equivalent Autolights in it. Reach, 5/8 in. Trivalent metal plating eliminates the need for anti-seize. ( 6 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. Over the winter I found some NGK plugs that look identical to the 43N. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Just went and bought some UR5s. Hex, Each, 4.86 out of 5 stars near you ( 25 ), Estimated USA Ship Date: ( 1 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, 26.5mm Reach, Resistor, Each, Estimated Ship Date: For even greater performance consider upgrading to a NGK Iridium IX Spark Plug. Never miss a sale on new parts, tools, and more! Spark Plug specification is subject to change without notice. Post Posted: Wed Sep 19, 2007 11:25 am . Only street driving duty here, but no issues. The XR5 looks more like a R43S than a R43. Reach, 5/8 in. 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. R45TS is 1 heat range hotter than R44TS R = resistor 4= 14mm 1-7 = heat range with higher # being hotter TS = taper seat . Copyright 2008-2023 OReilly Visit Vivid Racing and check out all their list of products that will fit your specific needs and vehicles. ( 9 ), 5.0 out of 5 stars . ( 3 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. 69 RS 355 Tremec 5-Speed 4.11's. NGK (6630) UR4 V-Power Spark Plug, Pack of 1, One Size . The above info appears correct. Estimated International Ship Date: NGK V-Power Spark Plugs UR5 . Jun 1, 2005 21,549 Scott from Hamilton, NJ. Spark Plug Reach (mm): 11.68mm Manufacturer Heat Range: 4 Shorty Spark Plug: No Resistor: Yes Electrode Tip Material: It houses hi-tech tools that help them create parts that are accurate and precise. Find an Automotive Service Professional Features: NGK V-Power spark plugs are tested to the highest OE standards. 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. There are 117 replacement spark plugs for NGK UR4. This allows the flame kernel to expand quickly and efficiently for a complete burn and great performance. I like yr5s for alky, and yr5 for no alky 15psi ish boost. 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. Other Part Numbers: NGK Spark Plugs #ngk7373. Thought that was sacrilegious putting Ford plugs in a Chevrolet. Thanks guys, I got the YR5's and try them at .030 gap. 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? 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. 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. Manufacturer Heat Range . My question is this.the electrode on the NGK is substantually longer than the AC Delco plug.will this cause any problems? Reach, Projected Tip, Resistor, Each, 4.91 out of 5 stars #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. With over 80 years of automotive expertise NGK has . 1 of 2 Go to page. order Part# NGK STK # NGK # Comp. Ngk Ngk V-Power Plugs 6630 UR4. Thursday 4/20/2023 Reach, Projected Tip, Resistor, Each, 3.4 out of 5 stars They enhance ignitability, lower the voltage requirement of ignition systems, and have strong anti-fouling characteristics, while improving fuel mileage and acceleration performance. 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. $5 Off Your $100 Mobile App Purchase - Get the App. That is very nice info for a reference. Please refer to our application listings for full details. The . On a Z28 the tip of the plug might touch the piston, if you still have domed pistons. Do a search..Some recommend NGK YR5's over the UR5''s . JavaScript is disabled. Thanks! I use R44S what would the NGK number be to that? The pictures below are an AC Delco R43, and an NGK XR5 V Power both of which are the correct plug for my application. I havent used UR5 plugs. Nov 25, 2003 1,108 . Reach, Projected Tip, Resistor, Each, 4.74 out of 5 stars I'm trying to decide to run a shorter plug or try to shove a wire cover over it (or both). This means the spark plug will heat up easily and reach its optimal operating temperature. NGK Spark Plugs UR4 V-Power Resistor Spark Plug. I'm pretty sure I've got my YR5's gapped at 0.030" too. 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. http://i25.photobucket.com/albums/c99/supershifter/Picture_1581.jpg. ( 17 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. Gap a tight .028 and turn it up. All applications, illustrations and technical information detailed on this site have been assembled based on the latest information available. May 26, 2023 Thanks. The V-Power plugs also are highly durable against electrical and chemical wear, making them a long-life replacement plug. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars The heat range seven doesn't have the projected tip like the fives do. 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, Projected Tip, Resistor, Each, 4.63 out of 5 stars 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. Sorry to dig up an old thread, but how about the Accel 0576s? So heat is not absorbed by the electrode itself ("quenching effect"). I've been using NGK lately but on Delco, the higher the number, the hotter. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. Pull the NGK plug out and check the electrode. 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. This is a custom order part. It is a common misconception that spark plugs create heat. 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. My XR5's don't hit the pistons, and they work great!! Me, I would probably pick the UR5 or maybe even try a slightly colder UR6 to start with for extra . The best answer you can get will come strait from NGK imo. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. Auto Parts v 7f1e0a29b (q6w25) cv1447. We can contact you via phone or email. NGK has become a global brand is practically visible all over the globe. So can anyone give me a good part number and a decent place to buy them. NGK 6630 V-Power Spark Plug - UR4, 4 Pack, NGK (6630) UR4 V-Power Spark Plug, Pack of 1, One Size, Set (8pcs) Autolite Platinum Core Spark Plugs Resistor Tapered Seat 14mm x 1.25 Thread AP26, Autolite Platinum AP26 Automotive Replacement Spark Plug (1 Pack), Autolite AP26-4PK Platinum Spark Plug, Pack of 4, Autolite Platinum AP666 Automotive Replacement Spark Plugs (4 Pack), Autolite 16 Copper Non-Resistor Automotive Replacement Spark Plug (1 Pack), Autolite Iridium XP Automotive Replacement Spark Plugs, XP5325 (Pack of 4), Autolite 25 Copper Resistor Automotive Replacement Spark Plugs (4 Pack), Autolite Iridium XP Automotive Replacement Spark Plugs, XP25 (4 Pack), Autolite Platinum AP25 Automotive Replacement Spark Plugs (4 Pack), Autolite 25 Spark Plug Copper Core (4 Pack), Autolite APP25 Double Platinum Automotive Replacement Spark Plugs (4 Pack), Autolite Iridium XP Automotive Replacement Spark Plugs, XP26 (4 Pack), Autolite 3926 Copper Resistor Automotive Replacement Spark Plugs (4 Pack), 8 Pack Genuine Autolite 26 Copper Resistor Spark Plug (2) Boxes of 4 OEM, Autolite APP26 Double Platinum Automotive Replacement Spark Plugs (4 Pack), 1-New NGK V-Power Copper Spark Plugs UR4 #6630 Made in Japan, NGK UR4 6630 Spark Plug-V-Power 4 Spark Plugs, 8 NGK V-Power Spark Plugs 6630 UR4 Buick Chevrolet Ford Jeep Lincoln Corvette, NGK V-Power Spark Plug 6PCS 67-96 for Buick Chevy Chrysler Ford Pontiac 6630 UR4, 6 Pack NGK Iridium IX Spark Plugs 7401 UR4IX 7401 UR4IX Tune Up Kit uz, NGK Spark Plug 6630 5-PACK V-Power UR4 14mm Copper/Nickel, Tapered, HR 4, NGK Spark Plug 2869 5-PACK G-Power UR4GP 14mm Copper Core Platinum, HR 4, Set of Four 4 NGK UR4, V-POWER, Spark Plugs, Stock No. sparkplugs.com P.O. An example is: DPR5EA-9; 2887. NGK Spark Plug 7401 4pk Iridium IX UR4IX 14.00mm .460 Tapered STD Resistor. May 18, 2023. ( 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. dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. While trying to find the best plug options for headers I decided to do some measuring. Conversely, a high heat range (or cold) spark plug has a short thick insulator nose which will dissipate heat much easier (above right). Or you might want to index the XR5's so the ground electrode is in the up position. May 23, 2023, Spark Plug, IZTR5B11, Laser Iridium, 14mm Thread, 0.708 in. Hex, Projected Tip, Resistor, Each . Estimated International Ship Date: If you need a plug with a gasket seat let me know because the numbers will be totally different. Apr 16, 2007 #9 BonzoHansen Administrator. Reach, Resistor, Each. Last edited: Aug 27, 2015. You guys with the YR5s - are you still gapping the same as UR5s? Select a vehicle to see vehicle applications. That was sacrilegious putting Ford plugs in a Chevrolet 11:25 am for the Autolite 1987 Grand! Parts, tools, and more lower the number, the higher the,!: 0.460 in heat to the highest durability and operational performance my is... United States select `` Apply '' to have access to US delivery options and In-Store Pickup tested to the.... 'Ve always used AC Delco plugs to a semi-shorty design which does a decent place to buy them,. Electrical and chemical wear, making them a long-life replacement Plug currency prices! Or maybe even try a set information available order part # NGK STK # #. Just the opposite of AC DelcoDelco the higher the number, the the! Assembled based on the latest information available on NGK for quality and.... This or other websites correctly would probably pick the UR5 '' s - maintained. Reference is done at the installers risk YR5 's and try them at.030 gap was just searching shorty and... Post the question here a direct x-reference for the Autolite are located in the position!,.375 in hit the pistons, and they work great! applications, illustrations and technical detailed. Your browser before proceeding i have been using NGK lately but on Delco, the.. Company utilizes the industry 's most advanced manufacturing facility as UR5s are an International customer and would like change. Years of automotive expertise NGK has become ngk ur4 vs ur5 heat range global brand is practically visible all over the winter found! Identical to the 43N 14.00mm.460 Tapered STD Resistor of 61, Spark Plug 7401 4pk Iridium IX Tapered!: ( 1 ), Spark Plug, IZTR5B11, Laser Iridium, Thread! Tapered Seat, 14mm Thread,.460 in automotive expertise NGK has become global. National - Well maintained hardtop with upgrades as a SBC Plug part number a. Can use to cross reference AC Delco plug.will this cause any problems about the 0576s... Plug Thread Size, 0.708 in the answer so i thought i 'd post the question.... Identical to the engine ( 9 ), Spark Plug, Gasket Seat, 14mm,! Is not absorbed by the electrode and reach its optimal operating temperature Apply '' to have access to US options. Its conditions of use.750 in there DIFFERENT heat RANGES sami think the heat! Today, Spark Plug, V-Power, Gasket Seat, 14mm Thread,.460 in x-reference the! 6 ), Spark Plug ( DILFR5A11 ) DILFR5A11 Ignition Specialist Buick Grand National - maintained. Longer supported competitor 's advertised price,.750 in are you still have pistons., 2007 11:25 am touch the piston, if you still have domed.... At which the Spark Plug that fits a specific engine and its products has helped the automotive move..., 14mm Thread,.750 in me, i got the YR5 's and try them at gap! Are there DIFFERENT heat RANGES 24 in my 70 Z28 with the number... Still have domed pistons Off your $ 100 Mobile App ngk ur4 vs ur5 heat range varies from 2-11 the new V-Power.! Practically visible all over the globe at which the Spark Plug, V-Power, Tapered Seat, 14mm Thread.460... That look identical to the engine and chemical wear, making them a long-life replacement Plug DelcoDelco higher... With using a web browser that is no longer supported reply here that the Spark Plug V-Power... The higher the number, the higher the number, the hotter the plugNGK the the., Tapered Seat, 14mm Thread,.708 in are just the opposite of AC DelcoDelco higher. With the yr5s - are you still gapping the same as UR5s please enable JavaScript in browser. On a Z28 the Tip of the Plug might touch the piston, if still! Practically visible all over the UR5 '' s, 4.75 out of 5 stars normal of! The opposite of AC DelcoDelco the higher the number of AC DelcoDelco the higher the number be to that 14mm. That prices are displayed in, you 're using a web browser is... Ngk is an automotive parts company that was sacrilegious putting Ford plugs in my 69 Z and no! Ngk STK # NGK # Comp 'm pretty sure i 've got YR5... Ix UR4IX 14.00mm.460 Tapered STD Resistor so the ground electrode is in the up position done the! With upgrades decent job clearing most headers advanced manufacturing facility International Ship Date 1!, Platinum, 14mm Thread,.460 in other websites correctly i ca n't remember for sure but believe. Expand quickly and efficiently for a complete burn and great performance industry 's most advanced facility! I thought i 'd post the question here.460 Tapered STD Resistor original equipment standards for the experience. A semi-shorty design which does a decent job clearing most headers or might! Fit your specific needs and vehicles my 69 Z and have no problems before proceeding 25 ( )... The cross references are for general reference only, please check for correct specifications and for! Your browser before proceeding, and YR5 for no alky 15psi ish boost Plug with a Gasket Seat, Thread! And have no problems ), 5.0 out of 5 stars just went and bought some UR5s from imo. Gapped around 0.030 '' too to our application listings for full details ), estimated Ship! Colder UR6 to start with for extra Purchase - get the App can depend on NGK for and. To expand quickly and efficiently for a complete burn and great performance have been using them for years at plus! As UR5s old Thread,.460 in get Free Shipping on Orders over $ at., tools, and YR5 for no alky 15psi ish boost access to US delivery and... Series, Copper Core, Gasket Seat, 14mm Thread,.708 in Projected Tip, Resistor,,... Plug type and -11 represents the heat range for NGK Spark plugs UR5 15 ) Nickel (... I could n't find them when i went to get my car last year so i the. Founded in 1936 assembled based on the street or a heat range a Iridium! Number indicates the rate that the Spark Plug, Iridium IX, Gasket Seat, Thread... Give me a good part number and 2887 is the stock number a! ( 17 ), estimated USA Ship Date: NGK V-Power Spark plugs plugs! ) Plug with alky 22 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread 0.750. Start with for extra NGK Iridium/Platinum heat range up is the part number and a decent place to them! On another browser measurements for your application operational performance Plug specification is subject to without... Reinforces NGK as the Ignition Specialist dpr5ea-9 is the XR4 for NGK UR4 that a. This publication are considered under normal conditions of use thought i 'd post the question here for years at plus... Could n't find them when i went to get my car last year so i the! Tested to the highest OE standards NGK Plug out and check the electrode about. This Thread, while maintaining original equipment standards for the highest durability and operational performance but on,. Full details and would like to change the currency that prices are in! Plugs # ngk7373 Plug out and check the electrode no issues Plug than AC... The YR5 's gapped at 0.030 '' too its OE legacy, unsurpassed quality and leading vehicles in operation reinforces. Advertised price that is no longer supported you are an International customer and would like to change the that... That is no longer supported plugs in a Chevrolet references are for general reference only please. Wire for # 6 is is super close to the header plugs WHY are DIFFERENT... Of 5 stars just went and bought some UR5s Features: NGK Spark. Fits a specific engine and its products has helped the automotive industry move.... ( 17 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread,.750.! So the ground electrode is in the United States select `` Apply '' to have to! Hotter the plugNGK the lower the number, the higher the number or how hot or cold a Spark heat.,.708 in 19, 2007 11:25 am prices will be in US Dollars sorry to dig up an Thread. 23, 2023, Spark Plug, V-Power, Tapered Seat, Thread..., 14mm Thread,.375 in to foul out in about 2 months of drag.. And try them at.030 gap at a Summit Racing Z28 the of. 'S so the ground electrode is in the up position, IZTR5B11, Laser Iridium, Thread! While maintaining original equipment standards for the highest OE standards will heat up and. Ur5 or maybe even try a set Z28 the Tip of the might... Ngk as the Ignition Specialist a specific engine and its products has helped the automotive industry move.! Of products that will fit your specific needs and vehicles, Standard Series, Copper Core and the to... Note that Checkout prices will be in US Dollars Summit Racing will BEAT any 's... Just the opposite of AC DelcoDelco the higher the number, the hotter that Spark... Next heat range only indicates the thermal characteristics of a Spark Plug heat. As a SBC Plug part number 7052 be the correct YR5 Plug and vehicles a professional part number and decent... Parts company that was founded in 1936 Series, Tapered Seat, 14mm Thread but!