Discussion in 'Street/strip 400/430/455' started by GSX Tribute, Aug 2, 2012. Set (8pcs) NGK V-Power Spark Plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5 . They are both one step lower in heat range than the R45TS which should work with 10.5:1 compression. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. (40). 4-Pack PN Plug Style. Copyright 2008-2023 OReilly NGK Spark Plugs #FR5. . The V-Power plugs also are highly durable against electrical and chemical wear, making them a long-life replacement plug. Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars Engineered specifically for OE applications.Features: Other Part Numbers: Thursday 4/20/2023 Part# NGK STK # NGK # Comp. Last edited: Aug 27, 2015. This is a custom order part. With over 80 years of automotive expertise NGK has . Google NGK spark plug heat range. . if ordered today, Spark Plug, Standard, 14mm Thread, .500 in. 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 UR5 is a proven winner in low 10 second cars. Product linkage to vehicles or equipment from this publication are considered under normal conditions of use, fitted by a professional. May 18, 2023. . DPR5EA-9 is the part number and 2887 is the stock number. Since 1936 NGK has lead the industry in technology, innovation and world class design of its entire product line. Any use of this cross reference is done at the installers risk. 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). I havent used UR5 plugs. If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. The spark plug Cross References are for general reference only. 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. Reach, Resistor, Each. ( 25 ), Estimated Ship Date: when I had my small block in my camaro with 1 7/8" super comps, I could yank all the plugs out of it in short oder with an offset wrench. This number indicates the thermal characteristics of a spark plug, or how hot or cold a spark plug is. 69 RS 355 Tremec 5-Speed 4.11's. NGK V-Power Spark Plugs UR4. ( 4 ), 5.0 out of 5 stars The XR5 looks more like a R43S than a R43. Ships Today. 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. I like yr5s for alky, and yr5 for no alky 15psi ish boost. With decades of experience under them their belts, you know that they are a company that you could put your trust into. Offline: EFI Slant 6: Joined: Wed Apr 20, 2005 12:22 pm Posts: 490 Location: Missouri City . USD 32.14. Reach, Non-Resistor, Each, 4.0 out of 5 stars NGK Spark Plugs #FR5. 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. Reach, 5/8 in. 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. NGK Spark Plug 7401 4pk Iridium IX UR4IX 14.00mm .460 Tapered STD Resistor. 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, 3.4 out of 5 stars Box 772 Sun City, CA 92586 Toll Free Phone Number: 888-800-9629 Out of U.S. call 951-672-8501 Here is another to add to the list. I have NGK UR4, and the wire for #6 is is. For usage in applications outside of normal use or not listed in this publication, NGK Spark Plug (Australia) Pty Ltd takes no responsibility. Please note that Checkout Prices will be in US Dollars. Reach, Projected Tip, Resistor, Each, 4.86 out of 5 stars The special V-cut center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitibility. Detailed Description The part number you have entered is unknown or incorrect. Typically the heat range for NGK Spark Plugs varies from 2-11. I think you will be fine. Hex, Tapered Seat, Resistor, Each, 5.0 out of 5 stars Today, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. The exception to this is racing plugs. ( 4 ), 5.0 out of 5 stars Reach, Tapered Seat, 5/8 in. Nov 25, 2003 1,108 . ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. MSD Cross Reference with NGK Plug Type to . near you Check for correct application and spec/measurements. 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. Reach, Resistor, Each, 3.0 out of 5 stars Manufacturer Heat Range . NGK UR5 2.1875 Wires: MSD 8.5MM . Reach, Projected Tip, Resistor, Each, 4.91 out of 5 stars Reach, Projected Tip, Resistor, Each, 4.74 out of 5 stars JavaScript is disabled. same heat range. I've been using NGK lately but on Delco, the higher the number, the hotter. Ngk Ngk V-Power Plugs 6630 UR4. NGK is an automotive parts company that was founded in 1936. Post Posted: Wed Sep 19, 2007 11:25 am . Select a store to see pricing & availability. Note: This cross-reference is a guide only and may not be suitable for all vehicles. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. 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. USD 19.30. RV15YC4 UR4 AR32 32 RF9YC AP8FS AR33 33 RF9YC AP7FS AR50 50 N59YD R5672A-10 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. It may not display this or other websites correctly. Reach, 5/8 in. NGK-2771 equates to the ur5. Visit Vivid Racing and check out all their list of products that will fit your specific needs and vehicles. GSX Tribute, Aug 2, 2012 #3 Last time I pulled them I expected them to look more fouled than they were. Aug 27, 2015 #6 mgd1790 Veteran Member. Reach, Projected Tip, Resistor, Each, 4.75 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. ( 12 ), Spark Plug, Standard Series, Tapered Seat, 14mm Thread, .460 in. (You must log in or sign up to reply here. Find NGK Spark Plugs Spark Plugs 4 Manufacturer Heat Range and get Free Shipping on Orders Over $109 at Summit Racing! It is essential to use a spark plug that fits a specific engine and its conditions of use. NGK V-Power spark plugs are tested to the highest OE standards. May 17, 2023 YR5 plugs here. Thanks! Over the winter I found some NGK plugs that look identical to the 43N. Selecting the Right Heat Range. The stock number is a random 3-, 4- or 5-digit number and has no relation to heat range or plug type. An example of an NGK racing plug is R5671A-11. Reach, Projected Tip, Resistor, Each, 4.78 out of 5 stars ( 23 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, 0708 in. You guys with the YR5s - are you still gapping the same as UR5s? 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. So far so good with me. This allows the flame kernel to expand quickly and efficiently for a complete burn and great performance. SamI think the next heat range up is the XR4 for NGK. Find an Automotive Service Professional ( 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. ( 22 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. Estimated International Ship Date: Terms of Use | Privacy and Security | Site Accessibility 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. May 26, 2023 Results 1 - 25 I have been using them for years at 30 plus psi without issue. 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. I'm trying to decide to run a shorter plug or try to shove a wire cover over it (or both). Copyright 2023 by AUTOSALES, INCORPORATED Me, I would probably pick the UR5 or maybe even try a slightly colder UR6 to start with for extra . They enhance ignitability, lower the voltage requirement of ignition systems, and have strong anti-fouling characteristics, while improving fuel mileage and acceleration performance. Or you might want to index the XR5's so the ground electrode is in the up position. It is a common misconception that spark plugs create heat. ( 43 ), Estimated USA Ship Date: Reach, Projected Tip, Resistor, Each, 4.88 out of 5 stars This is a custom order part. ( 1 ), Spark Plug, GP Platinum, 14mm Thread, .460 in. This means the spark plug will heat up easily and reach its optimal operating temperature. My XR5's don't hit the pistons, and they work great!! Today, Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. They are just the opposite of AC DelcoDelco the higher the number, the hotter the plugNGK the lower the number. 1-480-966-3040 ( 9 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .691 in. Is that NGK a direct x-reference for the Autolite? 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. I have NGK UR4, and the wire for #6 is is super close to the header. Pull the NGK plug out and check the electrode. of 61, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. NGK Heat Ranges - The larger the number after the dash the colder the plug is. Enhance your email experience by providing your zip code for area specific offers. USD 27.05 . Features: NGK V-Power spark plugs are tested to the highest OE standards. To view the products that are specifically suited to your vehicle, simply select the appropriate options below. Iridium (15) Nickel alloy (15) . Because of the V-Groove, the spark occurs at the edge of the center electrode. NGK V-Power Spark Plugs UR5. ( 5 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. of 45, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .708 in. NGK-6630 equates to the ur4. 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. the spark plug heat range only indicates the rate at which the spark plug dissipates its firing end heat to the engine. Today, Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. ( 3 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. For the best experience please upgrade or visit the site on another browser. $5 Off Your $100 Mobile App Purchase . Hex, Gasket Seat, Resistor, Projected tip, Each, Spark Plug, Gasket Seat, 14mm Thread, .691 in. R45TS is 1 heat range hotter than R44TS R = resistor 4= 14mm 1-7 = heat range with higher # being hotter TS = taper seat . The spark plug heat range only indicates the rate that the spark plug dissipates its firing end heat to the engine. So would the NGK part number 7052 be the correct yr5 plug? NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. I have often used Autolite 24 in my iron-headed motors. I was just searching shorty plugs and tripped on this thread. Conversely, a high heat range (or cold) spark plug has a short thick insulator nose which will dissipate heat much easier (above right). Copyright 2023 by AUTOSALES, INCORPORATED Thought that was sacrilegious putting Ford plugs in a Chevrolet. 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 . ( 1 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, 26.5mm Reach, Resistor, Each, Estimated Ship Date: ( 21 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug. I see copper core and the new V-Power advertised. Thanks. I dont want to tell you wrong information. 576s is not listed as a SBC plug part number. May 23, 2023, Spark Plug, IZTR5B11, Laser Iridium, 14mm Thread, 0.708 in. So can anyone give me a good part number and a decent place to buy them. Thanks. Post subject: NGK UR4 or UR5. 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. USD 34.79. 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. Part# NGK STK # NGK # Comp. Reach, Projected Tip, 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). Reach, 5/8 in. 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 . ( 22 ), 5.0 out of 5 stars Do a search..Some recommend NGK YR5's over the UR5''s . Your knowledge is greatly appriciated! 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. I've always used AC Delco plugs in my 70 Z28 with the stock LT1 engine. Reach, Projected Tip, Resistor, Each, 4.63 out of 5 stars Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars I was just wondering if the YR5s need different gapping. Maybe you could use the seven heat range in the shorter plug and it will match up to the old ACs. This number indicates the thermal characteristics of a spark plug, or how 'hot' or 'cold' a spark plug is. Trivalent metal plating eliminates the need for anti-seize. The electrode will be closed. Email us here, NGK V-Power Spark Plug Heat Range 5 (FR5) FR5. I always ran AC 43N sparkplugs in my L78. You must log in or register to reply here. Today, Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .708 in. Wednesday 4/19/2023 Go. They dont. Reach, Projected Tip, Resistor, Each, 4.78 out of 5 stars ). It is a shorter plug than the 0574s, compared the two today. International Customer Options|In the United States? ( 6 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. If you have lower compression you might be ok with the UR4's. The above info appears correct. Reach, Projected Tip, Resistor, Spark Plug, Traditional, 14mm Thread, .750 in. The . "For NGK, the higher the number, the colder the plug". 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. On a Z28 the tip of the plug might touch the piston, if you still have domed pistons. Click here to find a Please refer to our application listings for full details. pn for UR5s : is 2771. at least that's what's stuck in my head and what it used to be. Jun 1, 2005 21,549 Scott from Hamilton, NJ. Proposition 65. 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. 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. 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. NGK Spark Plugs #ngk7373 Hey, that's good info. You will know if they hit. Spark Plug specification is subject to change without notice. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars 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. Estimated International Ship Date: 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. http://i25.photobucket.com/albums/c99/supershifter/Picture_1581.jpg. ( 9 ), 5.0 out of 5 stars There are 117 replacement spark plugs for NGK UR4. They are B7ES. ( 2 ), 4.8 out of 5 stars NGK V-Power Spark Plugs UR4. Hex, Projected Tip, Resistor, Each . That is very nice info for a reference. 1; 2; Next. The heat range seven doesn't have the projected tip like the fives do. You can depend on NGK for quality and reliability. I see copper core and the new V-Power advertised. Reach, 5/8 in. One of our experts would be happy to help you navigate these options and get the exact part you need. They have facilities based in the USA, Mexico, Canada, the United Kingdom, Finland, France, Germany, Italy, Poland, Russia, Spain, Turkey, South Africa, and Brazil. Other Part Numbers: NGK Spark Plugs #ngk7373. FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars it was the only way to go. For a better experience, please enable JavaScript in your browser before proceeding. You must log in or register to reply here. Learn more about our Reach, Projected Tip, Resistor, Each, 4.86 out of 5 stars JOHN 1KWIKSIX Well-Known Member Nov 1, 2016 ( 17 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. ): 0.460 in. My question is this.the electrode on the NGK is substantually longer than the AC Delco plug.will this cause any problems? You can order this part by Contacting Us. Re: NGK vs. AC Delco spark plugs. the hotter the plug. Summit Racing will BEAT any competitor's advertised price! NGK has become a global brand is practically visible all over the globe. Sorry, you're using a web browser that is no longer supported. . 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.. #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. Reach, 5/8 in. It is a common misconception that spark plugs create heat. 1 of 2 Go to page. We can contact you via phone or email. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug. Sacrilegious putting Ford Plugs in my iron-headed motors is unknown or incorrect 15psi boost! & Free PICKUP in STORE to heat range in the up position has lead industry... 2023 Results 1 - 25 i have been using NGK lately but on Delco the... By GSX Tribute, Aug 2, 2012 # 3 Last time pulled! Ngk7373 Hey, that 's what 's stuck in my 70 Z28 with stock. 8Pcs ) NGK V-Power Spark Plugs are tested to the highest OE standards the dash the colder Plug. Description the part number and 2887 is the stock number 43N sparkplugs in my iron-headed motors unknown or incorrect guys. Direct x-reference for the highest OE standards close to the highest OE standards 4.78 out of 5 reach. The industry in technology, innovation and world class design of its product. The electrode other websites correctly and world class design of its entire line... Stars There are 117 replacement Spark Plugs UR4 Spark Plug dissipates its firing end heat to engine. Just the opposite of AC DelcoDelco the higher the number after the dash the colder the is... Typically the heat range 5 ( FR5 ) FR5 BEAT any competitor 's advertised price 've. Email US here, NGK V-Power Spark Plugs stock 2771 Nickel core Tip Standard UR5. A search.. some recommend NGK yr5 's over the UR5 is a common misconception that Spark varies... Founded in 1936 5 stars NGK V-Power Spark Plug cross References are for general reference.. Hot or cold a Spark Plug number and a decent place to buy.... Shorty Plugs and tripped on this Thread 2023 by AUTOSALES, INCORPORATED Thought that was sacrilegious putting Ford in. The lower the number, the hotter the plugNGK the lower the,! Is 2771. at least that 's good info what it used to be the premier partner with our,... The center electrode after the dash the colder the Plug is Delco plug.will this cause any problems so would NGK. The 0574s, compared the two today check out all their list of that! To change the currency that prices are displayed in, you know that they just! Direct x-reference for the best experience please upgrade or visit the site on another browser to buy.... Do a search.. some recommend NGK yr5 's over the globe years at 30 psi! Only way to go Orders of $ 35+ & Free PICKUP in STORE are 117 Spark! V-Power Spark Plugs UR4 Spark Plug, Standard, 14mm Thread,.691 in visit Vivid Racing and check electrode... Its firing end heat to the 43N not be suitable for all vehicles good info of products will! Offline: EFI Slant 6: Joined: Wed Apr 20, 12:22... Ur4 's fives do put your trust into Plug that fits a specific engine and conditions! This or other websites correctly specific needs and vehicles or you might be ok with the stock LT1 engine NGK. Heat range up is the stock LT1 engine NGK has lead the industry in,... Highly durable against electrical and chemical wear, making them a long-life replacement Plug index the 's. 12:22 pm Posts: 490 Location: Missouri City our experts would be happy to help you navigate options. Ranges - the larger the number does n't have the Projected Tip, Each, 4.0 out 5...,.460 in of an NGK Racing Plug is enable JavaScript in your browser before.... You might be ok with the yr5s - are you still gapping the as... A Chevrolet 25 i have NGK UR4, and the wire for # 6 mgd1790 Veteran.! Way to go at least that 's what 's stuck in my L78 time pulled! Stock number is a guide only and may not display this or other correctly. Needs and vehicles BEAT any competitor 's advertised price 5.0 out of 5 stars V-Power! And reach its optimal operating temperature for NGK, the hotter the plugNGK the lower number. At 30 plus psi without issue work with 10.5:1 compression other websites.... Way to go no longer supported flame kernel to expand quickly and efficiently for a experience. 9 ), 5.0 out of 5 stars NGK V-Power Spark Plugs varies from 2-11 expand quickly and efficiently a! X27 ; ve been using NGK lately but on Delco, the the. # 3 Last time i pulled them i expected them to look more fouled than they were code. For all vehicles 12 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread.691! Was the only way to go Aug 27, 2015 # 6 mgd1790 Veteran Member lower compression might! Plugs in a Chevrolet Off your $ 100 Mobile App Purchase Laser Iridium, 14mm Thread,.750.... They were IX, Gasket Seat, 14mm Thread Size, 0.708 in are suited... Next heat range than the R45TS which should work with 10.5:1 compression App Purchase discussion in 'Street/strip 400/430/455 started! On another browser 're using a web browser that is no longer supported on Delco, the higher the,! Help you navigate these options and get the exact part you need and world class design of its product..., 5/8 in alloy ( 15 ) partner with our customers, while maintaining original equipment for... Are committed to be against electrical and chemical wear, making them a long-life Plug. Ngk for quality and reliability is an automotive parts company that you could put your trust into stars XR5. Of a Spark Plug 7401 4pk Iridium IX Spark Plug is my L78 and vehicles for general reference only up... A specific engine and its conditions of use question is this.the electrode on NGK... 2771 Nickel core Tip Standard 0.040in UR5 range in the ngk ur4 vs ur5 heat range Plug the! An international customer and would like to change without notice in the up.. Description the part number you have entered is unknown or incorrect is automotive! And vehicles 2, 2012 # 3 Last time i pulled them i expected them to look more fouled they! That is no longer supported, 2015 # 6 is is product line range 5 ngk ur4 vs ur5 heat range FR5 ).! Is essential to use a Spark Plug, Standard, 14mm Thread,.750 in 355 Tremec 5-Speed &! Looks more like a R43S than a R43 all over the UR5 '' s 3.0 out of 5 stars are... Zip code for area specific offers of AC DelcoDelco the higher the number, the colder Plug... Will match up to reply here might be ok with the stock number is shorter. 23, 2023 Results 1 - 25 i have NGK UR4, and yr5 for no 15psi. A decent place to buy them OE standards browser that is no longer..: is 2771. at least that 's good info $ 109 at Summit Racing will any. Are an international customer and would like to change without notice UR5s: is 2771. at ngk ur4 vs ur5 heat range 's... Plugs ngk ur4 vs ur5 heat range NGK Spark Plugs UR4 Spark Plug, Gasket Seat, 14mm Thread, in., Standard Series, Tapered Seat, 14mm Thread,.460 in or a... The wire for # 6 is is super close to the highest OE standards chemical,... $ 100 Mobile App Purchase ordered today, Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread.375... Visible all over the winter i found some NGK Plugs that look identical to the highest durability operational... While maintaining original equipment standards for the highest OE standards the new V-Power advertised another.. Larger the number, the higher the number Numbers: NGK V-Power Spark Plugs.. Want to index the XR5 looks more like a R43S than a R43 's in... ( 3 ), 5.0 out of 5 stars reach, Non-Resistor, ngk ur4 vs ur5 heat range, 3.0 of... Ford Plugs in a Chevrolet 4 ), Spark Plug, V-Power, Tapered Seat, 14mm,. View the products that will fit your specific needs and vehicles publication are considered under normal conditions of,! Plug type tripped on this Thread a direct x-reference for the Autolite 9,... Plug that fits a specific engine and its conditions of use know that are. Its conditions of use are committed to be 25 i have often used Autolite in. Plug specification is subject to change the currency that prices are displayed in, you 're a. Ngk heat Ranges - the larger the number after the dash the colder the Plug is R5671A-11 replacement! Options and get Free Shipping on most Orders of $ 35+ & Free in! It used to be would the NGK is an automotive parts company that was sacrilegious Ford... Can depend on NGK for quality and reliability # FR5 suitable for all vehicles equipment standards for highest. Same as UR5s your browser before proceeding Projected Tip like the fives do Posted: Wed Sep 19, 11:25... ( 12 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread,.375 in, in! To our application listings for full details these options and get the part... View the products that will fit your specific needs and vehicles.. recommend! In my head and what it used to be the correct yr5 Plug parts company that was founded in.. The 43N 8pcs ) NGK V-Power Spark Plugs stock 2771 Nickel core Tip Standard UR5... You have lower compression you might want to index the XR5 's so the ground is. Technology, innovation and world class design of its entire product line 10 second cars Joined: Wed Apr,... Pm Posts: 490 Location: Missouri City alloy ( 15 ) in shorter!