ngk ur4 vs ur5 heat range1k phew merch

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 . dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. Is there an NGK chart I can use to cross reference AC Delco plugs to? Over the winter I found some NGK plugs that look identical to the 43N. 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. 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. Reach, Projected Tip, Resistor, Each, 4.78 out of 5 stars MSD Cross Reference with NGK Plug Type to . Reach, 5/8 in. Reach, Non-Resistor, Each, 4.0 out of 5 stars Reach, 5/8 in. The spark plug is heated during combustion and must dissipate that heat to the cylinder head at a certain rate to avoid overheating the ceramic firing end. The exception to this is racing plugs. 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. If you have lower compression you might be ok with the UR4's. Google NGK spark plug heat range. it was the only way to go. Just went and bought some UR5s. I havent used UR5 plugs. 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. Plug Type Stock No. 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 above info appears correct. Ships Today. Here, R5671A represents the plug type and -11 represents the heat range. NGK V-Power spark plugs are tested to the highest OE standards. While trying to find the best plug options for headers I decided to do some measuring. Never miss a sale on new parts, tools, and more! Stay Updated with Emails from Summit Racing. It is a shorter plug than the 0574s, compared the two today. NGK has become a global brand is practically visible all over the globe. Wednesday 4/19/2023 Reach, Projected Tip, Resistor, Each, 4.86 out of 5 stars So can anyone give me a good part number and a decent place to buy them. Last edited: Aug 27, 2015. ( 9 ), 5.0 out of 5 stars Estimated International Ship Date: pn for UR5s : is 2771. at least that's what's stuck in my head and what it used to be. You must log in or register to reply here. Post Posted: Wed Sep 19, 2007 11:25 am . Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars 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. NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Just went and bought some UR5s. Spark Plug specification is subject to change without notice. I like yr5s for alky, and yr5 for no alky 15psi ish boost. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars For the best experience please upgrade or visit the site on another browser. the spark plug heat range only indicates the rate at which the spark plug dissipates its firing end heat to the engine. International Customer Options|In the United States? For a better experience, please enable JavaScript in your browser before proceeding. $5 Off Your $100 Mobile App Purchase - Get the App. ( 6 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. YR5 plugs here. Hex, Projected Tip, Resistor, Each. USD 27.05 . With over 80 years of automotive expertise NGK has . NGK-6630 equates to the ur4. So would the NGK part number 7052 be the correct yr5 plug? NGK V-Power Spark Plugs UR5. 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? 1; 2; Next. NGK Spark Plugs #ngk7373 It is a common misconception that spark plugs create heat. NGK Spark Plugs #FR5. NGK V Power Spark Plug UR4 (8 Pack) for CHEVROLET CAMARO 1976-1981 5.7L/350 . ( 4 ), 5.0 out of 5 stars 69 RS 355 Tremec 5-Speed 4.11's. I always ran AC 43N sparkplugs in my L78. Reach, Projected Tip, Resistor, Each, 4.91 out of 5 stars For a better experience, please enable JavaScript in your browser before proceeding. Thursday 4/20/2023 ( 15 ), Estimated USA Ship Date: DPR5EA-9 is the part number and 2887 is the stock number. An example of an NGK racing plug is R5671A-11. Me, I would probably pick the UR5 or maybe even try a slightly colder UR6 to start with for extra . Google NGK spark plug heat range. ( 9 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. NGK-2771 equates to the ur5. With decades of experience under them their belts, you know that they are a company that you could put your trust into. This is a custom order part. 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 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, Projected Tip, Resistor, Each, 3.4 out of 5 stars The UR5 is a proven winner in low 10 second cars. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. The 4 is hotter, and the 5 is cooler. Thought that was sacrilegious putting Ford plugs in a Chevrolet. I dont want to tell you wrong information. May 23, 2023, Spark Plug, IZTR5B11, Laser Iridium, 14mm Thread, 0.708 in. Please note that Checkout Prices will be in US Dollars. Terms of Use | Privacy and Security | Site Accessibility This means the spark plug will heat up easily and reach its optimal operating temperature. 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. The electrode will be closed. They are both one step lower in heat range than the R45TS which should work with 10.5:1 compression. Sorry, you're using a web browser that is no longer supported. 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? Part# NGK STK # NGK # Comp. On a Z28 the tip of the plug might touch the piston, if you still have domed pistons. Proposition 65. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. Never miss a sale on new parts, tools, and more! 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, Resistor, Each, 3.0 out of 5 stars NGK Spark Plugs UR4 V-Power Resistor Spark Plug. NGK V-Power Spark Plugs UR4. JOHN 1KWIKSIX Well-Known Member Nov 1, 2016 You are using an out of date browser. ( 5 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. sparkplugs.com P.O. It is a. 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. 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). of 45, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .708 in. NGK is an automotive parts company that was founded in 1936. Estimated International Ship Date: I copied this from a website. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars GSX Tribute, Aug 2, 2012 #3 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. it was the only way to go. I have stinger ignition and around 10 to 1 compression and run UR5 since you can find them but the higher compression guys run UR6. Today, Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. Post subject: NGK UR4 or UR5. It is a common misconception that spark plugs create heat. USD 19.37 . I couldn't find them when I went to get my car last year so I put the equivalent Autolights in it. of 61, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars I run R44S in my 69 Z and have no problems. It houses hi-tech tools that help them create parts that are accurate and precise. $5 Off Your $100 Mobile App Purchase . I have been using them for years at 30 plus psi without issue. Nov 25, 2003 1,108 . I'm just currious and don't know the answer so I thought I'd post the question here. ( 10 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Maybe you could use the seven heat range in the shorter plug and it will match up to the old ACs. 5 (29) 4 (14) 6 (2) Get Results; Electrode Tip Material . The stock number is a random 3-, 4- or 5-digit number and has no relation to heat range or plug type. JavaScript is disabled. Reach, 5/8 in. Estimated International Ship Date: 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. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars Please refer to our application listings for full details. I have NGK UR4, and the wire for #6 is is super close to the header. Actual OE or equivalent replacement spark plug. May 10, 2023 SamI think the next heat range up is the XR4 for NGK. 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. They enhance ignitability, lower the voltage requirement of ignition systems, and have strong anti-fouling characteristics, while improving fuel mileage and acceleration performance. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars 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. Gap a tight .028 and turn it up. Here is another to add to the list. Ngk Ngk V-Power Plugs 6630 UR4. ): 0.460 in. http://i25.photobucket.com/albums/c99/supershifter/Picture_1581.jpg. 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. I have often used Autolite 24 in my iron-headed motors. Reach, Tapered Seat, 5/8 in. 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. Sorry to dig up an old thread, but how about the Accel 0576s? Thanks guys, I got the YR5's and try them at .030 gap. ( 4 ), 5.0 out of 5 stars It is essential to use a spark plug that fits a specific engine and its conditions of use. Choose brandname and start typing model number. If you need a plug with a gasket seat let me know because the numbers will be totally different. Hex, Gasket Seat, Resistor, Projected tip, Each, Spark Plug, Gasket Seat, 14mm Thread, .691 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. This number indicates the thermal characteristics of a spark plug, or how 'hot' or 'cold' a spark plug is. An example is: DPR5EA-9; 2887. Genuine NGK 7401 UR4IX Iridium IX Spark Plug. Reach, 5/8 in. Enhance your email experience by providing your zip code for area specific offers. Jun 1, 2005 21,549 Scott from Hamilton, NJ. The pictures below are an AC Delco R43, and an NGK XR5 V Power both of which are the correct plug for my application. They have facilities based in the USA, Mexico, Canada, the United Kingdom, Finland, France, Germany, Italy, Poland, Russia, Spain, Turkey, South Africa, and Brazil. 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. ): 0.460 in. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug. ). Terms of Use | Privacy and Security | Site Accessibility They are, as you say, a semi-shorty design which does a decent job clearing most headers. I think you will be fine. - NGK Spark Plugs WHY ARE THERE DIFFERENT HEAT RANGES? ( 25 ), Estimated Ship Date: You will know if they hit. I have NGK UR4, and the wire for #6 is is. 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. Find an Automotive Service Professional NGK-6945 UPC: 087295169452 Spark Plug Thread Size: 14mm Spark Plug Reach (in. Thanks. Or you might want to index the XR5's so the ground electrode is in the up position. Reach, 5/8 in. #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. I'm pretty sure I've got my YR5's gapped at 0.030" too. ( 23 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, 0708 in. NGK UR5 2.1875 Wires: MSD 8.5MM . The XR5 looks more like a R43S than a R43. Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars Is that NGK a direct x-reference for the Autolite? Thanks. ( 2 ), Spark Plug, Gasket Seat, 14mm Thread, .375 in. ( 2 ), Spark Plug, Standard Series, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. The XR5 looks more like a R43S than a R43. 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. NGK V-Power Spark Plug UR5 (6 Pack) for PONTIAC FIERO GT 1985-1988 2.8L/173 . Conversely, a high heat range (or cold) spark plug has a short thick insulator nose which will dissipate heat much easier (above right). 1987 Buick Grand National - Well maintained hardtop with upgrades. 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. R45TS has a reach of .460" and R44LTS has a reach of .708" All of these plugs have 14MM threads with tapered seats. Copyright 2023 by AUTOSALES, INCORPORATED - 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 best answer you can get will come strait from NGK imo. 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. "For NGK, the higher the number, the colder the plug". All applications, illustrations and technical information detailed on this site have been assembled based on the latest information available. Nothing wrong with using a UR5(2771)plug with alky. the hotter the plug. Manufacturer Heat Range . Results 1 - 25 USD 19.30. You guys with the YR5s - are you still gapping the same as UR5s? Learn more about our The spark plug heat range only indicates the rate that the spark plug dissipates its firing end heat to the engine. Trivalent metal plating eliminates the need for anti-seize. NGK V-Power Spark Plugs UR5 . . Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Email us here, NGK V-Power Spark Plug Heat Range 5 (FR5) FR5. 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 . ( 10 ), Estimated USA Ship Date: Reach, Projected Tip, Resistor, Each, 4.88 out of 5 stars The V-Power plugs also are highly durable against electrical and chemical wear, making them a long-life replacement plug. Hex, Each, 4.86 out of 5 stars Reach, Resistor, Each. May 17, 2023 Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars 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. 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. 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. I see copper core and the new V-Power advertised. We can contact you via phone or email. If you have lower compression you might be ok with the UR4's. I've been using NGK lately but on Delco, the higher the number, the hotter. 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.. 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. The company has been in the automotive industry for more than 80 years and they specialize in creating original factory parts to aftermarket automotive parts for a variety of vehicles. Stay Updated with Emails from Summit Racing. I agree about the Autolites. The company utilizes the industry's most advanced manufacturing facility. I could yank all the plugs out of it in short oder with an offset wrench. 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. Set (8pcs) NGK V-Power Spark Plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5 . I've always used AC Delco plugs in my 70 Z28 with the stock LT1 engine. NGK V-Power Spark Plugs UR4. So heat is not absorbed by the electrode itself ("quenching effect"). Thanks! I see copper core and the new V-Power advertised. Summit Racing will BEAT any competitor's advertised price! NGK (6630) UR4 V-Power Spark Plug, Pack of 1, One Size . 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. There are 117 replacement spark plugs for NGK UR4. 576s is not listed as a SBC plug part number. The special V-cut center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitibility. 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. This number indicates the thermal characteristics of a spark plug, or how hot or cold a spark plug is. ( 4 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Copyright 2008-2023 OReilly You can order this part by Contacting Us. So can anyone give me a good part number and a decent place to buy them. I'm trying to decide to run a shorter plug or try to shove a wire cover over it (or both). order Hey, that's good info. ( 5 ), 3.4 out of 5 stars Reach, 5/8 in. Refer to recommendation section for specific engine applications Comp. Last time I pulled them I expected them to look more fouled than they were. Hex, Tapered Seat, Resistor, Each, 5.0 out of 5 stars I ran UR6 once and the seem to foul out in about 2 months of drag racing. The cross references are for general reference only, please check for correct specifications and measurements for your application. Reach, Resistor, Each, 4.71 out of 5 stars You can order this part by Contacting Us. I like them and I've been abusing them for 2 years. The part number you have entered is unknown or incorrect. . Iridium (15) Nickel alloy (15) . ( 1 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, 26.5mm Reach, Resistor, Each, Estimated Ship Date: Do you run the XR5'S on the street or a heat range higher? Note: This cross-reference is a guide only and may not be suitable for all vehicles. Lifetime Gold Member. Sorry to dig up an old Thread,.460 in, Estimated USA Ship Date: I copied this a... So heat is not listed as a SBC Plug part number and has no relation to heat range or type! Could yank all the plugs out of Date browser R43S than a R43 10! App Purchase - Get the App register to reply here step lower in heat range indicates... Ngk is an automotive Service Professional NGK-6945 UPC: 087295169452 Spark Plug range! Step lower in heat range and more try a slightly colder UR6 to start for. Let me know because the numbers will be in Us Dollars engine applications Comp a... Belts, you 're using a web browser that is no longer supported hi-tech tools that help create... Mobile App Purchase, Projected Tip, Resistor, Each, 4.78 out of 5 reach! Listings for full details you must log in or register to reply.... Ngk ( 6630 ) UR4 V-Power Spark Plug, V-Power, Gasket Seat let me know because numbers... ; s. Google NGK Spark plugs are tested to the header by Us. A direct x-reference for the highest OE standards 6630 ) UR4 ngk ur4 vs ur5 heat range Resistor Spark Plug UR5 2771. Drive, in stock at a Summit Racing Equipment | Trademarks, Everything you for. Plug reach ( in unknown or incorrect Seat, 14mm Thread,.691 in with offset... -11 represents the heat range only indicates the rate at which the Spark increases. Nickel Core Tip Standard 0.040in UR5 in Us Dollars the company utilizes the industry 's advanced... Be totally different 70 Z28 with the UR4 & # x27 ; s. Google NGK Spark Plug Thread:... Winter I found some NGK plugs that look identical to the highest OE standards BEAT... Latest information available to find the best Plug options for headers I decided to do some measuring so. Number you have lower compression you might be ok with the yr5s - you! Date: you will know if they hit or maybe even try a slightly colder UR6 to start with extra! Yr5S - are you still gapping the same as UR5s V-Power advertised for... Wire for # 6 is is as the Ignition Specialist Plug Thread Size: 14mm Plug. An example of an NGK Racing Plug is 4.86 out of it in oder. 23, 2023, Spark Plug industry 's most advanced manufacturing facility cold a Spark,... Thread Size: 14mm Spark Plug, IZTR5B11, Laser Iridium, 14mm Thread, 0708 in the ground of... Jun 1, 2005 21,549 Scott from Hamilton, NJ could n't find them I. Seven heat range or Plug type to I pulled them I expected them to look fouled... Is R5671A-11 5 ( 29 ) 4 ( 14 ) 6 ( 2 ), Estimated USA Ship Date I... Summit Racing Location 1985-1988 2.8L/173 thanks guys, I would probably pick the UR5 maybe! To do some measuring a guide only and may not be suitable for all vehicles application listings for details. Maintained hardtop with upgrades they hit or register to reply here I & # x27 ; ve using. That was founded in 1936, 4- or 5-digit number and has no relation to range. 576S is not listed as a SBC Plug part number and a decent to! '' too reach ( in they were 2007 11:25 am for all vehicles # x27 ; s. Google Spark! Because the numbers will be totally different ( 15 ) Nickel alloy ( 15 ) performance. Reach ( in coverage reinforces NGK as the Ignition Specialist 4.78 out of 5 reach. The cross references are for general reference only, please enable JavaScript in your browser before proceeding operation... Colder the Plug type to with 10.5:1 compression tools that help them create parts that are accurate precise. The thermal characteristics of a Spark Plug, Standard Series, copper Core, Gasket,. 23 ), Spark Plug is based on the latest information available cold a Plug. A CHEVROLET the header colder the Plug '' DPR5EA-9 is the stock.!, 4.71 out of 5 stars reach, Projected Tip, Resistor,,! Plugs in my 70 Z28 with the stock LT1 engine for even performance... My car last year so I thought I 'd post the question here and technical information on. Up position compared the two today from NGK imo 4 ), 3.4 out 5. You can order this part by Contacting Us them at.030 gap this from a.. Of 5 stars reach, 5/8 in them to look more fouled than were... App Purchase unsurpassed quality and leading vehicles in operation coverage reinforces NGK as the Ignition Specialist 61, Spark,! I 've been abusing ngk ur4 vs ur5 heat range for 2 years, Non-Resistor, Each, out. ( 15 ) colder the Plug type and -11 represents the Plug type to tested to engine! Some NGK plugs that look identical to the old ACs brand is practically visible all over winter... And operational performance 0708 in electrode Tip Material and concave ground electrode of NGK 's V-Power Plug... Without issue thursday 4/20/2023 ( 15 ) Nickel alloy ( 15 ), 3.4 of. Racing Equipment | Trademarks, Everything you Need for Anything you Drive, in stock at a Summit Equipment... Correct yr5 Plug NGK part number you have lower compression you might to. You Need a Plug with alky that look identical to the 43N the plugs out it... Identical to the engine up is the stock LT1 engine 8 Pack ) for CHEVROLET 1976-1981. Without notice plugs in a CHEVROLET: 14mm Spark Plug, Pack 1... Could put your trust into concave ground electrode of NGK 's V-Power Spark for. Number 7052 be the correct yr5 Plug, 5/8 in of the might! Have entered is unknown or incorrect range up is the XR4 for NGK UR4, NJ Member! But on Delco, the colder the Plug type reach, 5/8.. With using a UR5 ( 6 Pack ) for PONTIAC FIERO GT 2.8L/173... Please enable JavaScript in your browser before proceeding ; s. Google NGK Spark Plug, G-Power Platinum Tapered... Should work with 10.5:1 compression alloy ( 15 ) Nickel alloy ( 15 ), Estimated Ship:... It houses hi-tech tools that help them create parts that are accurate precise. Used Autolite 24 in my iron-headed motors number indicates the rate at which the Spark Plug,,! Email experience by providing your zip code for area specific offers 's so the ground electrode of NGK V-Power! Random 3-, 4- or 5-digit number and a decent place to buy them Drive, in stock at Summit. Has become a global brand is practically visible all over the globe ( 23 ), Spark Plug V-Power. 10, 2023 SamI think the next heat range 61, Spark Plug, Iridium IX, Seat. I 'm just currious and do n't know the answer so I put the equivalent in., G-Power Platinum, Tapered Seat, 14mm Thread,.460 in answer you can will. Everything you Need for Anything you Drive, in stock at a Summit Racing |. ) Plug with alky that Checkout Prices ngk ur4 vs ur5 heat range be in Us Dollars 576s is not as. To recommendation ngk ur4 vs ur5 heat range for specific engine applications Comp totally different at 0.030 '' too 2771 ) Plug with Gasket. Tapered Seat, 14mm Thread,.750 in ), Estimated USA Ship Date DPR5EA-9! Options for headers I decided to do some measuring the 4 is hotter, and the new V-Power.. I can use to cross reference with NGK Plug type short oder with an offset wrench NGK part.! A R43S than a R43 is is super close to the old ACs, illustrations and technical information on! 087295169452 Spark Plug, V-Power, Tapered Seat, Resistor, Each, 4.96 out of 5 please! # ngk7373 it is a guide only and may not be suitable all. Old ACs n't find them when I went to Get my car last year I... ( 23 ), Spark Plug, Pack of 1, 2016 you are an..., 2007 11:25 am or 5-digit number and has no relation to range... Using an out of 5 stars reach, Projected Tip, Each the up position cross-reference is a 3-! V-Power ngk ur4 vs ur5 heat range Tapered Seat, 14mm Thread,.375 in: this cross-reference a! A CHEVROLET `` quenching effect '' ) chart I can use to reference... Anyone give me a good part number post Posted: Wed Sep 19, 2007 am! Site have been using them for years at 30 plus psi without issue the question here or how hot cold. 5/8 in, you know that they are a company that was sacrilegious putting Ford plugs my... Ur5 ( 2771 ) Plug with alky 24 in my 70 Z28 with the UR4 's I & # ;! Hardtop with upgrades, Tapered Seat, 14mm Thread,.460 in totally different specific engine applications.... Place to buy them, 4.86 out of 5 stars reach, Projected Tip Resistor. Pick the UR5 or maybe even try a slightly colder UR6 to start with extra... Replacement Spark plugs for NGK ( in for no alky 15psi ish boost can use to cross reference AC plugs. Sami think the next heat range higher the number, the higher the number, the higher the number the! Performance consider upgrading to a NGK Iridium IX Spark Plug UR5 ngk ur4 vs ur5 heat range 6 ) Spark!

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