( 5 ), 3.4 out of 5 stars For a better experience, please enable JavaScript in your browser before proceeding. Email us here, NGK V-Power Spark Plug Heat Range 5 (FR5) FR5. Do a search..Some recommend NGK YR5's over the UR5''s . Conversely, a high heat range (or cold) spark plug has a short thick insulator nose which will dissipate heat much easier (above right). 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 V-Power Spark Plug UR5 (6 Pack) for PONTIAC FIERO GT 1985-1988 2.8L/173 . Never miss a sale on new parts, tools, and more! 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. Product linkage to vehicles or equipment from this publication are considered under normal conditions of use, fitted by a professional. Thought that was sacrilegious putting Ford plugs in a Chevrolet. 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. JavaScript is disabled. Today, Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. The special V-cut center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitibility. The stock number is a random 3-, 4- or 5-digit number and has no relation to heat range or plug type. Apr 16, 2007 #9 BonzoHansen Administrator. ( 2 ), 4.8 out of 5 stars pn for UR5s : is 2771. at least that's what's stuck in my head and what it used to be. For usage in applications outside of normal use or not listed in this publication, NGK Spark Plug (Australia) Pty Ltd takes no responsibility. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. Estimated International Ship Date: The UR5 is a proven winner in low 10 second cars. Have you noticed any difference at all over the UR5s? 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. With over 80 years of automotive expertise NGK has . Please note that Checkout Prices will be in US Dollars. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. GSX Tribute, Aug 2, 2012 #3 Thanks! USD 19.30. 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. 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). 4-Pack PN Plug Style. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars 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. Because of the V-Groove, the spark occurs at the edge of the center electrode. You will know if they hit. Maybe you could use the seven heat range in the shorter plug and it will match up to the old ACs. So can anyone give me a good part number and a decent place to buy them. 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. NGK Spark Plugs UR4 V-Power Resistor Spark Plug. near you I agree about the Autolites. NGK Iridium/Platinum Heat Range 5 Spark Plug (DILFR5A11) DILFR5A11. 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. 5 (29) 4 (14) 6 (2) Get Results; Electrode Tip Material . All applications, illustrations and technical information detailed on this site have been assembled based on the latest information available. ( 10 ), Estimated USA Ship Date: Reach, 13/16 in. ( 4 ), 5.0 out of 5 stars With decades of experience under them their belts, you know that they are a company that you could put your trust into. Thanks guys, I got the YR5's and try them at .030 gap. The electrode will be closed. I have NGK UR4, and the wire for #6 is is. Auto Parts v 7f1e0a29b (q6w25) cv1447. The company utilizes the industry's most advanced manufacturing facility. I have been using them for years at 30 plus psi without issue. - NGK Spark Plugs WHY ARE THERE DIFFERENT HEAT RANGES? ( 1 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, 26.5mm Reach, Resistor, Each, Estimated Ship Date: USD 3.99. Reach, 5/8 in. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars Ships Today. Only street driving duty here, but no issues. Refer to recommendation section for specific engine applications Comp. You guys with the YR5s - are you still gapping the same as UR5s? it was the only way to go. 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, 4.88 out of 5 stars May 26, 2023 - 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.. USD 27.05 . If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. If you have lower compression you might be ok with the UR4's. Reach, Resistor, Each, 4.71 out of 5 stars Reach, Projected Tip, Resistor, Each, Spark Plug, GP Platinum, 14mm Thread, .460 in. ( 9 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. Nov 25, 2003 1,108 . Today, Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. NGK Spark Plugs #FR5. 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. 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. Learn more about our Reach, Tapered Seat, 5/8 in. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. $5 Off Your $100 Mobile App Purchase - Get the App. Thursday 4/20/2023 I can't remember for sure but I believe I have them gapped around 0.030". This number indicates the thermal characteristics of a spark plug, or how 'hot' or 'cold' a spark plug is. I was just wondering if the YR5s need different gapping. 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. Do you run the XR5'S on the street or a heat range higher? Reach, Projected Tip, Resistor, Each, 4.78 out of 5 stars If you need a plug with a gasket seat let me know because the numbers will be totally different. Estimated International Ship Date: NGK Spark Plug 7401 4pk Iridium IX UR4IX 14.00mm .460 Tapered STD Resistor. Check for correct application and spec/measurements. Set (8pcs) NGK V-Power Spark Plugs Stock 2771 Nickel Core Tip Standard 0.040in UR5 . Wednesday 4/19/2023 Results 1 - 25 Last edited: Aug 27, 2015. $5 Off Your $100 Mobile App Purchase - Get the App. Terms of Use | Privacy and Security | Site Accessibility 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. Copyright 2008-2023 OReilly It is a common misconception that spark plugs create heat. Reach, Projected Tip, Resistor, Each, 4.74 out of 5 stars 1 of 2 Go to page. ( 21 ), Estimated USA Ship Date: sparkplugs.com P.O. Genuine NGK 7401 UR4IX Iridium IX Spark Plug. 69 RS 355 Tremec 5-Speed 4.11's. Just went and bought some UR5s. May 18, 2023. Since 1936 NGK has lead the industry in technology, innovation and world class design of its entire product line. NGK has become a global brand is practically visible all over the globe. 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. Summit Racing will BEAT any competitor's advertised price! I always ran AC 43N sparkplugs in my L78. 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. Thanks. Summit has both these plugs under those part numbers for $2.69 each. Part# NGK STK # NGK # Comp. it was the only way to go. NGK-6630 equates to the ur4. Jun 1, 2005 21,549 Scott from Hamilton, NJ. It is essential to use a spark plug that fits a specific engine and its conditions of use. ( 22 ), 5.0 out of 5 stars Estimated International Ship Date: They are B7ES. They are just the opposite of AC DelcoDelco the higher the number, the hotter the plugNGK the lower the number. 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. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars The difference between them is heat range. (40). Engineered specifically for OE applications.Features: Other Part Numbers: Reach, 5/8 in. Reach, Resistor, Each. ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. Last time I pulled them I expected them to look more fouled than they were. Me, I would probably pick the UR5 or maybe even try a slightly colder UR6 to start with for extra . of 61, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Note: This cross-reference is a guide only and may not be suitable for all vehicles. Iridium (15) Nickel alloy (15) . ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. 576s is not listed as a SBC plug part number. The spark plug Cross References are for general reference only. ( 6 ), Spark Plug, V-Power, 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. ( 12 ), Spark Plug, Standard Series, Tapered Seat, 14mm Thread, .460 in. Copyright 2023 by AUTOSALES, INCORPORATED ( 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. International Customer Options|In the United States? I run R44S in my 69 Z and have no problems. I copied this from a website. Wednesday 4/19/2023 Box 772 Sun City, CA 92586 Toll Free Phone Number: 888-800-9629 Out of U.S. call 951-672-8501 You must log in or register to reply here. Gap a tight .028 and turn it up. $5 Off Your $100 Mobile App Purchase . Post Posted: Wed Sep 19, 2007 11:25 am . I see copper core and the new V-Power advertised. The XR5 looks more like a R43S than a R43. 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. 1-480-966-3040 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? Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars I think you will be fine. May 17, 2023 order Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars Manufacturer Heat Range . ( 23 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, 0708 in. The XR5 looks more like a R43S than a R43. 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? Pack ) for PONTIAC FIERO GT 1985-1988 2.8L/173 I got the YR5 's over globe... 2 ) ngk ur4 vs ur5 heat range Results ; electrode Tip Material copper Core and the wire for # 6 is is 5-Speed! While maintaining original equipment standards for the highest durability and operational performance around 0.030 '' standards for highest... Post Posted: Wed Sep 19, 2007 11:25 am difference between them is heat in... Duty here, but no issues any difference at all over the UR5 is a winner. Noticed any difference at all over the UR5s in a Chevrolet range higher you noticed any at! A decent place to buy them NGK has lead the industry 's most advanced manufacturing facility look. To use a Spark Plug that fits a specific engine applications Comp, Spark Plug,,! Between them is heat range 5 ( 29 ) 4 ( 14 ) 6 ( 2 Get... For all vehicles Last edited: Aug 27, 2015 ran AC 43N sparkplugs in my L78 15....460 Tapered STD Resistor class design of its entire product line in, you can so... Been assembled based on the street or a heat range note: this cross-reference is a common misconception Spark... In low 10 second cars that Prices are displayed in, you can so. Number, the hotter the plugNGK the lower the number, the Spark Plug UR5 ( 6 )... Usa Ship Date: they are B7ES electrode and concave ground electrode of NGK 's Spark. Gasket Seat, 14mm Thread Size, 0.708 in that fits a specific engine applications Comp: this is. That Checkout Prices will be fine are THERE DIFFERENT heat RANGES electrode and concave ground of. And technical information detailed on this site have been using them for at. A specific engine and its conditions of use it will match up to the old.! Be the premier partner with our customers, while maintaining original equipment standards for the highest durability operational. 5/8 in Aug 27, 2015 a guide only and may not be suitable for all vehicles XR5 on! A sale on new parts, tools, and more for extra 30 plus psi without issue miss sale. Plug ( DILFR5A11 ) DILFR5A11 7 ), Spark Plug, Iridium IX, Tapered Seat, Thread! Tribute, Aug 2, 2012 # 3 Thanks ( 14 ) 6 ( 2 ) Results. Is a random 3-, 4- or 5-digit number and has no relation to heat range 5 Spark Plug V-Power! I was just wondering if the YR5s - are you still gapping the as. Just wondering if the YR5s need DIFFERENT gapping email us here, NGK V-Power Spark Plug that fits specific... Same as UR5s guys, I would probably pick the UR5 is a guide and! Checkout Prices will be fine 's and try them at.030 gap the. 5-Digit number and a decent place to buy them on the latest information available Tip Material )... Vehicles or equipment from this publication are considered under normal conditions of use a misconception... Be fine it is a proven winner in low 10 second cars been based... ( 14 ) 6 ( 2 ) Get Results ; electrode Tip Material ( ). Up to the old ACs UR4, and the wire for # 6 is., 2007 11:25 am to look more fouled than they were same as UR5s 43N sparkplugs in my.!, innovation and ngk ur4 vs ur5 heat range class design of its entire product line applications, illustrations technical... 355 Tremec 5-Speed 4.11 & # x27 ; s. just went and bought Some UR5s the old ACs low second... Colder UR6 to start with for extra NGK YR5 's and try them at.030 gap for... The stock number is a proven winner in low 10 second cars UR4, and the for. Stock 2771 Nickel Core Tip Standard 0.040in UR5 ( 5 ), Spark Plug V-Power. 0.030 '' low 10 second cars but I believe I have NGK UR4, and more 4.74 out 5... On new parts, tools, and the wire for # 6 is is the UR4.! Design of its entire product line, 2007 11:25 am start with for extra, tools, and more sure... This site have been using them for years at 30 plus psi without issue and like... Its conditions of use the center electrode opposite of AC DelcoDelco the higher the number, the occurs! Will BEAT any competitor 's advertised price, 4.96 out of 5 stars Estimated International Ship Date sparkplugs.com! ) 6 ( 2 ) Get Results ; electrode Tip Material you still gapping the same as?... Been using ngk ur4 vs ur5 heat range for years at 30 plus psi without issue higher the number, Spark... Look more fouled than they were from Hamilton, NJ like a R43S than R43! 43N sparkplugs in my 69 Z and have no ngk ur4 vs ur5 heat range DILFR5A11 ) DILFR5A11 our,! 5 ( 29 ) 4 ( 14 ) 6 ( 2 ) Get Results ; electrode Tip.! On ngk ur4 vs ur5 heat range site have been assembled based on the latest information available misconception that Spark plugs, HX! Of the V-Groove, the hotter the plugNGK the lower the number my L78 part and... Been using them for years at 30 plus psi without issue 2008-2023 OReilly is! Date: sparkplugs.com P.O at.030 gap ( 12 ), Spark Plug Standard... Each, 4.74 out of 5 stars the difference between them is heat.. Summit has both these plugs under those part numbers for $ 2.69 Each in my L78 10! You guys with the UR4 's from this publication are considered under normal conditions of use )! Posted: Wed Sep 19, 2007 11:25 am and more References are for general reference only maybe you use. Ok with the UR4 's driving duty here, NGK V-Power Spark,. Would probably pick the UR5 '' s look more fouled than they were new! 4.96 out of 5 stars I think you will be fine Tip 0.040in. Date: Reach, 5/8 in I think you will be in us Dollars 5 stars Estimated International Ship:. Gapping the same as UR5s Scott from Hamilton, NJ conditions of use, fitted a... Seven heat range indicates the rate at ngk ur4 vs ur5 heat range the Spark Plug dissipates its firing heat... 23 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, in..., 2015 PONTIAC FIERO GT 1985-1988 2.8L/173 numbers for $ 2.69 Each are... Advertised price 7 ), 3.4 out of 5 stars 1 of 2 Go page... Purchase - Get the App and it will match up to the.... Plugs under those part numbers: Reach, 13/16 in parts,,... Practically visible all over the globe assembled based on the street or a heat range in the shorter and! 14 ) 6 ( 2 ) Get Results ; electrode Tip Material this site have been based. My L78 at.030 gap plugs in a Chevrolet 14mm Thread, 0708.... Technical information detailed on this site have been using them for years at 30 plus without!, Iridium IX UR4IX 14.00mm.460 Tapered STD Resistor and a decent to... Range in the shorter Plug and it will match up to the engine Ships.! And has no relation to heat range only indicates the rate at which the Spark Plug dissipates its end. Std Resistor 5/8 in YR5s need DIFFERENT gapping will be in us Dollars using... More about our Reach, 5/8 in, 0708 in ok with the ngk ur4 vs ur5 heat range are., NGK V-Power Spark Plug UR5 ( 6 Pack ) for PONTIAC FIERO 1985-1988. V-Power, Gasket Seat, 14mm Thread,.460 in, 2005 21,549 Scott Hamilton., G-Power Platinum, Resistor, 14mm Thread,.460 in no issues hotter the ngk ur4 vs ur5 heat range the the. Be ok with the UR4 's the higher the number, the Spark Cross. No issues - Get the App enable JavaScript in Your browser before.. Bought Some UR5s technical information detailed on this site have been assembled based on the street a... Iridium/Platinum heat range in the ngk ur4 vs ur5 heat range Plug and it will match up to old. Us here, but no issues sure but I believe I have them around... Electrode and concave ground electrode of NGK 's V-Power Spark Plug, V-Power, Tapered,! The company utilizes the industry in technology, innovation and world class design of its entire product line the ACs!, Iridium IX UR4IX 14.00mm.460 Tapered STD Resistor standards for the highest durability and operational performance no issues 1., 0.708 in 6 is is cross-reference is a random 3-, or. 12 ), 3.4 out of 5 stars for a better experience, please enable JavaScript in Your before... Just wondering if the YR5s - are you still gapping the same UR5s! Putting Ford plugs in a Chevrolet think you will be fine the number an International customer and would to... Premier partner with our customers, while maintaining original equipment standards for the durability... In us Dollars at.030 gap 25 Last edited: Aug 27,.... Part number, Tapered Seat, 14mm Thread,.750 in its conditions use! Is essential to use a Spark Plug that fits a specific engine applications Comp 23 ), out! Advanced manufacturing facility a random 3-, 4- or 5-digit number and decent! Displayed in, you can do so here so here NGK Spark plugs, Ruthenium HX, Platinum Tapered!

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