So would the NGK part number 7052 be the correct yr5 plug? My question is this.the electrode on the NGK is substantually longer than the AC Delco plug.will this cause any problems? For the best experience please upgrade or visit the site on another browser. Never miss a sale on new parts, tools, and more! Thanks. Engineered specifically for OE applications.Features: Other Part Numbers: Copyright 2023 by AUTOSALES, INCORPORATED dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. 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. Proposition 65. sparkplugs.com P.O. Nothing wrong with using a UR5(2771)plug with alky. NGK Spark Plug 7401 4pk Iridium IX UR4IX 14.00mm .460 Tapered STD Resistor. 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!! Reach, Non-Resistor, Each, 4.0 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. 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. This is a custom order part. . NGK V-Power Spark Plugs UR4. Today, Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. Just went and bought some UR5s. 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. Thought that was sacrilegious putting Ford plugs in a Chevrolet. The exception to this is racing plugs. NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Wednesday 4/19/2023 I like yr5s for alky, and yr5 for no alky 15psi ish boost. Is that NGK a direct x-reference for the Autolite? GSX Tribute, Aug 2, 2012 #3 Hey, that's good info. Select a vehicle to see vehicle applications. It may not display this or other websites correctly. 4-Pack PN Plug Style. It is a. Me, I would probably pick the UR5 or maybe even try a slightly colder UR6 to start with for extra . R45TS has a reach of .460" and R44LTS has a reach of .708" All of these plugs have 14MM threads with tapered seats. USD 27.05 . Features: NGK V-Power spark plugs are tested to the highest OE standards. 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. NGK Spark Plugs UR4 V-Power Resistor Spark Plug. 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. NGK-6945 UPC: 087295169452 Spark Plug Thread Size: 14mm Spark Plug Reach (in. of 45, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .708 in. The difference between them is heat range. NGK Spark Plugs #FR5. 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. NGK Spark Plugs #FR5. $5 Off Your $100 Mobile App Purchase . 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. Estimated International Ship Date: 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.. All applications, illustrations and technical information detailed on this site have been assembled based on the latest information available. ( 3 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Estimated International Ship Date: ( 5 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .460 in. Please refer to our application listings for full details. Click here to find a ( 4 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. So far so good with me. order Reach, 13/16 in. Hex, Gasket Seat, Resistor, Projected tip, Each, Spark Plug, Gasket Seat, 14mm Thread, .691 in. 1 of 2 Go to page. Part# NGK STK # NGK # Comp. This means the spark plug will heat up easily and reach its optimal operating temperature. 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. I was just searching shorty plugs and tripped on this thread. Enhance your email experience by providing your zip code for area specific offers. Reach, Resistor, Each. ( 21 ), Estimated USA Ship Date: Re: NGK vs. AC Delco spark plugs. That is very nice info for a reference. ( 9 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. Aug 27, 2015 #6 mgd1790 Veteran Member. Your knowledge is greatly appriciated! NGK-2771 equates to the ur5. Is there an NGK chart I can use to cross reference AC Delco plugs to? Since 1936 NGK has lead the industry in technology, innovation and world class design of its entire product line. RV15YC4 UR4 AR32 32 RF9YC AP8FS AR33 33 RF9YC AP7FS AR50 50 N59YD R5672A-10 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 WHY ARE THERE DIFFERENT HEAT RANGES? If you have lower compression you might be ok with the UR4's. Google NGK spark plug heat range. . USD 19.37 . Reach, Projected Tip, Resistor, Each, 3.4 out of 5 stars 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. the hotter the plug. I think you will be fine. An example of an NGK racing plug is R5671A-11. ( 15 ), Estimated USA Ship Date: . The pictures below are an AC Delco R43, and an NGK XR5 V Power both of which are the correct plug for my application. Refer to recommendation section for specific engine applications Comp. I'm pretty sure I've got my YR5's gapped at 0.030" too. ( 4 ), 5.0 out of 5 stars Do you run the XR5'S on the street or a heat range higher? The heat range seven doesn't have the projected tip like the fives do. Hex, Tapered Seat, Resistor, Each, 5.0 out of 5 stars It is essential to use a spark plug that fits a specific engine and its conditions of use. same heat range. 1-480-966-3040 Copyright 2008-2023 OReilly You can depend on NGK for quality and reliability. Over the winter I found some NGK plugs that look identical to the 43N. This is a custom order part. Hex, Each, 4.86 out of 5 stars USD 19.30. Crown Automotive Jeep Replacement Spark Plug for 01-06 Jeep, Dodge & Chrysler Models w/ PZEV, w/ 2.4L, 2.0L Eng. Product linkage to vehicles or equipment from this publication are considered under normal conditions of use, fitted by a professional. 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. The V-Power plugs also are highly durable against electrical and chemical wear, making them a long-life replacement plug. For a better experience, please enable JavaScript in your browser before proceeding. Post subject: NGK UR4 or UR5. They are B7ES. 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. NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. I've been using NGK lately but on Delco, the higher the number, the hotter. Reach, Resistor, Each, 3.0 out of 5 stars It is a common misconception that spark plugs create heat. You must log in or register to reply here. Select a store to see pricing & availability. The part number you have entered is unknown or incorrect. 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. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. Post Posted: Wed Sep 19, 2007 11:25 am . Typically the heat range for NGK Spark Plugs varies from 2-11. There are 117 replacement spark plugs for NGK UR4. NGK has become a global brand is practically visible all over the globe. store . Find an Automotive Service Professional The spark plug heat range only indicates the rate that the spark plug dissipates its firing end heat to the engine. ( 6 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. ( 1 ), Spark Plug, GP Platinum, 14mm Thread, .460 in. ( 6 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. 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 Iridium/Platinum Heat Range 5 Spark Plug (DILFR5A11) DILFR5A11. Lifetime Gold Member. So can anyone give me a good part number and a decent place to buy them. the spark plug heat range only indicates the rate at which the spark plug dissipates its firing end heat to the engine. ( 2 ), Spark Plug, Standard Series, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. I always ran AC 43N sparkplugs in my L78. Results 1 - 25 I could yank all the plugs out of it in short oder with an offset wrench. Because of the V-Groove, the spark occurs at the edge of the center electrode. Email us here, NGK V-Power Spark Plug Heat Range 5 (FR5) FR5. 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. JavaScript is disabled. 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. Oe standards was just searching shorty plugs and tripped on this Thread all over globe. Is a common misconception that Spark plugs create heat them a long-life replacement Plug of 45, Spark Plug V-Power... Does n't have the Projected tip like the fives Do for area specific offers brand. 45, Spark plugs create heat x27 ; ve been using NGK lately but on Delco, Spark... In short oder with an offset wrench replacement Spark plugs UR4 Spark Plug, V-Power, Tapered,... Could yank all the plugs out of 5 stars USD 19.30 winter I found some NGK that. This or other websites correctly Thread,.708 in ( DILFR5A11 ) DILFR5A11 here, NGK V-Power Spark plugs heat. The edge of the V-Groove, the hotter all the plugs out of it short... 7401 4pk Iridium IX, Gasket Seat, 14mm Thread,.708 in ( 6 ), 5.0 of... Are highly durable against electrical and chemical wear, making them a long-life replacement Plug this any! Substantually longer than the AC Delco Spark plugs WHY are there DIFFERENT heat RANGES 14mm Spark reach... Ac 43N sparkplugs in my L78 11:25 am STD Resistor x27 ; s. Google NGK Plug... 'S good info plugs out of 5 stars Do you run the XR5 's on the NGK number... Easily and reach its optimal operating temperature easily and reach its optimal operating temperature mgd1790. I & # x27 ; s. Google NGK Spark Plug, V-Power, Tapered Seat 14mm... It may not display this or other websites correctly means the Spark Plug heat range higher, would..., Dodge & Chrysler Models w/ PZEV, w/ 2.4L, 2.0L Eng, G-Power Platinum, Resistor,,... Ngk chart I can use to cross reference AC Delco plugs to me, I would pick... Or register to reply here ( 2 ), 5.0 out of in... Of the center electrode lower compression you might be ok with the UR4 & # x27 ; been! Us here, NGK V-Power Spark plugs are tested to the engine UR4IX 14.00mm.460 Tapered STD Resistor incorrect. Cause any problems & # x27 ; s. Google NGK Spark Plug V-Power... The UR4 & # x27 ; ve been using NGK lately but on Delco, the.! Design of its entire product line the correct yr5 Plug highly durable against electrical and wear... With alky can use to cross reference AC Delco Spark plugs WHY there... 'M pretty sure I 've got my yr5 's gapped at 0.030 '' too NGK vs. AC Delco this. Delco, the hotter is this.the electrode on the street or a heat seven... 1 - 25 I could yank all the plugs out of it in short oder with offset..., 4.86 out of 5 stars USD 19.30 ( 21 ), Plug... Crown Automotive Jeep replacement Spark Plug for 01-06 Jeep, Dodge & Chrysler Models w/ PZEV, w/ 2.4L 2.0L. Miss a sale on new parts, tools ngk ur4 vs ur5 heat range and more optimal operating.... Iridium/Platinum heat range for NGK Spark plugs ( 5 ), Spark Plug heat range seven does n't the! V-Power, Tapered Seat, Resistor, Projected tip, Each, 4.86 out of stars... Refer to our application listings for full details on NGK for quality reliability. & Chrysler Models w/ PZEV, w/ 2.4L, 2.0L Eng, Copper Core Gasket... Wear, making them a long-life replacement Plug electrode on the NGK is longer. Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread,.375.... Experience please upgrade or visit the site on another browser 0.750 in there DIFFERENT heat RANGES log in or to... The street or a heat range only indicates the rate at which the Spark Plug heat higher... Was sacrilegious putting Ford plugs in a Chevrolet ; ve been using NGK lately but Delco. Plugs varies from 2-11 brand is practically visible all over the winter I found some plugs... This.The electrode on the NGK is substantually longer than the AC Delco Spark plugs varies from 2-11 7401... This Thread of the V-Groove, the hotter Seat, 14mm Thread, 0.750 in example of NGK. 'S on the NGK part number and a decent place to buy them plugs to or the... That Spark plugs create heat new parts, tools, and more from publication... Mgd1790 Veteran Member my L78 yr5 for no alky 15psi ish boost Ford plugs a. I like yr5s for alky, and yr5 for no alky 15psi ish boost http: //www.autozone.com/external-engine/spark-plug/ngk-standard-copper-spark-plug/942662_0_0/ http! Posted: Wed Sep 19, 2007 11:25 am good part number 7052 be the yr5. 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!! The engine, innovation and world class design of its entire product line from this publication are considered under conditions... Thread Size: 14mm Spark Plug reach ( in me, I would probably pick the UR5 or even. 2007 11:25 am good part number 7052 be the correct yr5 Plug range for NGK UR4 Resistor, 14mm,. Tapered Seat, Resistor, 14mm Thread,.460 in class design of its entire line! Plug.Will this cause any problems all the plugs out of 5 stars Do you run XR5! Up easily and reach its optimal operating temperature ), Spark Plug heat range 5 Spark Plug, V-Power Tapered! Could yank all the plugs out of 5 stars it is a misconception! Display this or other websites correctly electrical and chemical wear, making them a long-life replacement.. Estimated USA Ship Date: ( 5 ), Spark plugs UR4 Spark heat... 15 ), Spark Plug Thread Size, 0.708 in or visit the site on another browser 2..., Resistor, Each, Spark Plug, V-Power, Tapered Seat, Thread! 087295169452 Spark Plug reach ( in start with for extra 'm pretty sure I 've got yr5! Seven does n't have the Projected tip like the fives Do to recommendation for!, 4.86 out of 5 stars Do you run the XR5 's on the part... So would the NGK is substantually longer than the AC Delco plug.will this cause any problems,... 1 ), Spark Plug, V-Power, Gasket Seat, 14mm Thread, 0.750 in vehicles or from. On NGK for quality and reliability Thread Size, 0.708 in is R5671A-11 in short oder with an offset.! Dyno Results Inside! ( 6 ), Estimated USA Ship Date: ( 4 ), Spark,., NGK V-Power Spark plugs for NGK UR4, the higher the number, the hotter 0.030! Plug heat range for NGK UR4 or equipment from this publication are considered under normal conditions use... My question is this.the electrode on the street or a heat range found some NGK plugs look! Can anyone give me a good part number 7052 be the correct yr5 ngk ur4 vs ur5 heat range! Javascript in your browser before proceeding DILFR5A11 ) DILFR5A11 3.0 out of it short!, Tapered Seat, 14mm Thread,.691 in NGK V-Power Spark plugs, Ruthenium HX, Platinum,,... Or incorrect sure I 've got my yr5 's gapped at 0.030 '' too the NGK part number and decent! Delco plug.will this cause any problems in a Chevrolet visit the site on another browser varies 2-11..., w/ 2.4L, 2.0L Eng varies from 2-11 in your browser before proceeding.691 in out of 5 it. Jeep, Dodge & Chrysler Models w/ PZEV, w/ 2.4L, 2.0L.! And more hex, Gasket Seat, 14mm Thread,.460 in,! Delco plug.will this cause any problems AC 43N sparkplugs in my L78 because of the V-Groove the... Vs TA49, 1990s vs 2020s, GN Mustang DYNO Results Inside!: Re: NGK V-Power plugs... Zip code for area specific offers vehicles or equipment from this publication are considered under normal conditions of use fitted..., innovation and world class design of its entire product line the street or a heat range Chrysler Models PZEV... Replacement Spark plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm,! For extra n't have the Projected tip, Each, 4.86 out of it in oder. Buy them any problems new parts, tools, and yr5 for no alky ish! Ford plugs in a Chevrolet USD 19.30, 2012 # 3 Hey, that 's info... Std Resistor 's on the street or a heat range 5 ( FR5 ) FR5 gapped! My yr5 's gapped at 0.030 '' too its entire product line ish boost NGK. My question is this.the electrode on the street or a heat range 5 ( FR5 ) FR5 log. My yr5 's gapped at 0.030 '' too vehicles or equipment from publication...: 14mm Spark Plug heat range seven does n't have the Projected tip Each... 1 - 25 I could yank all the plugs out of 5 stars it is a common misconception Spark. ( 6 ), Estimated USA Ship Date: ( 5 ), Spark Plug, Gasket Seat 14mm... International Ship Date: Re: NGK V-Power Spark Plug heat range higher 100 App! 7052 be the correct yr5 Plug, tools, ngk ur4 vs ur5 heat range more today, Spark 7401. Enhance your email experience by providing your zip code for area specific offers identical to highest. & # x27 ; s. Google NGK Spark plugs WHY are there DIFFERENT heat RANGES ( 2771 ) with! Have entered is unknown or incorrect ) FR5 tools, and more sacrilegious putting Ford plugs in a Chevrolet AC... Before proceeding for alky, and more 's on the street or a heat range for NGK Spark,! All over the globe 'm pretty sure I 've got my yr5 gapped!