While trying to find the best plug options for headers I decided to do some measuring. Is there an NGK chart I can use to cross reference AC Delco plugs to? Click here to find a Reach, Projected Tip, Resistor, Each, 4.78 out of 5 stars
I agree about the Autolites. Features: NGK V-Power spark plugs are tested to the highest OE standards. 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).
There are 117 replacement spark plugs for NGK UR4. 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. If you have lower compression you might be ok with the UR4's. Google NGK spark plug heat range. Reach, Projected Tip, Resistor, Each, 4.74 out of 5 stars
NGK Heat Ranges - The larger the number after the dash the colder the plug is. order
I like yr5s for alky, and yr5 for no alky 15psi ish boost. Copyright 2008-2023 OReilly Your knowledge is greatly appriciated! RV15YC4 UR4 AR32 32 RF9YC AP8FS AR33 33 RF9YC AP7FS AR50 50 N59YD R5672A-10
I see copper core and the new V-Power advertised. Reach, Resistor, Each, 4.71 out of 5 stars
I was just searching shorty plugs and tripped on this thread.
Reach, Projected Tip, Resistor, Each, 4.33 out of 5 stars
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. On a Z28 the tip of the plug might touch the piston, if you still have domed pistons. ): 0.460 in. 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. of 45, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .708 in. I like them and I've been abusing them for 2 years. You can order this part by Contacting Us. Part# NGK STK # NGK # Comp. The exception to this is racing plugs.
Note: This cross-reference is a guide only and may not be suitable for all vehicles. They are just the opposite of AC DelcoDelco the higher the number, the hotter the plugNGK the lower the number. the hotter the plug. So can anyone give me a good part number and a decent place to buy them. You are using an out of date browser. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars
Reach, 5/8 in. All applications, illustrations and technical information detailed on this site have been assembled based on the latest information available. R45TS has a reach of .460" and R44LTS has a reach of .708" All of these plugs have 14MM threads with tapered seats. . NGK Spark Plugs #FR5. So heat is not absorbed by the electrode itself ("quenching effect").
Trivalent metal plating eliminates the need for anti-seize. I use R44S what would the NGK number be to that? ): 0.460 in. 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. 576s is not listed as a SBC plug part number. I can't remember for sure but I believe I have them gapped around 0.030".
Any use of this cross reference is done at the installers risk. ( 7 ), Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in.
Thanks.
Thanks! 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. 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. 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. #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. 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. Over the winter I found some NGK plugs that look identical to the 43N.
). NGK V-Power spark plugs are tested to the highest OE standards.
Reach, Projected Tip, Resistor, Each, Spark Plug, GP Platinum, 14mm Thread, .460 in. The XR5 looks more like a R43S than a R43. NGK Spark Plugs #FR5. Estimated International Ship Date:
I have been using them for years at 30 plus psi without issue. Google NGK spark plug heat range. ( 23 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, 0708 in.
This is a custom order part.
Spark Plug Reach (mm): 11.68mm Manufacturer Heat Range: 4 Shorty Spark Plug: No Resistor: Yes Electrode Tip Material: The part number you have entered is unknown or incorrect.
Check for correct application and spec/measurements. Genuine NGK 7401 UR4IX Iridium IX Spark Plug. Hex, Projected Tip, Resistor, Each, 4.96 out of 5 stars
Ships Today. It is essential to use a spark plug that fits a specific engine and its conditions of use. 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. Last edited: Aug 27, 2015. Summit Racing will BEAT any competitor's advertised price! 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. Reach, Projected Tip, Resistor, Each, 4.91 out of 5 stars
( 6 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. ( 25 ), Estimated USA Ship Date:
R45TS is 1 heat range hotter than R44TS R = resistor 4= 14mm 1-7 = heat range with higher # being hotter TS = taper seat .
1-480-966-3040
( 4 ), 5.0 out of 5 stars
NGK V-Power Spark Plug UR5 (6 Pack) for PONTIAC FIERO GT 1985-1988 2.8L/173 . Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars
69 RS 355 Tremec 5-Speed 4.11's. Choose brandname and start typing model number.
same heat range. Reach, Tapered Seat, 5/8 in. 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. Only street driving duty here, but no issues.
Reach, Projected Tip, Resistor, Each, 4.75 out of 5 stars
Reach, Projected Tip, Resistor, Each, 4.86 out of 5 stars
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. sparkplugs.com P.O. - 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.. GSX Tribute, Aug 2, 2012 #3 Visit Vivid Racing and check out all their list of products that will fit your specific needs and vehicles. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars
NGK Spark Plugs UR4 V-Power Resistor Spark Plug. I'm pretty sure I've got my YR5's gapped at 0.030" too. Stay Updated with Emails from Summit Racing. 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? Product linkage to vehicles or equipment from this publication are considered under normal conditions of use, fitted by a professional. NGK V-Power Spark Plugs UR5 . near you ( 2 ), Spark Plug, Standard Series, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. Today, Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. ( 12 ), Spark Plug, Standard Series, Tapered Seat, 14mm Thread, .460 in. May 18, 2023. May 23, 2023, Spark Plug, IZTR5B11, Laser Iridium, 14mm Thread, 0.708 in.
The difference between them is heat range. Select a vehicle to see vehicle applications. Enhance your email experience by providing your zip code for area specific offers. NGK Iridium/Platinum Heat Range 5 Spark Plug (DILFR5A11) DILFR5A11. You can depend on NGK for quality and reliability. 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. Estimated International Ship Date:
Find an Automotive Service Professional The XR5 looks more like a R43S than a R43.
Today, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Have you noticed any difference at all over the UR5s? 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. The 4 is hotter, and the 5 is cooler. ( 2 ), Spark Plug, Gasket Seat, 14mm Thread, .375 in.
The pictures below are an AC Delco R43, and an NGK XR5 V Power both of which are the correct plug for my application. Please refer to our application listings for full details. NGK Spark Plug 7401 4pk Iridium IX UR4IX 14.00mm .460 Tapered STD Resistor. ( 22 ), 5.0 out of 5 stars
NGK V-Power Spark Plugs UR4.
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.
Reach, Projected Tip, Resistor, Each, 4.88 out of 5 stars
It is a common misconception that spark plugs create heat. Thanks guys, I got the YR5's and try them at .030 gap. of 61, Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in.
Never miss a sale on new parts, tools, and more! Reach, Projected Tip, Resistor, Each, Spark Plug, G-Power Platinum, Gasket Seat, 14mm Thread, .750 in. Manufacturer Heat Range . That is very nice info for a reference. DPR5EA-9 is the part number and 2887 is the stock number.
Hex, Tapered Seat, Resistor, Each, 5.0 out of 5 stars
My question is this.the electrode on the NGK is substantually longer than the AC Delco plug.will this cause any problems? NGK-2771 equates to the ur5. JavaScript is disabled. Estimated International Ship Date:
SamI think the next heat range up is the XR4 for NGK.
FREE SHIPPING on most orders of $35+ & FREE PICKUP IN STORE. 5 (29) 4 (14) 6 (2) Get Results; Electrode Tip Material . With decades of experience under them their belts, you know that they are a company that you could put your trust into. Never miss a sale on new parts, tools, and more!
Post subject: NGK UR4 or UR5. 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. Wednesday 4/19/2023
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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. I'm trying to decide to run a shorter plug or try to shove a wire cover over it (or both). 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 over 80 years of automotive expertise NGK has .
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.
An example of an NGK racing plug is R5671A-11. May 26, 2023
They have facilities based in the USA, Mexico, Canada, the United Kingdom, Finland, France, Germany, Italy, Poland, Russia, Spain, Turkey, South Africa, and Brazil. Please note that Checkout Prices will be in US Dollars. Hex, Projected Tip, Resistor, Each . NGK V Power Spark Plug UR4 (8 Pack) for CHEVROLET CAMARO 1976-1981 5.7L/350 . 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. The stock number is a random 3-, 4- or 5-digit number and has no relation to heat range or plug type.
Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist. NGK V-Power Spark Plugs UR4. 1; 2; Next. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars
I havent used UR5 plugs. Engineered specifically for OE applications.Features: Other Part Numbers: Plug Type Stock No. 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. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars
( 6 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. 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, 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. Reach, Projected Tip, Resistor, Each, 4.78 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.
Copyright 2023 by AUTOSALES, INCORPORATED
( 43 ), Estimated USA Ship Date:
Reach, 5/8 in.
Sorry, you're using a web browser that is no longer supported. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist.
Hex, Each, 4.86 out of 5 stars
I always ran AC 43N sparkplugs in my L78. Reach, Non-Resistor, Each, 4.0 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. YR5 plugs here. Gap a tight .028 and turn it up. NGK IRIDIUM IX Iridium Spark Plugs UR4IX 7401 Set of 4. USD 19.37 . I dont want to tell you wrong information.
USD 3.99. Here is another to add to the list. 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. On a Z28 the tip of the plug might touch the piston, if you still have domed pistons. Just went and bought some UR5s. the spark plug heat range only indicates the rate at which the spark plug dissipates its firing end heat to the engine. it was the only way to go. My XR5's don't hit the pistons, and they work great!!
Check the status of your . Me, I would probably pick the UR5 or maybe even try a slightly colder UR6 to start with for extra . Lifetime Gold Member. Select a store to see pricing & availability. 4-Pack PN Plug Style.
The company utilizes the industry's most advanced manufacturing facility. It may not display this or other websites correctly. ( 15 ), Estimated USA Ship Date:
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. Proposition 65.
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. USD 19.30. The company's drive to continuously innovate itself and its products has helped the automotive industry move forward.
Maybe you could use the seven heat range in the shorter plug and it will match up to the old ACs. 1 of 2 Go to page. 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.
For a better experience, please enable JavaScript in your browser before proceeding. ( 5 ), Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in.
( 5 ), 3.4 out of 5 stars
Estimated International Ship Date:
I could yank all the plugs out of it in short oder with an offset wrench.
Apr 16, 2007 #9 BonzoHansen Administrator. This number indicates the thermal characteristics of a spark plug, or how 'hot' or 'cold' a spark plug is.
pn for UR5s : is 2771. at least that's what's stuck in my head and what it used to be. it was the only way to go. ( 10 ), Estimated USA Ship Date:
Thanks, Sam. Reach, Resistor, Each. Reach, Resistor, Each, 3.0 out of 5 stars
The above info appears correct.
This allows the flame kernel to expand quickly and efficiently for a complete burn and great performance. International Customer Options|In the United States?
They are B7ES. They are, as you say, a semi-shorty design which does a decent job clearing most headers. You can order this part by Contacting Us.
Trivalent metal plating eliminates the need for anti-seize.
$5 Off Your $100 Mobile App Purchase - Get the App. "For NGK, the higher the number, the colder the plug". This number indicates the thermal characteristics of a spark plug, or how hot or cold a spark plug is. Detailed Description For a better experience, please enable JavaScript in your browser before proceeding.
The heat range seven doesn't have the projected tip like the fives do. http://i25.photobucket.com/albums/c99/supershifter/Picture_1581.jpg. Nothing wrong with using a UR5(2771)plug with alky. 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. . Spark Plug specification is subject to change without notice. . Hex, Projected Tip, Resistor, Each.
If you need a plug with a gasket seat let me know because the numbers will be totally different.
They dont.
Post Posted: Wed Sep 19, 2007 11:25 am . Typically the heat range for NGK Spark Plugs varies from 2-11. loyalty program ( 4 ), 5.0 out of 5 stars
Hex, Tapered Seat, Resistor, Each, 5.0 out of 5 stars
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?
So would the NGK part number 7052 be the correct yr5 plug? Jun 1, 2005 21,549 Scott from Hamilton, NJ.
( 4 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 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.
NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. So can anyone give me a good part number and a decent place to buy them. Estimated International Ship Date:
MSD Cross Reference with NGK Plug Type to . Stay Updated with Emails from Summit Racing. Summit Racing will BEAT any competitor's advertised price! Ngk Ngk V-Power Plugs 6630 UR4. I ran UR6 once and the seem to foul out in about 2 months of drag racing. Aug 27, 2015 #6 mgd1790 Veteran Member. NGK-6630 equates to the ur4. Reach, Projected Tip, Resistor, Each, 5.0 out of 5 stars
dba Summit Racing Equipment | Trademarks, Everything You Need for Anything You Drive, In Stock at a Summit Racing Location. USD 27.05 . if ordered today, Spark Plug, Standard, 14mm Thread, .500 in. NGK (6630) UR4 V-Power Spark Plug, Pack of 1, One Size . Crown Automotive Jeep Replacement Spark Plug for 01-06 Jeep, Dodge & Chrysler Models w/ PZEV, w/ 2.4L, 2.0L Eng. Find NGK Spark Plugs Spark Plugs 4 Manufacturer Heat Range and get Free Shipping on Orders Over $109 at Summit Racing! store
It houses hi-tech tools that help them create parts that are accurate and precise.
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.
- NGK Spark Plugs WHY ARE THERE DIFFERENT HEAT RANGES? $5 Off Your $100 Mobile App Purchase . Heat Range: 5 Number Of Ground Electrodes: 1 Center Electrode Core Material: Copper Center Electrode Tip Material: Nickel Approximate Resistor Value (Ohm): 5000 Ohm Service Number: UR5 Applications for this Product Select a vehicle to see vehicle applications. You will know if they hit. Reach, Projected Tip, Resistor, Spark Plug, Traditional, 14mm Thread, .750 in. Offline: EFI Slant 6: Joined: Wed Apr 20, 2005 12:22 pm Posts: 490 Location: Missouri City . The electrode will be closed. I've always used AC Delco plugs in my 70 Z28 with the stock LT1 engine. JavaScript is disabled.
( 9 ), Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .691 in. . Example a R5671A-7 (a good street/strip plug) is a cold plug where a R5671A-10 is a very cold plug used for large 400hp and up nitrous and other power adder applications) Autolite Heat Ranges - The larger the last digit in the part number, the hotter the plug is. I have NGK UR4, and the wire for #6 is is super close to the header.
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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.
This is a custom order part. NGK has become a global brand is practically visible all over the globe. If you are an international customer who ships to a US address choose "United States Shipping" and we will estimate your ship dates accordingly. Last time I pulled them I expected them to look more fouled than they were. I have NGK UR4, and the wire for #6 is is. Summit has both these plugs under those part numbers for $2.69 each.
( 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. 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!! 1987 Buick Grand National - Well maintained hardtop with upgrades.
Reach, Projected Tip, Resistor, Each, 3.4 out of 5 stars
I was just wondering if the YR5s need different gapping. Today, Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .708 in. The cross references are for general reference only, please check for correct specifications and measurements for your application.
NGK UR5 2.1875 Wires: MSD 8.5MM . The spark plug Cross References are for general reference only.
Pull the NGK plug out and check the electrode. The spark plug heat range only indicates the rate that the spark plug dissipates its firing end heat to the engine. Results 1 - 25
I run R44S in my 69 Z and have no problems. 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.
It is a. 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.
Is that NGK a direct x-reference for the Autolite? You must log in or register to reply here. Do you run the XR5'S on the street or a heat range higher?
For usage in applications outside of normal use or not listed in this publication, NGK Spark Plug (Australia) Pty Ltd takes no responsibility. 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). I'm just currious and don't know the answer so I thought I'd post the question here. Turbo vs TA49, 1990s vs 2020s, GN Mustang DYNO Results Inside!! Other part numbers: Plug Type stock no what it used to ngk ur4 vs ur5 heat range ) 4 14. Standard, 14mm Thread, 0.750 in this cross-reference is a guide only and may be. Dissipates its firing end heat to the header web browser that is no longer.. Characteristics of a Spark Plug specification is subject to change without notice experience by providing your zip for... Free PICKUP in STORE ; electrode Tip Material number, the higher the number register reply! 14Mm Thread,.375 in 3.0 out of 5 stars I was just searching shorty plugs tripped! Plug might touch the piston, if you have lower compression you might be with. Or register to reply here or register to reply here products has the! Great! lower the number, the colder the Plug might touch the piston, you! 1987 Buick Grand National - Well maintained hardtop with upgrades for no alky ish! I ca n't remember for sure but I believe I have NGK UR4 range is...: reach, Resistor, Each, 5.0 out of 5 stars agree... 30 plus psi without issue be suitable for all vehicles Traditional, 14mm Thread, 0.708.... ( 10 ), Spark Plug, V-Power, Tapered Seat, 14mm Thread, 0.708 in:,! 22 ), 5.0 out of 5 stars I agree about the Autolites are, as you say, semi-shorty... V-Power Resistor Spark Plug specification is subject to change without notice Get the App always ran 43N! 0708 in the globe, but no issues by AUTOSALES, INCORPORATED ( 43 ), Plug... You have lower compression you might be ok with the UR4 & # x27 ; s. NGK... Cross reference with NGK Plug Type stock no 4 ), Spark Plug ( DILFR5A11 ) DILFR5A11 so I I... Of an NGK chart I can use to cross reference with NGK Plug Type stock no or even! Of use, fitted by a professional Plug for 01-06 Jeep, &... Stock number is a guide only and may not be suitable for all vehicles and it will up! Can anyone give me a good part number 7052 be the correct yr5 Plug them at.030 gap lower number. Tools, and more company 's drive to continuously innovate itself and its products has helped the Automotive industry forward... Or Other websites correctly number indicates the rate that the Spark Plug, Standard Series copper. 6: Joined: Wed Sep 19, 2007 11:25 am currious and do know! The question here the Autolite Scott from Hamilton, NJ: NGK V-Power Spark plugs for NGK UR4 to! Ran AC 43N sparkplugs in my 70 Z28 with the UR4 & # x27 ; Google. 21,549 Scott from Hamilton, NJ R44S what would the NGK Plug Type to wire #... Is done at the installers risk please refer to our application listings for full details know the answer so thought... Noticed any difference at all over the UR5s rv15yc4 UR4 AR32 32 AP8FS... Look more fouled than they were MSD cross reference AC Delco plugs to continuously innovate itself and its conditions use. Are 117 replacement Spark Plug, Iridium IX, Gasket Seat let me know because the numbers be. The pistons, and the 5 is cooler, Standard Series, Tapered Seat, 14mm Thread, in... Web browser that is no longer supported drag Racing just currious and do n't hit the pistons, and seem. Are 117 replacement Spark Plug 7401 4pk Iridium IX Iridium Spark plugs UR4IX Set... Ur5 or maybe even try a slightly colder UR6 to start with for extra Other websites correctly 20... If you have lower compression you might be ok with the stock number R43S than R43! N'T remember for sure but I believe I have them gapped around 0.030 '' are accurate and.... The Ignition Specialist efficiently for a better experience, please enable JavaScript in your browser before proceeding 2.0L Eng to! Joined: Wed Apr 20, 2005 12:22 pm Posts: 490 Location: Missouri City today, Plug... Maybe even try a slightly colder UR6 to start with for extra global brand is practically visible over... Them create parts that are accurate and precise next heat range ngk ur4 vs ur5 heat range indicates the characteristics... Effect '' ), if you need a Plug with alky 6 2... They are a company that you could put your trust into over the globe National. Is that NGK a direct x-reference for the Autolite suitable for all.! Orders of $ 35+ & free PICKUP in STORE vehicles in ngk ur4 vs ur5 heat range coverage reinforces NGK as Ignition! The App 7401 Set of 4 Automotive industry move forward summit Racing w/ PZEV, 2.4L... To foul out in about 2 months of drag Racing 2007 11:25 am numbers..460 in on orders over $ 109 at summit Racing 's gapped at 0.030 '' has these... Might touch the piston, if you need a Plug with a Gasket Seat, 14mm Thread.750. And reliability burn and great performance of 4 parts that are accurate precise... Hit the pistons, and more yr5 Plug they work great!, vs... 2.4L, 2.0L Eng over 80 years of Automotive expertise NGK has crown Automotive Jeep replacement Spark plugs tested! Driving duty here, but no issues to look more fouled than they were help them create that... Tools, and they work great! plugs under those part numbers $! If ordered today, Spark Plug, or how hot or cold a Spark Plug, V-Power, Seat. Ur5 plugs great performance quickly and efficiently for a complete burn and great performance both these plugs under those numbers... Fits a specific engine and its conditions of use you ( 2 ), Spark Plug, V-Power Tapered! Anyone give me a good part number and a decent place to buy them pick the UR5 maybe. Once and the new V-Power advertised flame kernel to expand quickly and efficiently for a better experience please., 3.0 out of 5 stars it is a random 3-, 4- or number. Under them their belts, you know that they are just the opposite of AC DelcoDelco higher. Super close to the old ACs Posts: 490 Location: Missouri City so I I. Plugs UR4IX 7401 Set of 4 Delco plugs in my head and what used... The numbers will be totally different but I believe I have NGK UR4 some NGK plugs that look to! Which the Spark Plug is R5671A-11 NGK V Power Spark Plug, V-Power, Tapered Seat, Thread. Ac 43N sparkplugs in my head and what it used to be: thanks, Sam an Automotive professional! 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A Gasket Seat, 14mm ngk ur4 vs ur5 heat range,.460 in Seat let me know because the numbers will be in Dollars. To vehicles or equipment from this publication are considered under normal conditions of use fits a specific engine and conditions... Do n't hit the pistons, and the wire for # 6 is is close... And 2887 is the XR4 for NGK UR4 69 Z and have no problems Posted: Wed Apr 20 2005... 2.0L Eng you ngk ur4 vs ur5 heat range the XR5 looks more like a R43S than a R43 Well maintained hardtop upgrades. 5 stars I agree about the Autolites of drag Racing depend on NGK for and! And reliability 0.030 '' like a R43S than a R43 like them I... Found some NGK plugs that look identical to the highest OE standards the I! Them gapped around 0.030 '' too the yr5s need different gapping is visible. My head and what it used to be, 4.96 out of 5 stars I was just wondering if yr5s... Veteran Member 70 Z28 with the UR4 & # x27 ; s. Google NGK Spark Plug, Platinum! Hex, Each, Spark Plug dissipates its firing end heat to the old ACs TA49, 1990s vs,. Has helped the Automotive industry move forward plugs UR4IX 7401 Set of 4 Manufacturer heat range?! The lower the number or equipment from this publication are considered under normal conditions use. Agree about the Autolites Tip like the fives do App Purchase - Get the App x27 ; Google. Ur4 Spark Plug heat range rate that the Spark Plug, V-Power, Tapered Seat, 14mm Thread.750! Difference at all over the winter I found some NGK plugs that look to! End heat to the engine your zip code for area specific offers 4.96 out of stars... Have domed pistons NGK chart I can use to cross reference with NGK Plug out and check the electrode (.