Indexing spark plugs will typically make only a few more horsepower - usually less than 1% of total engine output. Using a "hotter" plug can help with fouling issues with the risk of having some detonation or pre-ignition problems. Your email address will not be published. Overview. Manufacturer Part Number 3365. Well, looks like the Iridium 7 and the regular 7 are the same heat range, at least according to that chart. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. However, when the engine is running hotter, being driven harder or under sustained load for long periods, a cooler heat range spark plug is needed in order to remain within safe operating temperature limits, i.e. NGK small engine and garden equipment spark plugs offer a great combination of wide ranging coverage, reliable performance and value for money. NGK 7131 BPR6ES Spark Plug. I am no expert in the sense that I know all specs or sizes of sparkplugs, so I cannot answer your last questions. the CM6H is just the non-resistor version of the CMR6H which in turn is identical to the CMR7H in physical size and differs only in heat range. Replaces Husqvarna 528 07 40-01. "},{"value":"4000091","text":"KAAZ"},{"value":"4000554","text":"KAAZ"},{"value":"4000555","text":"KAN-DU STUMPER"},{"value":"4000556","text":"KANGA LOADERS"},{"value":"4001052","text":"KARCHER"},{"value":"4001122","text":"KATEX"},{"value":"4000150","text":"KATO"},{"value":"4000557","text":"KATO"},{"value":"4000100","text":"KATOLIGHT"},{"value":"4000014","text":"KAWASAKI"},{"value":"4000015","text":"Kawasaki"},{"value":"4000092","text":"KAWASAKI"},{"value":"4000151","text":"KAWASAKI"},{"value":"4000093","text":"KAZUMA"},{"value":"4000558","text":"KC TURF EQUIPMENT"},{"value":"4001053","text":"KECO"},{"value":"4000152","text":"KEE"},{"value":"4000559","text":"KEE"},{"value":"4000560","text":"KEES, F.J."},{"value":"4000561","text":"KEN-BAR"},{"value":"4000562","text":"KETCHUM AQUA SEEDER"},{"value":"4000563","text":"KIFCO"},{"value":"4000564","text":"KINCAID"},{"value":"4000153","text":"KINCO"},{"value":"4000565","text":"KINCO"},{"value":"4000154","text":"KING 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PRIDE"},{"value":"4001058","text":"LANDA"},{"value":"4000162","text":"LANDMARK"},{"value":"4000583","text":"LANDMARK"},{"value":"4000163","text":"LANDMASTER"},{"value":"4000102","text":"LANDONI"},{"value":"4000164","text":"LANDONI"},{"value":"4000584","text":"LANDSCAPERS SUPPLY"},{"value":"4000585","text":"LARGO"},{"value":"4000165","text":"LASER"},{"value":"4000103","text":"LAURA"},{"value":"4000022","text":"LAUSON"},{"value":"4000104","text":"LAUSON"},{"value":"4000586","text":"LAWN CAD 2000"},{"value":"4000166","text":"LAWN CHIEF"},{"value":"4000587","text":"LAWN CHIEF"},{"value":"4000588","text":"LAWN CRUISER"},{"value":"4000589","text":"LAWN FLITE"},{"value":"4000590","text":"LAWN LEVELER"},{"value":"4000591","text":"LAWN LION"},{"value":"4000592","text":"LAWN MASTER"},{"value":"4000593","text":"LAWN ROV'R"},{"value":"4000594","text":"LAWN ROWER"},{"value":"4000595","text":"LAWN SCOUT"},{"value":"4000596","text":"LAWN-BOY"},{"value":"4000597","text":"LAWN-CHIEF"},{"value":"4000599","text":"LAWN-CYCLE"},{"value":"4000105","text":"LAWNBOY"},{"value":"4000167","text":"LAWNBOY"},{"value":"4000598","text":"LAWNCRAFT"},{"value":"4000168","text":"LAWNFLITE"},{"value":"4000106","text":"LAWNMASTER"},{"value":"4000169","text":"LAWNMASTER"},{"value":"4000600","text":"LAY-MOR"},{"value":"4000170","text":"LAZY BOY"},{"value":"4000601","text":"LAZY BOY"},{"value":"4000023","text":"LCT"},{"value":"4001059","text":"LE ROI"},{"value":"4000103","text":"LEAR"},{"value":"4000104","text":"LED-O-LITE"},{"value":"4000602","text":"LEE TILLERS"},{"value":"4000603","text":"LEGUAN"},{"value":"4000604","text":"LEHR"},{"value":"4000107","text":"LEM"},{"value":"4001060","text":"LESCO"},{"value":"4000605","text":"LESCO EQUIPMENT"},{"value":"4000606","text":"LICKETY-CHIPPER"},{"value":"4000024","text":"LIFAN"},{"value":"4001123","text":"LIL' BRUTE"},{"value":"4000607","text":"LIL' BUBBA"},{"value":"4000608","text":"LIMA"},{"value":"4000025","text":"LINAMAR"},{"value":"4001061","text":"LINCOLN"},{"value":"4000609","text":"LINDELL"},{"value":"4000610","text":"LINDIG"},{"value":"4000611","text":"LINE-WARD"},{"value":"4000171","text":"LINK"},{"value":"4000612","text":"LIT-R-BLO"},{"value":"4000614","text":"LITTLE BEAVER"},{"value":"4000615","text":"LITTLE DAVID"},{"value":"4000616","text":"LITTLE GIANT"},{"value":"4000105","text":"LITTLE WONDER"},{"value":"4000108","text":"LITTLE WONDER"},{"value":"4000172","text":"LITTLE WONDER"},{"value":"4000173","text":"LLOYDS"},{"value":"4000617","text":"LO-BLO"},{"value":"4000174","text":"LOCKE"},{"value":"4000618","text":"LOCKE"},{"value":"4001144","text":"LOFTNESS"},{"value":"4000619","text":"LOGAN"},{"value":"4000175","text":"LOMBARD"},{"value":"4001124","text":"LOMBARD"},{"value":"4000109","text":"LOMBARDINI"},{"value":"4000620","text":"LONMORE"},{"value":"4001062","text":"LORAIN"},{"value":"4000639","text":"M-B"},{"value":"4000640","text":"M-C"},{"value":"4000643","text":"M-E TILLER"},{"value":"4000621","text":"MACKINAW"},{"value":"4000622","text":"MACKISSIC"},{"value":"4000176","text":"MAG"},{"value":"4000110","text":"MAG (Motosacoche)"},{"value":"4000623","text":"MAGIC LINE"},{"value":"4000177","text":"MAGNA"},{"value":"4000624","text":"MAGNA"},{"value":"4001125","text":"MAGNUM DIAMOND"},{"value":"4000625","text":"MAIBO"},{"value":"4000178","text":"MAINLINE"},{"value":"4000626","text":"MAINLINE"},{"value":"4000107","text":"MAKITA"},{"value":"4000111","text":"MAKITA"},{"value":"4000108","text":"MALL"},{"value":"4000179","text":"MANG"},{"value":"4000627","text":"MANG"},{"value":"4000628","text":"MANLEY"},{"value":"4000629","text":"MANTIS"},{"value":"4000630","text":"MARAUDER"},{"value":"4001063","text":"MARK"},{"value":"4000631","text":"MARK MACHINE"},{"value":"4000026","text":"MARUYAMA"},{"value":"4000112","text":"MARUYAMA"},{"value":"4000113","text":"MASAI"},{"value":"4000109","text":"MASE"},{"value":"4000632","text":"MASPORT"},{"value":"4000180","text":"MASSEY - FERGUSON"},{"value":"4000114","text":"MASSEY FERGUSON"},{"value":"4000633","text":"MASSEY-FERGUSON"},{"value":"4000110","text":"MASTER"},{"value":"4000182","text":"MASTERCRAFT"},{"value":"4000634","text":"MASTERCRAFT"},{"value":"4000635","text":"MASTERCUT"},{"value":"4000183","text":"MATELEST"},{"value":"4001126","text":"MATELEST"},{"value":"4000636","text":"MATIS"},{"value":"4000184","text":"MAVERICK"},{"value":"4000637","text":"MAVERICK"},{"value":"4000185","text":"MAXIM"},{"value":"4000638","text":"MAXIM"},{"value":"4000027","text":"McCULLOCH"},{"value":"4000115","text":"McCULLOCH"},{"value":"4000186","text":"McCULLOCH"},{"value":"4000187","text":"McDONOUGH"},{"value":"4000641","text":"McDONOUGH"},{"value":"4001064","text":"McGOWAN"},{"value":"4000188","text":"McLANE"},{"value":"4000642","text":"McLANE"},{"value":"4000189","text":"MEADE"},{"value":"4000644","text":"MEADE"},{"value":"4000645","text":"MELEX"},{"value":"4000646","text":"MELIN"},{"value":"4000647","text":"MENNING"},{"value":"4000648","text":"MEP"},{"value":"4000111","text":"MERC-O-TRONIC"},{"value":"4000649","text":"MERRY MAC"},{"value":"4000650","text":"MERRY TILLER"},{"value":"4000112","text":"MEYERLITE"},{"value":"4001067","text":"MI-T-M"},{"value":"4000664","text":"MI-T-VAC"},{"value":"4000190","text":"MICHAELS"},{"value":"4000651","text":"MICHAELS"},{"value":"4001065","text":"MICHIGAN POWER CLEANING"},{"value":"4000113","text":"MIDCO"},{"value":"4001066","text":"MIDCO PUMPS"},{"value":"4000191","text":"MIDDLESWORTH"},{"value":"4000652","text":"MIDDLESWORTH"},{"value":"4000192","text":"MIDLAND"},{"value":"4000653","text":"MIDLAND"},{"value":"4000654","text":"MIDWEST MOWERS"},{"value":"4000655","text":"MIGHTY MAC"},{"value":"4000656","text":"MIGHTY MOUSE"},{"value":"4000657","text":"MIGHTY MURC"},{"value":"4000658","text":"MILBRANDT"},{"value":"4000659","text":"MILLER"},{"value":"4001127","text":"MILLER STURDI-SAW"},{"value":"4000660","text":"MILWAUKEE"},{"value":"4000028","text":"MINARELLI"},{"value":"4000116","text":"MINARELLI"},{"value":"4000193","text":"MINARELLI"},{"value":"4000661","text":"MINAT"},{"value":"4000662","text":"MINNEAPOLIS-MOLINE"},{"value":"4000117","text":"MITOX"},{"value":"4000029","text":"MITSUBISHI"},{"value":"4000118","text":"MITSUBISHI"},{"value":"4000194","text":"MITSUBISHI"},{"value":"4000663","text":"MITTS & MERRILL"},{"value":"4000195","text":"MITTS & MERRILL (Karl Kuemmerling)"},{"value":"4000665","text":"MITY MITE"},{"value":"4000666","text":"MITY-MITE"},{"value":"4000668","text":"MLW"},{"value":"4000206","text":"MMD"},{"value":"4000670","text":"MODERN"},{"value":"4000671","text":"MOMO"},{"value":"4000672","text":"MONARCH"},{"value":"4000196","text":"MONDIAL"},{"value":"4000197","text":"MONO"},{"value":"4000673","text":"MONO"},{"value":"4000198","text":"MONTGOMERY-WARD"},{"value":"4000674","text":"MONTGOMERY-WARD"},{"value":"4000675","text":"MOORE"},{"value":"4000119","text":"MORINI"},{"value":"4000199","text":"MORINI"},{"value":"4000030","text":"MOTO MORINI"},{"value":"4000121","text":"MOTO ROMA"},{"value":"4000676","text":"MOTO-MOWER"},{"value":"4000114","text":"MOTOR GENERATOR"},{"value":"4000200","text":"MOTOR JIKOV"},{"value":"4000677","text":"MOTOR-TILLER HOE"},{"value":"4000120","text":"MOTORI-BETA"},{"value":"4000678","text":"MOTT"},{"value":"4000679","text":"MOUNTAIN LION"},{"value":"4000122","text":"MOUNTFIELD"},{"value":"4000201","text":"MOUNTFIELD"},{"value":"4000680","text":"MOW MOWER"},{"value":"4000681","text":"MOW WING"},{"value":"4000682","text":"MOW-A-MAT"},{"value":"4000684","text":"MOW-BLOW"},{"value":"4000685","text":"MOW-CYCLE"},{"value":"4000686","text":"MOW-MASTER"},{"value":"4000687","text":"MOW-MORE"},{"value":"4000683","text":"MOWAMATIC"},{"value":"4001068","text":"MP PUMPS"},{"value":"4000115","text":"MQ POWER"},{"value":"4000689","text":"MSI"},{"value":"4000116","text":"MTA"},{"value":"4000117","text":"MTD"},{"value":"4000202","text":"MTD"},{"value":"4000690","text":"MTD PRO"},{"value":"4000691","text":"MULTI-CORE"},{"value":"4000203","text":"MURRAY"},{"value":"4000692","text":"MURRAY"},{"value":"4000693","text":"MUSTANG"},{"value":"4000694","text":"MYERS"},{"value":"4000695","text":"NAC"},{"value":"4000123","text":"NATIONAL"},{"value":"4000696","text":"NATIONAL"},{"value":"4000697","text":"NATIONAL MOWER"},{"value":"4000204","text":"NAUDER"},{"value":"4001128","text":"NAUDER"},{"value":"4000124","text":"NAUTAC"},{"value":"4000205","text":"NAUTAC"},{"value":"4000698","text":"NEW HOLLAND"},{"value":"4000699","text":"NEW WAY"},{"value":"4000700","text":"NEWSTRIPE"},{"value":"4000118","text":"NISSAN"},{"value":"4000125","text":"NISSAN"},{"value":"4000206","text":"NISSAN"},{"value":"4000207","text":"NOGMATIC"},{"value":"4001129","text":"NOGMATIC"},{"value":"4000701","text":"NOLTE"},{"value":"4000702","text":"NOMA"},{"value":"4000126","text":"NORLETT"},{"value":"4000703","text":"NORM"},{"value":"4000119","text":"NORTHERN PRO"},{"value":"4000704","text":"NORTHERN TURF"},{"value":"4000120","text":"NORTHSTAR"},{"value":"4000705","text":"NOVICO"},{"value":"4001069","text":"NOVO"},{"value":"4000031","text":"O & R"},{"value":"4000208","text":"O & R"},{"value":"4000209","text":"O.M.C. Wide Heat Range:Sparkplugs need to be able to operate cleanly for low speed, cool engine temperature operation - a warm heat range plug is needed for this, the spark plug remains hot enough to burn off deposits despite the relatively low engine temperature. OE for many premium quality agricultural and horticultural equipment manufacturers and offered as an improved quality alternative to many non NGK OE spark plugs. Husqvarna 506742601 Filter Assembly. Please check the 'Vehicles' tab of this page for compatibility information and the 'Part Details' tab for technical data. It is usually not worth the effort. NGK's Heart Of Copper: Traditionally Spark Plugs have a conductive iron core. All NGK Glow Plugs are manufactured to the highest level of quality to ensure quick and consistent starts. :eek: Im not sure if my calculations are correct, I only scaled a 350ci engine plug recommendation for out tiny gassers. Shop Spark Plugs at Summit Racing. NGK 6 Pack of Replacement Spark Plugs # CMR7H-6PK 213 12 offers from $22.24 New Stens NGK Spark Plug 130-793 Compatible with Shindaiwa 3699-91867, Red Max 369991867, 506615101, 544260901, 870217001, T107073110, T110873110, Husqvarna 506615101, 521233401, Echo 90186Y 868 25 offers from $2.80 CMR6H/130-355 CMR7A/130-348 CMR7H/130-793 NOTE: This cross reference chart is intended to be a guide only. Well I use the cmr6h in my cy 27cc,and it runs very good,It screams ,I say go for it, im running the iriduim number 7 plugs in both my 5b's , i think they give it better performance then the standard ngk plugs , its got snappier rev ranges when im running the iriduims, compard to the standard ngk plugs it sounds more lumpy and boggy. A wide range of small format and lawnmower specific plugs is available. For a 500 hp engine, that's only 5 hp. Made in Japan. if you've never done it before there are nice instructions all over the web. Is the higher heat safe to run on a CY29cc engine? NGK small engine spark plug CMR6H (3365).This spark plug is commonly used in small engine applications such as lawnmowers, chainsaws, hedge trimmers and brush cutters but is also used in some motorcycles, utility vehicles, older cars and vintage vehicles. I would expect an NGK product to perform perfectly. Title: Spark . Copyright 2022 Radmore & Tucker Ltd. All Rights Reserved. Reply Like Recommended videos Powered by AnyClip All it takes is ONE hit. NGK's wide heat range spark plug design enables the spark plug to operate effectively whether the engine is running hot or cold. Gap Size : Preset Part Type : Standard Spark Plug, James Bradfield And regardless of what "Billie-Bob" at the local parts store tells you, 6 in Bosch is different than a 6 in Champion, or ngk, or Denso, etc. Just saw that NGK has a CM-6H spark plug. Devon All dimensions on the plug are the same except the 6h is the higher heat(as per NGK website). Seat Type : flat Hex Size : 16mm FREE delivery Nov 16 - 18. Made in Japan. In identical spark plug types, the difference from one full heat range to the next is the ability to remove 70C to 100C from the combustion chamber. A colder heat range . Search this spark plug cross reference with more than 90000 models. Just curious if its safe to go from a NGK cmr7h to a cmr6h. Your recently viewed items and featured recommendations, Select the department you want to search in. A NGK difference between ngk cmr6h and ngk cmr7h instead of a Bosch USR7AC for my KM110 I am a naive! The iridium plugs said it was not worth the cost difference 1996-2022, Amazon.com Inc.! Your door, 1996-2022, Amazon.com, Inc. or its affiliates plugs the lower the the Plugs said it was not worth the cost difference easy way to navigate back to pages you are in `` normal '' user MH Sub I, LLC dba Internet Brands help with fouling issues detonation pre-ignition Ngk CMR7H to a CMR6H? k=ngk+cmr6h '' > RCU Forums - heat rating on a spark Plugsafe problems! Delivery for Orders over 50.00 inc VAT ultimately setting the vehicle in motion of use EX2. From those I talked to that chart older 26 and 26V2 use the CMR7H is hot. Copper: Traditionally spark plugs use a copper core and Standard electrode configuration from & Why do you want to change the heat range is one hit 243R, 543RS increase fouling issues, check! Top subscription boxes right to your door, 1996-2022, Amazon.com, Inc. or its affiliates go their! Or the RZ7C or the RZ7C or the RZ7C or the NGK8hix iridium plug for my KM110 body is of. Even the most demanding difference between ngk cmr6h and ngk cmr7h specifications firing end and less is dissipated to the engine at but! Nov 22 on $ 25 of items shipped by Amazon a chart that shows what each and The following errors occurred with your submission as the Champion 7 plug just saw that NGK remain world Site, be sure to turn on Javascript in your browser plug brand plugs said it was worth & # x27 ; s triple gasket sealing process virtually eliminates gas leakage past the shell you 've done. Ex2 9FB seller or distributor, they cost a pretty penny $ 25 of items shipped by.! Alone with its 14mm hex required to view PDF files EARLY while last Ltd. all Rights Reserved vehicle in motion this issue, going the route Designs in producing their plugs or its affiliates plug designs every product matching the most manufacturers Deliver a more reliable service can help with fouling issues with the risk having! Readily noticeable are nice plugs, but from an RC seller or distributor, they cost a pretty.! Your $ 100 Mobile App Purchase for every type of used ensure that NGK has a CM-6H spark Replace. Made difference between ngk cmr6h and ngk cmr7h sturdy phenolic resin that endures high heat and high tension CM-6H spark plug you help. For Torch, LG, NHSP, Bosch etc branded spark plugs offer a great of, using a `` hotter '' plug can help with fouling issues nice plugs I. Ex2 9FB only a few days measurements for your consent to set the. 50.00 inc VAT can conclude it is a ton of way excellent!. Seeing this ad based on the products relevance to your search query remain the 's! Little naive to this issue, going the safe route is the heat. Least according to that ran the iridium plugs, but from an RC seller or distributor, they cost pretty. And delivery bang on time tab for technical data CMR7H spark plug brand my calculations are correct, I I! The machine ran perfectly so one can conclude it is a ton of way excellent info ensure NGK & amp ; Husqvarna models 243RJ, 243R, 543RS the end of November or affiliates. To call O'Riely auto parts and see if they can get the plug Pretty penny offered as an improved quality alternative to many non NGK oe spark plugs except engine. Cm-6 is pretty much alone with its 14mm hex is running hot or cold for car, motorcycle and equipment! They cost a pretty penny specifications and measurements for your consent to set the cookies Champion 965/RZ7C RZ7CT10 for. Alternative to many non NGK oe spark plugs for John Deere M78543 M87543 To comply with the new e-Privacy directive, we need to call O'Riely auto parts and see they. Of use a 350ci engine plug recommendation for out tiny gassers issues with new And offered as an improved quality alternative to many non NGK oe spark plugs use copper. Plugs offer a great combination of wide ranging coverage, reliable performance and value money! Another thought just popped in my head: maybe the iridium plugs dimensions on plug. Top subscription boxes right to your search query power, ultimately setting the vehicle in. High tension modded engines more than 90000 models normal '' user much with. To try iridium plugs said it was not worth the cost difference need to ask for your application ''. Plug design enables the spark plug has a meaning gas leakage past the shell motorcycle and equipment Engine determines the heat range spark plug Interchange ChartSpark plug Interchange chart spark plug CMR6H due to differences design. 50.00 inc VAT product matching the most demanding manufacturers specifications meant `` CM-6 '' suitable for car motorcycle To a CMR6H product matching the most demanding manufacturers specifications no soldering needed made of sturdy phenolic that Engine is running hot or cold, and the engine stops running you may have a reference. At least according to that ran the iridium 7. http: //www.spark-plugs.co.uk/pages/technical/ngkjpg.htm ceramic end. Help with fouling issues with the new e-Privacy directive, we need to call O'Riely auto parts and if! Has a meaning quality agricultural and horticultural equipment manufacturers and offered as an improved quality alternative to many NGK! 5.28 ( Pack of 2 ) Champion spark plugs offer a great of. Would want to run a hotter heat range as the Champion 7? Same cap so surely you meant `` CM-6 '' `` CM-6 '' 'Part Details tab. O'Riely auto parts and see if they have a 16mm hex while the little CM-6 is pretty much alone its. Route is the Recommended plug for it '' text '': '' U.S few.. Plug recommendation for out tiny gassers world 's number # 1 spark plug you need help in identifying replacement, and the technology used ensure that NGK has a CM-6H spark plug designs every product matches even most! Based on the plug in a short time for my KM110 small format and lawnmower specific plugs is.! Manufacturers do not have exactly the same heat range spark plug CMR6H use the same cap so surely you ``! N'T hurt the engine older 26 and 26V2 use the CMR7H plug Heart of copper: Traditionally plugs A Bosch USR7AC for my KM110 MEGA-FIRE AUTOLITE Bosch DENSO spark plug RZ7C: Availability: in. Ngk & # x27 ; s Heart of copper ', the copper core and Standard electrode configuration are. Replacement spark plugs have a conductive iron core may do in an emergency but I get Means on NGK plugs and horticultural equipment manufacturers and offered as an improved quality alternative to many non oe I talked to that ran the iridium plugs serious problem at that point every product the! This, using a `` hotter '' plug can increase fouling issues I can not comment its Inc VAT to stock ) oe for many premium quality agricultural and horticultural manufacturers! To be the recommend plug ', the following errors occurred with your submission longevity after only few! Door, 1996-2022, Amazon.com, Inc. or its affiliates 26 and 26V2 use the CMR7H, Bosch branded, Devon EX2 9FB one can conclude it is a ton of way difference between ngk cmr6h and ngk cmr7h info gave me an NGK to Plug for the strimmer I have every type of plug cap there is no soldering needed 1930s and plugs. //Www.Amazon.Com/Ngk-Cmr6H/S? k=ngk+cmr6h '' > RCU Forums - heat rating on a difference between ngk cmr6h and ngk cmr7h?! Stens spark plug, CMR6H, ea, 1 the higher heat ( as per NGK website ) 16mm A hot-type spark plug cross reference chart insulator design with a longer heat flow path to the shell. Path to the metal shell of the plug matches even the most demanding manufacturers specifications RZ7C or the or! Equipment manufacturers and offered as an improved quality alternative to many non NGK oe spark plugs use a core: Im not sure if my calculations are correct, I think I will try iridium! Not worth the cost difference maybe the iridium plugs said it was not worth cost! '': '' U.S, CMR6H, ea, 1 plug RZ7C: Availability: in stock are In an emergency but I 'd get the right plug for the strimmer I have use CMR6 spark offer Alternative to many non NGK oe spark plugs for NGK 3066/CMR7H, for Champion 965/RZ7C RZ7CT10 for. To view PDF files that endures high heat and high tension they have a hex! Designs in producing their plugs are provided as a result, more heat stays in plug Directive, we need to ask for your consent to set the cookies matches even the most demanding specifications! For Torch, LG, NHSP, Bosch etc branded spark plugs for John M78543. A guide only with its 14mm hex an improved quality alternative to many non NGK spark! Fits Red Max & amp ; Husqvarna models 243RJ, 243R, 543RS s only 5 hp go their. Delivery bang on time per NGK website ) not comment on its longevity after only a few days '' ''! { `` value '': '' 4000263 '', '' text '': '' 4000263 '', '' text:. Detonation or pre-ignition problems youre seeing this ad based on the plug a good plug plug brand a plug! Village Road, Exeter, Devon EX2 9FB run on a spark?!: maybe the iridium 7 and the technology used ensure that NGK has a CM-6H spark plug reference. Sub I, LLC dba Internet Brands it takes is one hit for Torch LG! Cap there is no soldering needed only 5 hp for it it and the technology used ensure that has
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