NGK Cross Reference Catalog NGK Part Finders NGK Cross Reference Catalog NOTE: Cross references are provided as a guide only. ngk_p/n: ngk alt: accel: ac_delco: autolite: beck/arnley: blue_crown: bosch_stk. Kurt_JDB, you asked a very good question. I'm not going to mention brands but we have used some of those and were able to clean and regap them and run until they were just worn out but remember we did that because some of those larger plugs cost more too. This does a nice job of burning off the deposits that accumulate on the plug in the lazy cylinder. You are correct about the autolite book and web site both cross the D23 to the 388 and it also says they are resistor type. If you are urgent for your orders please select the express option.If you select regular post as an option and the part takes longer than the availability noted on our website at the time then we will do our best to express the part to you at no extra cost (this will excluse Oversized Items and Bulky Goods).Sometimes this means the part will arrive to you in a shorter time period. (PatB) Kurt_JDB, you asked a very good question. Glen, Oops - I didn't see your posting as I was gone. The setting of combustion deposits on the insulator tip is caused by an imperfect combustion due to a "rich" air/fuel mixture. PRODUCT DESCRIPTION E3.10 is a 14mm, 0.375" reach plug with a gasket seat. $20.59 + Free Shipping. Also whether we like or not some of the foreign made spark plugs are really the cats meow for keeping a industrial engine running longer and are good quality. http://home.att.net/~klossner/ihcpage.htm so glenn in tex, what plug should i be running in my 1948 g with mag. Diffusion (atomization) of fuel is low and the fuel burns in its liquid state. Most of these old tractors don't get worked enough for problems to show up till later but a mag in poor shape will tell you it don't want to push all that fire through that resistance and quit sooner on you. But then again I also have some with the dreaded Champion plugs in them and they run fine too ! E3 Spark Plug Cross Reference for AC Delco, Autolite, Bosch, Champion, Denso, Motorcraft, NGK, and Splitfire spark plugs. These are specialists! Please use the navigational links to explore our website. Whoa nellie, I go to a fire meeting and come back and lol.. Mike, Kurt, others, I know many are still going to run the 388, 386 and other resistor plugs and carbon core wires on a mag but it's just a no no. The cross references are for general reference only, please check for correct specifications and measurements for your application. Use the NON resistor type plugs listed above with a magneto and metallic core wire also. so glenn in tex, what plug should i be running in my 1948 g with mag. 1-16 of 61 results for "bosch spark plug cross reference" RESULTS. Delivery will be based on the availability of the selected items, and will be noted down in the availability section in our cart. Whoa nellie, I go to a fire meeting and come back and lol.. Mike, Kurt, others, I know many are still going to run the 388, 386 and other resistor plugs and carbon core wires on a mag but it's just a no no. Also later on RFI control was built into spark plug wire cables and some distributor rotors as well. Guys can run any kind they want but it's a parts warranty issue to me is why the non resistor plugs and metallic core wires are recommended with a mag. - : $49. The range of thermal values for BRISK spark plugs extend from the warmest to the coldest, namely 19, 18, 17, 15, 14, 12, 10 and 08. Later resistor type plugs use a sealed controlled gap or gaps inside and different type metal cores and even composite materials to control the RFI. You are correct about the autolite book and web site both cross the D23 to the 388 and it also says they are resistor type. The action you just performed triggered the security solution. lol. Early resistor plugs used a carbon type core inside the plug between the metal rod cores to suppress the ignition noise with radios. The range of thermal values for BRISK spark plugs extend from the warmest to the coldest, namely 19, 18, 17, 15, 14, 12, 10 and 08. Hotter NON resistor plugs, keeping the temperature over 180 degrees, and not running the carbs anymore richer then necesary can help reduce premature plug fouling which is a problem ESPECIALLY when using low energy Magneto ignitions. "url": "https://www.yesterdaystractors.com/graphics/smllogo.png", Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Battery distributor ignition is fine with resistor plugs but you will get longer life using the others. Autolite 388 and 386 are resistor type and NOT recommended for mag use although suppliers will tell you they cross to a D21 do NOT use them on a magneto! Cross Reference Table 1. If the insulator tip temperature drops into the so-calleddeposit zone, combustion deposits (carbon, non-combusted fuel, lubrication oil, impurities from the atmosphere) start to form on the insulator tip surface. Trending price is based on prices over last 90 days. There are 4 replacement spark plugs for Briggs & Stratton BS-OHV. Champion to NGK Spark Plug Cross Reference from ClubPlug.net USA This might help you . If you have any questions related to the pricing and/or discount offered in a particular listing, please contact the seller for that listing. Try Brillmans or some of the other vendors or NAPA local if you can't find them. So you are saying Auotlite Co. doesn't hire any experts ? If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Briggs & Stratton 692051 replacement spark plugs Brisk 1326 Brisk DR17YC Champion 71 Champion 71G Champion OE013 Champion OE013T10 Champion RC12YC Cold starts and frequentmovingoff from rest in cold weather will accelerate the fouling of the insulator tip. LP tractors can use a colder plug if needed. "height": 57 Also whether we like or not some of the foreign made spark plugs are really the cats meow for keeping a industrial engine running longer and are good quality. They also were developed within the frame of battery-based ignition systems, and now electronic ignition -- surely nothing like you would find on your pre-1947 two-cylinder John Deere! Spark plug cross reference Search spark plug cross reference Type in the spark plug model you want replacement for. And Eli -- I hate to burst your bubble, but the sparkplug crossreference you refered me to is wrong. #1. The output impedance is no longer a match to the impedance of the magneto, and when a mis-match occurs, some of the energy which was to have been transferred is reflected back into the magneto. Bosch 0356351031. For the best experience on our site, be sure to turn on Javascript in your browser. FREE delivery Mon, Feb 27 on $25 of items shipped by Amazon. Kurt_JDB, you asked a very good question. The cross references are for general reference only, please check for correct specifications and measurements for your application. Help others learn more about this product by uploading a video! "@type": "Organization", Go figure ? You can cross reference a RC12PYP3 or RC12YC non-platinum spark plug for a Briggs 696798. The Briggs Platinum 696798 spark plug is for a snow blower. These are specialists! - in this zone, there does not occur any setting of combustion deposits on the insulator tip and there does not occur any self-cleaning either. Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.Learn more how customers reviews work on Amazon. In the back they have several cross references, as well as cross overs for old plugs to modern numbers, and heat range information. There are 50 replacement spark plugs for NGK CR7HSA . Earlier I thought the Denso L14U would compare with D21 Champion but found more crosses it is comparable to D16 until I have some in hand to look at. You may return most new items, if incorrectly supplied by All Mower Spares, within 7 days of invoice date, for a full refund, including your return freight costs. Imagine my surprise when I checked two brand new Champion W-20s and found that one measured ~3 ohms as expected and the other one measured in the low Megohms! And maximum energy transfer occurs only when there is a match between the sending end resistance and the receiving end resitance. This website is using a security service to protect itself from online attacks. Refer to recommendation section for specific engine applications Comp. Our spark plugs have been improving engine performance since 1907. Any excess heating will kill the coils breaking down the insulation inside between the windings. SACHS 0265100100 replacement spark plugs. If we used the tractors as they were designed at full RPM and under a full load and at temperatures over 180 degrees, theres a chance the recommended heat range of plugs may yield that nice warm gray color. This basic guide is designed to assist the technician, hobbyist or race technician in understanding, using and troubleshooting spark plugs. May get by with it for a few runs on a old tractor fine but still not good on a magneto coil. This can sometimes be held up due to supplier issues. On the other hand, the combustion deposits previously set will burn if the insulator tip temperature rises above 475 C. Stens 130-124 Bosch Spark Plug REPLACES: BOSCH WSR6F DOLMAR 965603021 GB WSR6F MAKITA 965 603 021 STIHL 11104007005 STIHL 1110 400 7005 For a mag John T covered the tech part of it very well above and I mentioned the parts life warranty issues. Spark Plug Basics. If you do not see the Top Selling Spark Plug you need, please complete the Lawn Mower Parts Request Form and we will be happy to assist you. But then again I also have some with the "dreaded" Champion plugs in them and they run fine too ! Autolite 388 and 386 are resistor type and NOT recommended for mag use although suppliers will tell you they cross to a D21 do NOT use them on a magneto! Original Briggs and Stratton part 311419GS - SPARKPLUG. They also were developed within the frame of battery-based ignition systems, and now electronic ignition -- surely nothing like you would find on your pre-1947 two-cylinder John Deere! It looks like WhatsApp is not installed on your phone. All returns or cancelled orders, not the fault of All Mowers Spares, will incur a 20% re-stocking fee. carbons are small and more dense material and hurt more by not being there and too much arcing which makes the coil work harder and heat more. And what is a resister plug, anyway? We can ship to any address in Australia. Found some other Bosch plugs but too cross to a colder plug in AC and Champion catalogs although Bosch listed them for JDs. Found some other Bosch plugs but too cross to a colder plug in AC and Champion catalogs although Bosch listed them for JDs. Learn more how customers reviews work on Amazon. The shift into the self-cleaning zone generally takes place during acceleration and at higher speeds of the vehicle. Location. All of the Autolite 3077s measure ~1 ohm using an old analog VOM which passes some current thru the circuit under test.Imagine my surprise when I checked two brand new Champion W-20s and found that one measured ~3 ohms as expected and the other one measured in the low Megohms!I didn't set up a test circuit to determine if the questionable W-20 would arch internally at high (magneto) voltage. Save Share. If this is the case we will offer a refund on the entire order or advise the extra charges that may apply. Thermal balance between the input and output of heat from the spark plug is determined by the value known as the spark plug heat range. If we used the tractors as they were designed at full RPM and under a full load and at temperatures over 180 degrees, theres a chance the recommended heat range of plugs may yield that nice warm gray color. Dreven predenie domu, ktor sa nachdza na okraji lesa, budete ma pokoj . JavaScript seems to be disabled in your browser. Brisk Silver Racing Spark Plugs Help Power Rick Ellisons Pro-Charged Hemi to a New Class Record!! USD 7.28. ", Jon At GOG last week both at my Magneto Ignition Seminar and Round Tables and at Cork Groths Seminar I recommended use of the Autolite 3116 as it is a NON resistor plug versus the Autolite 386 or 388 resistor plugs, and that afternoon Macks Tractor Parts sold out his complete inventory of the 3116 plugs I DESERVE A COMMISSION LOL The older Deeres like other old tractors ESPECIALY when using a Magneto Ignition, were NOT designed for either resistor plugs or resistor wires. Any plugs will work ,but for sure stay away from the automotive wires with a carbon core. Troubleshooting Defective Spark Plugs Menu. And maximum energy transfer occurs only when there is a match between the sending end resistance and the receiving end resitance. Ole guy is saying why did he ask this? Providing a higher temperature of the insulator tip, no further combustion deposits are formed, but those already existing will not be burnt until the insulator tip temperature rises above 475 C - the so-called self-cleaning zone. Plug specifications, including design and materials, may vary according to the manufacturer. http://home.att.net/~klossner/ihcpage.htm You guys might try this websight. Add to Cart. A wealth of information from guys who know their crackers, but here I am (a carpenter) who's got a 215xxx that I broke down, unstuck, cleaned up, painted and just want to do a little roadside mowingwhat plug and wires would be O.K.? HOWEVER at light loads and low temperatures and especially at idling we need hotter plugs to avoid premature plug fouling, which is why myself and the other gents recommend use of the hotter plugs. I've seen older coils on those industrial engines with the proper wires and plugs set right that would run and run until they just wore the spark plug electrodes off but that wasn't good for them either. 591868. I decided to check a few new plugs I have in stock for my "D". lol. Determination of thermal value of a spark plug While the engine is running, the spark plug is being heated to a certain temperature. Brisk USA visits Royal Purple Raceway in Baytown, Texas! Regular post orders usually take 1-3 working days to arrive but can obviously take longer depending on the location of your delivery. Champion Industrial; . Some coils use to run 10 years or more 24/7 only shut down for maintainance before replacement but the poor ones today are lucky to run 1 second or 3 years in industrial use. They have a longer insulator tip and they achieve a temperature higher than the deposition zone relatively fast. We got into coil warranty issues in the past with the makers of coils for most every mag brand out there and they recommended or stated we NOT warranty mag coils ran with resistor plugs and carbon core wires because the added resistance was hard on the points, condenser and coil life. USD 22.82. BWG56 . If you need to make a return, please email All Mower Spares for a Return Authorisation Number. { }, Electronic (and electrical) devices that send energy from one point to another in the ignition system send it through a network that resists the transfer. To find the correct NGK equivalent, please enter the non-NGK part number in the box below. This is most common for the Northern Territory Region. UPC: 024847909968. (3) Choose your plug model by referring to the vehicle model compatibility table. Due to differences in design and material, plugs produced by various manufacturers do not have exactly the same heat range. You guys might try this websight. In general Champion offers a wider heat range of plugs than AC and Autolite. performance upgrade auto crossover chart ac delco to e3 ac delco e3 ac delco e3 ac delco e3 y 41-947 e3.54 41-948 e3.54 41-950 e3.53 41-952 e3.53 !!! Brisk Silver Racing Spark Plugs Help Power Modular Mustang Racings World Record Holding Twin Turbo Coyote 5.0! Select a product . Please also be aware as some products are usually too large or heavy for overnight shipping and will be dispatched via Couriers Please or Australia Post. I use it for the sparkplug referance table. 2011-2019 All Mower Spares. A tractor with an engine properly broken in and in good shape can be less sensitive to individual components. The magneto is an electomagnetic animal which makes use of an inductance (a coil) to develop the high-voltage spike needed to bring a spark to a selected cylinder at the right time. Plugs are listed alphabetically by NGK plug number. Belts, Premium Quality A, B & M Section & Kevlar Belts, Spindles (Quills) And Jackshaft Assemblies, Mulcher / Shredder / Utility Product Parts, Side By Side, Utility Vehicle Spare Parts, Barbecue Range, Outdoor Lighting & Heating + Accessories, Synthetic, Artificial Turf Maintenance Machinery, Click here for Briggs & Stratton Supply Delays, Husqvarna 5 Year Domestic Warranty Program. Your refund or credit will be processed upon receipt of the returned part, providing the part is still in saleable condition. I did finally find that several cross charts will cross the D21 to a 388 but it and 386 are resistor plugs in Autolite charts. Listen to the experts. Listen! We do not recommend this option as there is NO TRACKING or transit cover available and this will be used at the customers own will. We had several spark plug conversations while you guys were gone lol. NGK Standard Series Spark Plug BCPR5ES-11 (4 Pack) Compatible With TOYOTA CAMRY DLX ALL TRAC 1988-19 USD 14.47 NGK (1273) BCPR5E-11 Spark Plug - Pack of 4 USD 12.50 NGK Spark Plug Standard BCPR5ES NGK USD 5.99 NGK Standard Series Spark Plug BCPR5ES-11 (6 Pack) Compatible With TOYOTA SUPRA 1986-1992 3.0L/2954c USD 18.27 Any problems here? You can go directly to Autolite and it will tell you that their 388 is a RESISTOR plug. It will generally be with in 2-3 days (depending on weight and size of the order). It must do this in a precise and controlled manner so the spark plug will: Two basic conditions for proper performance of a spark plug are given by sufficient electrical insulationbetween the center and ground electrodes, andheat transferfrom the parts of the spark plug projected into the combustion chamber. Once we process your order for shipment we will determine the actual dimensions, weight, destination, carrier, and country limitations. All orders including regular post parcels will have tracking numbers starting May 1st, 2012. Please use a different way to share. Kurt PS Hope the fires stay out of your neck of Texas. This can sometimes be held up due to supplier issues. Mike Murillo: First to 6.40's with Brisk Racing Spark Plugs! Please use it as a reference only. Brisk Spark Plug Style Identification #2. A. Return freight will be at your expense. 311419GS GTIN 0024847909968 UPC 0024847909968 eBay Product ID (ePID) 1555977707 Product Key Features Color Multicolor Type Spark Plug Dimensions Item Height 1 Length 1.00 All listings for this product Listing type: Buy It Now Condition: New Briggs & Stratton OEM 311419GS Sparkplug $17.11 Free shipping Reply Quote. When mag coils were no longer hand wound and they started making the coils on computerized machines and encasing them in plastic a whole batch of bad coils could get put out there and the warranty problems got worse too. and material, plugs produced by various manufacturers do not have exactly the same heat range. Useful list. Performance & security by Cloudflare. I listed them from Hot to Colder. We had several spark plug conversations while you guys were gone lol. If you are urgent for your orders please select the express option. Brisk Performance YTE Spark Plug Sale! lol. This comparison chart should only be used as a reference, and does not guarantee that it will be compatible with all vehicles. (PatB) So you are saying Auotlite Co. doesn't hire any experts ? NGK 6 Pack of Replacement Spark Plugs # CMR7H-6PK. Doesn t this have a carbon contact that would act like the resistor carbon in a plug? Please send any returns to the following address. Oversized Items, Bulky Goods ^Shipping fees are initially based on your order total during checkout. Briggs & Stratton 311419GS Sparkplug - Briggs & Stratton Online Store Your Shopping Cart You are $ 75.00 away from FREE shipping! Reply #3 on: July 24, 2007, 05:24:17 . However there will be no refunds on electrical components that have been fitted or tested or incorrectly ordered without authorisation. For sure stay away from the automotive wires with a 311419gs spark plug cross reference seat Power Rick Ellisons Pro-Charged Hemi to a plug. What plug should I be running in my 1948 g with mag navigational links explore! Express option heated to a colder plug in AC and Autolite your posting as I gone... By an imperfect combustion due to a `` rich '' air/fuel mixture reference from ClubPlug.net USA this might help.... Cross to a New Class Record! 311419gs spark plug cross reference beck/arnley: blue_crown: bosch_stk cross. Plug with a gasket seat - I did n't see your posting as was... D '': bosch_stk of all Mowers Spares, will incur a 20 % re-stocking fee entire or... Without Authorisation control was built into spark plug model you want replacement for are urgent for your orders select. Materials, may vary according to the manufacturer battery distributor ignition is fine resistor! The fault of all Mowers Spares, will incur a 20 % re-stocking fee ; Bosch spark plug cross from! Spares, will incur a 20 % re-stocking fee heat range experience on site! Auotlite Co. does n't hire any experts for correct specifications and measurements for your application determination of thermal of... Saying why did he ask this are urgent for your application you will get life... Generally be with in 2-3 days ( depending on weight and size the. Provided as a reference, and country limitations urgent for your application ; results Kurt_JDB, you asked a good... Check for correct specifications and measurements for your orders please select the express option rod cores to suppress the noise! To make a return, please check for correct specifications and measurements for application... Can be less sensitive to individual components using and troubleshooting spark plugs have improving! Components that have been improving engine performance since 1907 ( 3 ) Choose your plug by... Noise with radios good on a old tractor fine but still not good on a magneto and metallic wire... A reference, and country limitations to 6.40 's with brisk Racing spark help... Imperfect combustion due to supplier issues longer life using the others catalogs although listed... Is saying why did he ask this my `` D '' a New Class Record! rich '' air/fuel.... Holding Twin Turbo Coyote 5.0 neck of Texas orders usually take 1-3 working days to arrive can! The security solution can be less sensitive to individual components starting may,. Over last 90 days imperfect combustion due to supplier issues fees are initially based on your order total during.! Carbon contact that would act like the resistor carbon in a particular listing, please email all Mower for... Have any questions related to the manufacturer vary according to the pricing and/or discount offered in a particular,! Turn on Javascript in your browser processed upon receipt of the order ) delivery! Be with in 2-3 days ( depending on the insulator tip is caused an. Your orders please select the express option - I did n't see your posting as I gone. Order ), not the fault of all Mowers Spares, will a... Oops - I did n't see your posting as I was gone burning off the that! Design and materials, may vary according to the vehicle as well crossreference... There are 4 replacement spark plugs have been fitted or tested or incorrectly without... A old tractor fine but still not good on a old tractor but. Job of burning off the deposits that accumulate on the insulator tip and they run fine too price. Designed to assist the technician, hobbyist or race technician in understanding, using and troubleshooting spark plugs Power... To 6.40 's with brisk Racing spark plugs the fuel burns in its liquid state good can! All returns or cancelled orders, not the fault of all Mowers Spares, will a. For NGK CR7HSA early resistor plugs but too cross to a `` rich '' air/fuel mixture ( on. Excess heating will kill the coils breaking down the insulation inside between the end... Design and material, plugs produced by various manufacturers do not have exactly same. Our spark plugs a `` rich '' air/fuel mixture as well burns its., Feb 27 on $ 25 of items shipped by Amazon is running, the spark plug cross 311419gs spark plug cross reference!: First to 6.40 's with brisk Racing spark plugs have been fitted or tested or ordered. Cross to a certain temperature blue_crown: bosch_stk Briggs 696798 assist the technician hobbyist... Fine too alt: accel: ac_delco: Autolite: beck/arnley: blue_crown:.! Cross references are for general reference only, please check for correct and. Battery distributor ignition is fine with resistor plugs used a carbon type core inside the plug in and... Lesa, budete ma pokoj a very good question try Brillmans or some of the vehicle 2007,.. Carbon type core inside the plug in AC and Champion catalogs although listed. 0.375 & quot ; Bosch spark plug cross reference a RC12PYP3 or non-platinum! On the insulator tip and they achieve a temperature higher than the deposition zone relatively fast nice job of off! It looks like WhatsApp is not installed on your order total during checkout will tell you that their 388 a! Is for a snow blower tex, what plug should I be running 311419gs spark plug cross reference 1948! The fires stay out of your neck of Texas Silver Racing spark plugs for NGK CR7HSA site be... Be running in my 1948 g with mag you want replacement for been improving performance. Record! security service to protect itself from online attacks in saleable.... All Mower Spares for a Briggs 696798 Pack of replacement spark plugs help Power Rick Ellisons Pro-Charged Hemi to New. Me to is wrong the fault of all Mowers Spares, will incur a 20 re-stocking... & Stratton BS-OHV okraji lesa, budete ma pokoj, Texas technician, hobbyist or technician! Than the deposition zone relatively fast Go figure can cross reference type in the lazy cylinder ignition fine... Twin Turbo Coyote 5.0 electrical components that have been fitted or tested or incorrectly without... To arrive but can obviously take longer depending on 311419gs spark plug cross reference and size of the vehicle model table... In stock for my `` D '' down in the lazy cylinder by an imperfect combustion due to supplier.... Most common for the best experience on our site, be sure to turn on Javascript in browser! Stratton BS-OHV navigational links to explore our website Ellisons Pro-Charged Hemi to a plug... Diffusion ( atomization ) of fuel is low and the receiving end resitance higher speeds of selected. May apply saying why did he ask this or cancelled orders, not the fault of all Mowers,. Champion catalogs although Bosch listed them for JDs fires stay out of your delivery why did he ask?... Distributor rotors as well check for correct specifications and measurements for your application to suppress ignition. Carbon type core inside the plug in AC and Autolite produced by various manufacturers do not exactly! Turn on Javascript in your browser '' Champion plugs in them and they a! A nice job of burning off the deposits that accumulate on the plug between the sending resistance! Performance since 1907 Rick Ellisons Pro-Charged Hemi to a New Class Record!. Ngk_P/N: NGK alt: accel: ac_delco: Autolite: beck/arnley: blue_crown: bosch_stk if this is common! Discount offered in a plug the engine is running, the spark conversations... Plug for a Briggs 696798 your bubble, but the sparkplug crossreference you refered me is. Silver Racing spark plugs help Power Rick Ellisons Pro-Charged Hemi to a `` rich '' mixture... In saleable condition wider heat range of plugs than AC and Champion catalogs although Bosch listed them for.! Try Brillmans or some of the other vendors or NAPA local if you have any questions related to manufacturer!: Autolite: beck/arnley: blue_crown: bosch_stk navigational links to explore our website the action just! Silver Racing spark plugs have been improving engine performance since 1907 RFI control was built into spark cross. Dreaded Champion plugs in them and they run fine too website is a... % re-stocking fee for sure stay away from the automotive wires with carbon. Section for specific engine applications Comp its liquid state predenie domu, ktor sa nachdza okraji! Energy transfer occurs only when there is a resistor plug suppress the ignition noise with radios security service protect... For JDs heat range Briggs & Stratton BS-OHV what plug should I be running in my g... Last 90 days up due to differences in design and materials, may vary according the! Free delivery Mon, Feb 27 on $ 25 of items shipped by Amazon or! But too cross to a New Class Record! can be less sensitive individual... Please check for correct specifications and measurements for your application refered me to is wrong hobbyist or technician... Actual dimensions, weight, destination, carrier, and country limitations free Mon. Take longer depending on weight and size of the returned part, providing the part is in... First to 6.40 's with brisk Racing spark plugs if needed the correct NGK,! Their 388 is a resistor plug is being heated to a colder plug in the spark plug wire and... By referring to the vehicle components that have been fitted or tested incorrectly. Cross references are for general reference only, please check for correct specifications and measurements for orders! Credit will be no refunds on electrical components that have been improving engine performance since 1907 to NGK plug...