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Recommendation: Spark plug is operating too hot at high speeds. Replace with a colder heat range of spark plug. 7. CARBON FOULED Appearance: Black, sooty coating on firing end. Recommendation: Spark plug heat range is too cold and/or caused by extensive low-speed, short distance driving. Replace with the correct heat range of spark plug.Location. Alabama. Jun 18, 2012. #1. I have been running autolite 63 plugs in my 340 for a while now. They do fine, but I have been noticing that others here have been running the autolite 65. I know the 65 is a hotter plug. Should I consider running this plug? The reason I run the autolite 63 is because it is the same heat range as the factory ...AL216 Years:1939-64 Spark Plug, Autolite #216; Med. Heat Range.-AL216 Years:1939-64 Spark Plug, Autolite #216; Medium Heat Range; STD. Tip/Non-ResistoFree Shipping - Autolite Racing Spark Plugs with qualifying orders of $109. Shop Spark Plugs at Summit Racing. $20 Off $250 / $50 Off $600 / $125 Off $1,320 - Use Promo Code: TREAT. ... Manufacturer Heat Range: 5 . Shorty Spark Plug: No . Resistor: Yes . Electrode Tip Material: Chromium nickel alloy . Electrode Core Material: Copper ...CAUTION * Use IXU22I and VXU22I with 3SZ-VE engine. (*3) MITSUBISHI lean burn excluded. (*6) Purchase via DAIHATSU. (*8) Purchase via Mazda. (1) This comparison chart does not guarantee capability with any vehicle.The '4' on the end of the Autolite part number is the temp range. A "stock heat range" plug would be a 5 or 6 (higher is hotter). So 4 is a notch or two colder than stock. Not intimately familiar with the Accell numbering scheme, but you should probably be able to figure out which one would be close in terms of heat range, given that info.Spark Plug; Iridium; Iridium enhanced 0.6mm finewire design for optimal durability and performance. Patented, platinum sidewire technology. Platinum ground wire for maximum efficiency in all ignition types including DIS systems. V-trimmed ground electrode for improved ignitability. Heat range precisely set by Ionization Sensing Technology.Product Q & A. (6 Heat Range) 5/8", Spark Plug, Copper Core, Gasket Seat, 14mm Thread, .750" Reach, Projected Tip, Resistor*SOLD EACH! IF YOU NEED A FULL SET FOR YOUR MOTOR OR APPLICATION PLEASE MAKE SURE TO ENTER THE AMOUNT BELOW!! EXAMPLE: (X4) FOR 4 CYLINDER, (X6) FOR 6 CYLINDER, (X8) FOR 8 …Principle Applications & Specifications. Passenger Cars & Light Trucks 2011 - 1996. Passenger Cars & Light Trucks 1995 - 1960. Recreational Vehicles - Motorcycles. Commercial Equipment - Lift Trucks. Small Engine - Power Equipment Engines. Installation Bulletin for High Thread Series Spark Plugs.Detailed Description. Spark Plug; Copper; Non-Resistor; One-Piece terminal stud provides a reliable high voltage electrical connection. High alumina multi-rib insulator helps prevent flash-over which can lead to misfires. Heat-fused glass composite resistor center seal provides high performance EMI noise suppression and a 100 percent leak-proof ...autolite ®® technical information ar12 12 rv9yc r5674-7 ar13 13 rv9yc r5674-6 ar23 – rv9yc bpr6fs ar24 – rv12yc bpr6fs ar25 – rv15yc4 ur4 ar32 32 rf9yc ap8fs ar33 33 rf9yc ap7fs ar50 50 n59yd r5672a-10 ar51 51 n61yd/n6yc r5672a-9 ar52 52 n63yd/n7yc r5672a-8 ar53 53 n9yc bp6es ar72 72 j12yc r5670-7 ar73 73 j12yc r5670-6 ar74 74 j12yc r5670-6 All the right spark plugs, recommended by Ford Motor Company. The Motorcraft ® name means quality, performance, reliability and confidence. All of these can be found in each Motorcraft ® spark plug. Motorcraft ® spark plugs are available for a broad range of applications, including domestic and import cars and trucks of all makes and sizes.Don't let the Harley heat monster ruin your riding. Reduce Engine Surging Improve Throttle Response ... V-Twin Café provides a spark plug application and interchange chart for Harley-Davidson motorcycles, including Twin Cam, ... Autolite: 2585: 4265: 4265: 4265: Autolite Platinum : AP4265DP2: AP4265DP2: AP4265DP2: ACCEL: 2417: 2410A: 2403A: 2410A:No longer necessary as modern spark plug coatings work as a releasing agent and should be installed dry. Anti-seize can alter the tightening torque up to 20%, increasing risk of breakage. Anti-seize can create heat transfer and electrical conductivity concerns. Only use anti-seize where it is OE recommended.Get the Best Performance with Autolite SPARK PLUG 86 parts at JEGS. Shop Now at the Guaranteed Lowest Price! ... MSD Ignition 37384 - Iridium Spark Plug Heat Range: 4 $33.90. Add To Cart. $33.90. MSD Ignition . E3 Spark Plugs E3.52 - E3 Spark Plug 14mm $6.49. Add To Cart. $6.49.ACCEL C-Cut Copper Spark Plugs creates a considerably hotter spark that lets the flame expand more rapidly in the combustion chamber. Allows spark to expand directly above the midpoint of the electrode core – preventing the spark from being shrouded by the ground strap. Gives the flame an unblocked area to grow – creates a larger flame ...Detailed Description. Spark Plug; Double Platinum; The platinum-to-platinum design of AutoliteDouble Platinum spark plugs greatly decreases gap erosion and reduces misfires. These are superior-performing spark plugs for distributorless ignition system (DIS) engines. Get up to 3X longer service life compared to standard copper plugs.

NGK Spark Plugs GR4 - V-Power Spark Plug 14mm x 3/4" Reach ... (0) $4.69. NGK Spark Plugs BKR7E - V-Power Resistor Spark Plug 14mm x ... (0) $3.99. Some parts are not legal for use in California or other states with similar laws / regulations. AR-3924 Race Plug.Autolite Automotive Spark Plugs on AutoliteSparkPlugs.comCritical factors involved in choosing the correct spark plug heat range include: 1. Air/Fuel Mixture: Lean air/fuel ratios raise cylinder-head temperatures, requiring a colder plug. Rich air/fuel ...Autolite Racing spark plugs feature a cut back ground electrode, anti-corrosive nickel plating, and large ground electrode for better heat transfer. Heat range Hot. Power Tip 14mm plug .708" reach 5/8 hex Tapered seat Non-resistor Vendor Number: AR94 Note: Please use the Vendor Number to reference the PDF chart links listed. Item Details .708" Reach 5/8" Hex Tapered Seat Power Tip Vendor Part ...and material, plugs produced by various manufacturers do not have exactly the same heat range. Refer to recommendation section for specific engine applications Comp. Part# NGK STK # NGK # Comp. Part# NGK STK # NGK # Comp. Part# NGK STK # NGK # 44 3510 B6S 41-963 7740 PTR5C-13 45FFS 6222 BPR5HS 45 3210 B4 41-965 2467 PTR5A-13 45L 3112 B4L

Copper Resistor; Pre-Set Gap: 0.050". Since 1936, Autolite has been a trusted leader and innovator in spark plug technology. You can count on Autolite copper plugs for performance and value, backed by decades of experience and passion. Features & Benefits: Guaranteed to deliver quick starts, good fuel economy and smooth acceleration.Bosch Automotive Replacement Parts on BoschSparkPlugs.netAutolite Platinum AP104 Automotive Replacement Spark Plugs (4 Pack) USD 8.91. Denso 5326 Spark Plug. USD 26.95. 6 pc DENSO 5326 Iridium Power Spark Plugs for 003 159 24 03 101 000 010 AB 101 000 015 AA 101 000 02. USD 37.95. TORCH Q5RTI2-15 Iridium Spark Plug Replace for NGK TR55IX 7164 Spark Plug, for CHAMPION RC10WMP2 Spa. USD 7.99.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Find Autolite Spark Plugs 14mm Spark Plug Thre. Possible cause: Why does Autolite 135 show a heat range of 5, Champion RV92YC show a heat r.