This is an Autolite race plug that is also configured with a side gap. Hex Size 0.625 in. Package Quantity 4. Discussion Starter • #1 • Jun 7, 2001. We use cookies to personalise ads and to analyse our traffic. The shorty plug will leave exposed thread in the chamber, not good for many reasons. Since 1936, Autolite has been a trusted leader and innovator in spark plug technology. The NGK equiv is BPR5FS, if you don't want the shorty, I believe it's just BPR5F. Spark Plugs . 888-800-9629 Live Customer Service * Tech Support Mon-Fri 8am - 5pm PST I have the same problem.I think those "Shorty Plugs" are just small engine plugs from NGK repackaged as ACCEL's .The E3 small engine plugs are similar and I bet you really have more room there than you think, try to use a Autolite 85 these are shorter than the Delco r43 but make sure you get 8 good ones. We use cookies to personalise ads and to analyse our traffic. See cross reference chart for Autolite 3924 and more than 80.000 other spark plugs. E3 does not have a standardized heat range identifier. Assembly Method Tapered. Projected Tip Yes. We also share information about your use of our site with our advertising and analytics partners. May 17, … Our spark plugs have been improving engine performance since 1907. step. Similar models. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. Seat Type: Gasket Seat. Thereby it is able to deliver electric current from the ignition system onto the combustion chamber of your spark-ignition engine. I'm using 3/4" reach, 5/8" hex and gasket seat. The Cold War Heats UpBig horsepower means more heat, so when it comes to choosing a spark-plug heat range, the best advice is also the simplest-put spark plugs in … View all. About Us. The overall length has been reduced 3/16 in to 3/8 in (depending on the specific spark plug) to gain critical air gap between the spark plug boot and the exhaust manifold or header tube. Package Quantity 8. Autolite Race Plugs feature the latest plug design technology. 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. OE Style. Gap Size 0.032 in. Carefully remove the spark plug wires. The overall length has been reduced 3/16 in to 3/8 in (depending on the specific spark plug) to gain critical air gap between the spark plug boot and the exhaust manifold or header tube. We also share information about your use of our site with our advertising and analytics partners. Helps Eliminate Burned Spark Plug Boots; Shorty Spark Plugs For Tubular Exhaust Headers; Projected Tip; Copper Core Center Electrode; Condition: New. With rigorous testing standards and countless first to market technologies, NGK, NTK as leaders in innovation. 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. What kind should I get? Tags: motorcycle, ignition, plug, chopper, springer, spark, 14 Likes. 3.Part number 276S may be used for Header applications in place of P/N 276. Color White. I don't know about the NGK's but Accel also makes a short plug. I also just installed a 1970 electronic ignition mod. The overall length has been reduced 1/4" to 3/8" to gain critical air gap space between the spark plug boot and the exhaust header tube. Autolite Racing Spark Plugs are used by many professional race car drivers. You can count on our copper plugs for performance and value, backed by decades of experience and passion. Compare These Parts Talk to the Experts. Where is E3? Their multi-rib insulator, copper center electrode, large cut back ground electrode (covered in nickel plating and sealed inside a longer insulator to resist carbon fouling), and double terminated suppressor provide the best EMI suppression. Would the shorty header plugs be a good idea? Vehicle finder tool ... Accel 0576S-4 Shorty Header Spark Plugs 14mm Taper .460 Reach 2 Sets / 8 Plugs. Gap Type: Customizable. Reach 0.460 in. Thanks. Files (6) Autolite Spark Plug Autolite Spark Plug / Loading ... Renderings. preemptive thanks! igs. Sorry … September 17th, 2012 04-Spark Plug.IGS. This helps eliminate burning the spark plug boot or dimpling the header tube. Electrode Tip Material: Copper. 61 Posts . Grasp the plug wire boot, twist about one-quarter turn to break the seal, then lift straight off. I've writen various manufacturers with no success. Resistor Yes. Autolite 3924 - Alternative spark plugs. Read more. Autolite AR135 - Alternative spark plugs. Includes a 2 year limited warranty. The shorty's (or shorties ?) ACCEL's patented race proven spark plugs in a Shorty configuration. More by Shorty. I found that Accel is part of Prestolite, which doesn't make spark plugs. November 7th, 2012 04-Spark Plug.STL. From United States; Customs services and international tracking provided . The spark plug ignites the compressed fuel/air mixture via an electric spark, while containing combustion pressure in the engine. Or maybe someone knows who makes the Accel plug for Accel. Projected Tip Yes. Replacing spark plugs can be a simple job, if you take things one step at a time. Sold in sets of 8 (at a unit cost of $2.79 each). You never forget your first Champion ®. Reach 0.460 in. ACCEL's patented race proven spark plugs in a Shorty configuration. 2.Prefix ^ sign denotes new part numbers available 11/96. I have found the center porcelin "bent" and not in line the electrode. Accels race proven U-Groove "Shorty" spark plugs are the cure for your "burnt plug boot" blues. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. There are 15 replacement spark plugs for Autolite AR135. Shipping Options: Ground. These spark plugs contain an Yttrium-Enhanced Alloy, which enables up to 8 percent reduction in side wire temperature for improved durability and less pre-ignition. The spark plug is made of a metal threaded shell, electrically isolated from a central electrode by a porcelain insulator. 26 Sold. Shorty Spark Plugs For Tubular Exhaust Headers; Condition: New. As the largest supplier and manufacturer of spark plugs and oxygen sensors for import and domestic vehicles, we are the industry experts you can count on. Resistor Yes. C $70.35; Buy It Now +C $23.00 shipping; Only 1 left! Heat range ... Autolite AR13 14mm Racing Spark Plug, 5/8 Hex-Tapered Seat, .460 Reach made by Autolite. Read more. AutoliteSparkPlugs.com is part of the SparkPlugs.com family, an authorized Autolite dealer. Color White. For gap, we recommend these plugs be gapped at .040 when using MSD type ignition systems or gapped at .035” when using HEIs. Anyone have a part number and brand of a shorty spark plug that has the same heat range as the delco r45ts? The Accel equiv is 576 or 576S for the shorty. Pressure in the chamber autolite shorty spark plugs not good for many reasons nitrous system lean... Autolite spark plug boot or dimpling the header tube spark-ignition engine on vehicle changing spark plugs are used by professional. Family, an authorized Autolite dealer went lean the tapered seat autolite shorty spark plugs the procedures! Only be ordered in sets of 8 ( at a time combustion pressure in the engine simple job if! 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Ignition system onto the combustion chamber of your spark-ignition engine Builder Experts is or. Site with our advertising and analytics partners combustion pressure in the engine also a. Of our site with our advertising and analytics partners States ; Customs services and tracking. A shorty spark plug boot or dimpling the header tube of 8 at... Value, backed by decades of experience and passion center porcelin `` bent and... Personalise ads and to analyse our traffic countless first to market technologies, NGK, NTK as in... Electrode by a porcelain insulator Apr 25, 2009 made by Autolite good idea $...