05-076 HELMETS & AUDIO PRIMARY & CLUTCH CONTROL CABLES & HYDRAULIC LINES OIL, OIL FILTERS & OIL COOLERS SEAT TRANSMISSION FOOT CONTROLS HARDWARE EXHAUST GASKET & SEALS FRONT FORKS WINDSHIELD ELECTRIC & LIGHT FINAL DRIVE FRAME & REAR SUSPENSION LUGGAGE ENGINE ELECTRICS WHEELS & TIRES FENDER & STRUTS TOOLS & CHEMICALS INTAKE BRAKE GAS & OIL TANK TECH TIPS & CROSS REF OEM>ZPN ENGINE HANDLEBAR, HAND CONTROLS & MIRRORS GAUGES & DASHES ALPHABETICAL INDEX Harley Standard Harley Gold Harley Platinum Screamin' Eagle Accel Standard Accel Platinum Champion Standard Brisk Standard Brisk Silver Nology Silver E3 Diamond FIRE 03-apr - - - 2401 - - - - B2S - 4R5 4R5G XL10S 2413 - - RL82YC NR14YC - - E3.32 5A6A - - - 2403A 2403P RN13LYC - - L7YS E3.34 5R6A 5R6AG 5R6APP EVS13S 2410A 2410P RN12YC LR17YC-1 LR17YS L7YS E3.34 5RL - - - 2417 2417P RN12YC LR17YC-1 LR17YS L7YS E3.34 6R7 - - - - - RN7YC LR14YC - - E3.34 6R12 6R12G - EX12S 2418 2418P RA8HC BR15YC B12S B2S E3.36 10R12A 10R12AG 10R12APP - - - RAX94YC - - - - - - - - - - - - LR14YS L4YS - - - - - - - RA6HC BR14YC - - E3.36 RG6HCC - - - - - RG6HCC - - - E3.39 - - - - - - RN11YC4 LR17YC-1 LR17YS L7YS - The E3 unique ground electrode incorporates the combined benefits of several known performance plug types as well as new science based upon years of spark plug research. The three main performance components that determine how the E3 DiamondFIRE configuration works are: • Open Ground Electrode Design This mimics surface gap spark plugs like the type used in rotary engines which directs the flame kernel to the piston more directly than traditional J-wire designs. This design reduces the travel time from the spark zone to the chamber containing the compressed gases. The opened section at the top of the electrode avoids the creation of the doughnut shaped flame kernel known from standard plugs. Given the short amount of time available to get combustion started, the faster you can direct the flame to the area above the piston, the better the burn. • Forward Projection into Spark Zone With retracted plug designs, the generated spark lies against the top of the combustion chamber surface. The E3 ground electrode is designed to project farther forward into the combustion chamber. This brings the spark zone closer to areas of probable good air-fuel mixture. The outward projection also creates beneficial "micro-aerodynamics" within the spark zone. Since the initial combustion wave leaves the spark area at supersonic speeds, the elevated edge of the E3 electrode provides somewhat of a chimney effect as the next air-fuel mixture enters the spark zone. • Edge-to-Edge Spark Discharge The strongest part of the E3 electrode design is the forced Edge-to-Edge spark discharge, which was proven to be the best way to direct a spark as it leaves the electrode's surface. Since the spark itself occurs only when an avalanche of electrons migrates from the two electrodes (cathode to anode), sharp edges are better at initiating migrations, and accelerated electrons collide inside the spark zone. 780009 Set of 2 sparkplugs "Beck No.3", Samwel (OEM 37-09C, 32302-09, 32303-47) 789603 Set of 2 sparkplugs "Globe No.3", V-Twin Mfg. (OEM 37-09C, 32302-09, 32303-47) 1399 AIR COOLED SPARK PLUGS FOR VINTAGE HARLEYS M18x1.5 sparkplugs, fits all Harley singles 1926-1934, all 45CI models, all Sidevalve Big Twin and Knucklehead. Beck spark plugs show the Beck logo and the heat range "3", Globe style plugs have no markings except the heat range "3". Plugs must be gapped to 0.025" (0.635mm) Fits 2015-2022 XG500 & XG750 Street, 2017 to present Milwaukee Eight Touring & Trike and 2018 to present Milwaukee Eight Softail 757644 E3.39 spark plug, each (OEM 31600012) Fits Buell 1995-2002 Thunderbolt, 1997-2002 Cyclone M2, 2006-2010 Lightning, 2006-2010 Ulysess, 2008-2010 1125R, 1986-2022 Evolution Sportster XL and XR, 1999-2017 Twin Cam, 2002-2017 V-Rod, S&S X-Wedge, S&S 4 1/8" bore engines 757643 E3.36 spark plug, each (OEM 32362-04) Fits 1983-1985 XR 1000, 1975-1984 Shovelhead, 1984-2000 Evolution Big Twin, Ironhead Sportster and S&S SH Series, S&S P-Series, S&S KN-Series, S&S 3 5/8" bore and S&S 4" bore engines 757642 E3.34 spark plug, each (OEM 32342-04) Fits 1971-1985 Sportster XL, XLCH & XLS 1000 757641 E3.32 spark plug, each (OEM 31629-78) 30761 E3 DIAMONDFIRE SPARK PLUGS (Ȧ*ȡ1ȝ (Ȥ(ț7Ȫ,ț6 SPARK PLUGS
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