DOC HARLEY: WHY CHANGE SPARK PLUGS

Best Spark Plugs For Harley Davidson on December 2019 Shopping Deals at Bestonio.com

  • NGK Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)

    • UPC: 700155016542
    • Color: White
    • Brand: NGK
    • Manufacturer: NGK

    Gain up to 3HP just by using these plugs! • The ultimate in spark plug technology and performance from the industry leader • The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrode • Ultra-small diameter center electrode reduces voltage requirement and extends ignition syst... [read more]

  • NGK 6046 PK2 DCPR7EIX Iridium IX Spark Plugs

    • UPC: 700155016559
    • Brand: NGK
    • Manufacturer: NGK

    NGK Iridium IX Spark Plugs - Pack of 2

  • E3 Spark Plug E3.36 Powersports Spark Plug, Pack of 1

    • UPC: 172303029771
    • Color: -
    • Brand: E3 Spark Plugs
    • Manufacturer: E3 Spark Plugs

  • Iridium Performance Spark Plugs Pair for Harley Softail Slim Twin Cam repl. Harley# 6R12

    • Color: Black
    • Brand: Orange Cycle Parts
    • Manufacturer: Aftermarket

    The ultimate in spark plug technology and performance Iridium electrode is smaller than a standard electrode; requires less voltage Hotter spark and extended spark plug service life compared to conventional plugs Has the distinctive black ceramic with and gold-colored corrosion-protected coating on the metal shell Sold in pairs Replaces Harley# 6R1... [read more]

  • Harley-Davidson Softail Slim Twin Cam Performance Spark Plugs Pair repl. OEM# 6R12

    • UPC: 790566140226
    • Color: Black
    • Brand: Orange Cycle Parts
    • Manufacturer: Aftermarket

    Performance Spark Plugs for Harley Twin Cam 2000-2017

  • ACCEL 172086 8.8mm Yellow Custom Fit Spark Plug Wire Set

    • UPC: 743047942475
    • Color: Yellow
    • Brand: ACCEL
    • Size: n/a
    • Manufacturer: ACCEL

    ACCEL 8.8mm Yellow Custom Fit Spark Plug Wire Sets come ready to install with high-capacity spiral-core conductors, fiberglass-braid covers, and extra-thick silicone jackets in classic ACCEL yellow. They feature factory-installed positive-locking stainless steel terminals with high-dielectric-strength silicone boots for optimum insulation on the pl... [read more]

  • ACCEL ACC 172086K 8.8mm Black Custom Fit Spark Plug Wire Set

    • UPC: 743047942482
    • Color: Black
    • Brand: ACCEL
    • Size: One Size
    • Manufacturer: ACCEL

    ACCEL 8.8mm Black Custom Fit Spark Plug Wire Sets come ready to install with high-capacity spiral-core conductors, fiberglass-braid covers, and extra-thick black silicone jackets. They feature factory-installed positive-locking stainless steel terminals with high-dielectric-strength silicone boots for optimum insulation on the plug end and high-con... [read more]

  • Harley-Davidson Softail 1984-1999 Performance Spark Plugs Pair repl. OEM# 5R6A

    • UPC: 790566140493
    • Brand: Orange Cycle Parts
    • Manufacturer: Aftermarket

    Performance Spark Plugs for Harley

  • Brand New Dragon Fire Race 10.2mm Spark Plug Wire 2009-2016 Harley-Davidson Touring Trike OEM Fit PWJ191

    • UPC: 025093040252
    • Brand: AIP Electronics
    • Manufacturer: AIP Electronics

    Featuring an ultra-low resistance reading of 150 Ohms per foot, considerably lower than OEM factory wires (3000+ Ohms per foot rating) and the competition (300+ ohms). Spiral wound alloy conductor with a Kevlar core wrapped in a highly durable EMI sleeve. Uses a high dielectric strength co-polymer compound to eliminate voltage leaks and Radio Frequ... [read more]

  • E3 Spark Plug E3.34 Powersports Spark Plug, Pack of 1

    • UPC: 753167415506
    • Brand: E3 Spark Plugs
    • Manufacturer: E3 Spark Plugs

  • Accel 2418 Spark Plugs (Pair) 6R12 for Harley Davidson Twin Cam

    • Color: White
    • Brand: ACCEL - Orange Cycle Parts
    • Manufacturer: ACCEL

    Accel High Performance spark plugs - ground electrode builds the spark to a inchball of fireinch flame providing a smoother idle and better combustion.Sold in pairs. This listing for Accel number 2418, replaces OEM part 6R12. Suitable for all Harley Davidson Twin Cam models from 1999 up.

  • NGK # 6046 Iridium Spark Plugs -- DCPR7EIX -- for Harley-Davidson Twin Cam and XL --- 4 PCS * NEW *

    • UPC: 014575182115
    • Brand: NGK
    • Manufacturer: NGK Spark Plugs

  • ACCEL 171097-R 8mm Red Spark Plug Wire

    • UPC: 743047106204
    • Color: Red
    • Brand: ACCEL
    • Manufacturer: ACCEL

    ACCEL 8mm Red Spark Plug Wire Sets feature extra-thick silicone jackets and insulation to eliminate electrical leakage and the RFI interference that can interrupt sensitive electronic ignitions. These durable, reliable wire sets have a special aramid core and fiberglass braiding to resist vibration and wire stretch, can withstand temperatures up to... [read more]

  • NGK (6046) DCPR7EIX Iridium IX Spark Plug, Pack of 1

    • UPC: 087295160466
    • Brand: NGK
    • Size: One Size
    • Manufacturer: NGK

    Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The 0.6mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Longer insulator nose prevents fou... [read more]

  • Harley Sportster Roadster XL 1200R Iridium Performance Spark Plugs Pair repl. OEM# 6R12

    • Color: Black
    • Brand: Orange Cycle Parts
    • Manufacturer: Aftermarket

    The ultimate in spark plug technology and performance Iridium electrode is smaller than a standard electrode; requires less voltage Hotter spark and extended spark plug service life compared to conventional plugs Has the distinctive black ceramic with and gold-colored corrosion-protected coating on the metal shell Sold in pairs Replaces Harley# 6R1... [read more]

  • SUMAX 20231 Custom Plug Wire RED for Harley-Davidson

    • UPC: 182682063358

  • Taylor Cable 14031 Plug Wire Set

    • UPC: 088197140310
    • Color: White
    • Brand: Taylor Cable
    • Manufacturer: Taylor Cable

    Taylor's FULL METAL JACKET ignition wires feature stainless steel braiding on our most popular 8mm 350-ohm per foot Spiro Pro wire with polished spark plug jackets and 100% silicone spark plug boots. Double locking spring terminals ensure the wires stay connected.

  • ACCEL 175073 8.8mm 300+ Custom Fit Spark Plug Wire Set

    • UPC: 743047418550
    • Brand: ACCEL
    • Manufacturer: ACCEL

    ACCEL 8.8mm 300+ Custom Fit Spark Plug Wire Sets have a specially designed Ferro-Spiro core ideal for Disc Glides, Electra Glides, Fat Bobs, FLFBs, FLHBs, FLHFs, FLHFBs, Low Riders, and Super Glides. These durable, reliable wire sets feature extra-thick silicone jackets and insulation that eliminates electrical leakage and a special aramid core and... [read more]

  • JBSporty ♧ Black Taylor short Wires for Coil relocate Harley Davidson Sportster, Nightster, 72, 48 Iron Roadster 883 1200 ♤

    • Color: black
    • Brand: JBSporty
    • Manufacturer: JBSporty

    PLEASE NOTE: You can save $3.00 on these wires, when combining your order with JBSporty's Coil relocation bracket. Also these will not fit without a coil relocation kit! ***** This order includes one pair of Taylor, and JBSporty's custom made (Bobber Black) 8mm Spiro-Pro Spark plug wires! Taylor has been in business making professional wires since ... [read more]

  • Blue Streak Triple Silicone XXX 8mm Spark Plug Wires Set MC-SPW5

    • UPC: 091769397869
    • Color: blue
    • Brand: Blue Streak
    • Manufacturer: Standard Motor Products

    Triple silicone construction through jacket, insulation and core for higher heat-resistance. Rated at SAE CLASS E J2031 with a continuous operating temperature of 450 degrees F. Made in the USA.Harley Davidson FLH Electra Glide 1980-1984Harley Davidson FLHC Electra Glide Classic 1980-1981Harley Davidson FLHS Electra Glide Sport 1984Harley Davidson ... [read more]

  • DOC HARLEY: WHY CHANGE SPARK PLUGS

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