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Engine Oil
Primary Oil
Transmission Oil
Oil Filters
Brake Pads
Brake Fluid
Additives
Fork & Shocks Oil
Spark Plugs
Polish & Detailing
Chemical Products
Air Filters
Fuel Filters
Brake cleaner &...
Accesories
Maintenance Kits

Everything you need to service your Harley-Davidson on your own. In this category, you’ll find complete DIY maintenance kits, including engine oil, transmission oil, primary oil, and high-quality oil filters, designed specifically for Harley-Davidson models. Whether you're doing a routine oil change or preparing for a long ride, these kits ensure your bike stays in peak condition without visiting the shop.

Spark Plug — Thread reach 19.1 mm (3/4"), thread size 12 mm, hex 16 mm (5/8"), spark gap 0.9 mm, heat range 6

-€3.75

NGK SPARK PLUGS Spark Plug — Thread reach 19.1 mm (3/4"), thread size 12 mm,...

Durable spark plug with trivalent plating, alumina-silicate ceramic insulator, triple seals, corrugated ribs, and a copper core for reliable ignition and heat control.

€4.45 €8.20

Spark Plugs — 12 mm thread, 19.1 mm reach (3/4"), 16 mm hex (5/8"), DCPR7E, Heat 7

-€2.73

DRAG SPECIALTIES Spark Plugs — 12 mm thread, 19.1 mm reach (3/4"), 16 mm hex...

Black ceramic-body spark plugs with a copper core electrode for improved conductivity, strong insulation, and long service life.

€5.85 €8.58

$Spark Plugs — 19.1 mm reach, 12 mm thread, 16 mm hex (5/8\"), Heat Range 8$

-€2.73

DRAG SPECIALTIES Spark Plugs — 19.1 mm reach, 12 mm thread, 16 mm hex (5/8\"),...

Black ceramic body with red logo; 95% alumina insulator; multi-rib design eliminates flashover; nickel-plated housing; copper core electrode; leak-free multi-layer gaskets.

€5.85 €8.58

-€2.73

DRAG SPECIALTIES Spark Plugs — 14 mm thread, 19.1 mm reach (3/4 in), BPR5ES-11

Black ceramic spark plugs with a copper-core electrode for long service life. Multi-rib insulator prevents flashover; nickel-plated housing resists corrosion.

€5.85 €8.58

Spark Plugs — BPR7ES-11, 14 mm thread, 19.1 mm reach (3/4"), 16 mm hex (5/8"), heat range 7

-€2.53

DRAG SPECIALTIES Spark Plugs — BPR7ES-11, 14 mm thread, 19.1 mm reach (3/4"),...

Distinctive black-ceramic plugs with multi-rib insulator, nickel-plated housing and copper-core electrode for long life and reliable ignition.

€5.42 €7.95

Spark Plugs, Iron XL — 14 mm, projected center electrode, nickel alloy tip

-€2.43

DRAG SPECIALTIES Spark Plugs, Iron XL — 14 mm, projected center electrode,...

Distinctive black ceramic body with red logo; 95% alumina insulator resists heat shock. Multi-rib design prevents flashover. Nickel-plated housing and copper core electrode for corrosion resistance and reliable conductivity.

€5.20 €7.63

Spark Plugs, Iron XL — 14 mm thread, projected center electrode, heat range 6

-€2.43

DRAG SPECIALTIES Spark Plugs, Iron XL — 14 mm thread, projected center...

Black ceramic-body spark plugs with red logo, 95% alumina insulator, multi-rib design, nickel-plated housing and copper core for long life.

€5.20 €7.63

-€2.53

DRAG SPECIALTIES Spark Plugs, Iron XL — 14 mm thread, Heat Range 6, Pair

Black ceramic-body plugs with copper-core electrode, multi-rib insulator to prevent flashover, and nickel-plated housing for corrosion resistance.

€5.42 €7.95

-€2.33

DRAG SPECIALTIES Spark Plugs, Iron XL — 14 mm thread, Heat range 5, Pair

Black ceramic body with bold red logo, 95% pure alumina insulator, multi‑rib design to prevent flashover, nickel‑plated housing and copper core electrode for long life.

€4.99 €7.32

Iridium Spark Plugs — 12 mm thread, 17.5 mm reach, 16 mm (5/8") hex, pair

-€7.19

DRAG SPECIALTIES Iridium Spark Plugs — 12 mm thread, 17.5 mm reach, 16 mm...

Ultra-fine iridium electrode for hotter spark and longer service life; black ceramic with red lettering and corrosion-resistant shell.

€15.41 €22.60

Resistor Spark Plug — 19.1 mm reach, 12 mm thread, 16 mm hex, heat range 7

-€5.90

NGK SPARK PLUGS Resistor Spark Plug — 19.1 mm reach, 12 mm thread, 16 mm hex,...

Resistor spark plug with wide heat range to reduce fouling and preignition; high-alumina ceramic, copper core, nickel-alloy tip.

€6.60 €12.50

Spark Plugs — Thread 10 mm, Reach 19.1 mm (3/4"), Hex 16 mm (5/8"), CR9E

-€2.73

DRAG SPECIALTIES Spark Plugs — Thread 10 mm, Reach 19.1 mm (3/4"), Hex 16 mm...

Distinctive black ceramic body, 95% alumina insulator with multi-rib design, nickel-plated housing, multi-layer gaskets, and copper-core electrode for long life.

€5.85 €8.58

-€7.70

DRAG SPECIALTIES Spark Plugs — E18-6759SDS, Pair

High-performance plugs with a black ceramic body, 95% pure alumina insulator, multi-rib design to prevent flashover, nickel-plated housing, multilayer gaskets, and a copper core electrode for long life.

€16.50 €24.20

Spark Plug — 14 mm thread, 11.1 mm reach, 0.7 mm gap, heat range 6

-€2.21

NGK SPARK PLUGS Spark Plug — 14 mm thread, 11.1 mm reach, 0.7 mm gap, heat...

High-durability spark plug with trivalent metal plating, alumina silicate insulator, triple seals, corrugated ribs, and copper core for efficient heat removal.

€2.74 €4.95

Iridium IX Spark Plug — 19.1 mm (3/4") reach, 14 mm thread, 1.1 mm gap

-€7.74

NGK SPARK PLUGS Iridium IX Spark Plug — 19.1 mm (3/4") reach, 14 mm thread,...

High-performance iridium spark plug with an ultra-small center electrode to reduce voltage requirements and extend ignition-system life.

€11.61 €19.35

Spark Plug — Thread reach 19.1 mm, Thread size 14 mm, Spark gap 1.1 mm, BPR5ES-11

-€2.55

NGK SPARK PLUGS Spark Plug — Thread reach 19.1 mm, Thread size 14 mm, Spark...

Reliable spark plug with corrosion protection, superior insulator strength, and enhanced heat removal.

€2.75 €5.30

Iridium IX Spark Plug — Thread reach 19.1 mm, Thread size 14 mm, Spark gap 1.1 mm

-€7.93

NGK SPARK PLUGS Iridium IX Spark Plug — Thread reach 19.1 mm, Thread size 14...

Premium iridium spark plug offering improved ignition efficiency, reduced voltage requirement, and enhanced anti-corrosion plating.

€11.77 €19.70

-€2.61

NGK SPARK PLUGS Spark Plug — BPR6ES-11, 14 mm thread, 12.7 mm reach, 1.1 mm gap

Anti-corrosion plated spark plug with superior heat transfer, triple seals, and corrugated ribs for reliable ignition.

€2.64 €5.25

Iridium IX Spark Plug — BPR6HIX, 14 mm thread, 12.7 mm reach, 20.6 mm hex

-€10.82

NGK SPARK PLUGS Iridium IX Spark Plug — BPR6HIX, 14 mm thread, 12.7 mm reach,...

High-performance iridium spark plug with an ultra-small center electrode for lower firing voltage and improved ignition system longevity.

€11.58 €22.40

$Spark Plug — 14 mm thread, 12.7 mm reach, 20.6 mm hex (13/16\"), Heat range 6, 0.7 mm gap$

-€4.59

NGK SPARK PLUGS Spark Plug — 14 mm thread, 12.7 mm reach, 20.6 mm hex...

Durable spark plug with trivalent plating, alumina silicate insulator, triple seals, corrugated ribs and copper core for reliable ignition.

€3.61 €8.20

Spark Plug — BPR6HS-10, thread 14 mm, reach 20.6 mm, gap 1 mm, heat range 6

-€2.18

NGK SPARK PLUGS Spark Plug — BPR6HS-10, thread 14 mm, reach 20.6 mm, gap 1 mm,...

Trivalent plating, alumina silicate insulator, triple seals, corrugated ribs, and a copper core for effective heat removal.

€3.32 €5.50

Iridium IX Spark Plug — 19.1 mm reach, 10 mm thread, 0.8 mm gap, CR9EIX

-€11.69

NGK SPARK PLUGS Iridium IX Spark Plug — 19.1 mm reach, 10 mm thread, 0.8 mm...

Advanced iridium electrode and ultra-small center electrode reduce voltage needs and extend ignition life. Enhanced anti-corrosion metal shell plating. Sold each.

€10.81 €22.50

-€5.40

Spark Plug — Thread reach 19.1 mm, Thread size 12 mm, Hex 16...

Reliable replacement spark plug with ceramic insulator, triple seals, corrugated ribs and copper core for improved heat control.

€4.60 €10.00

Iridium IX Spark Plug — 19.1 mm reach, 12 mm thread, 0.8 mm gap, 16 mm hex, Iridium tip

-€9.42

NGK SPARK PLUGS Iridium IX Spark Plug — 19.1 mm reach, 12 mm thread, 0.8 mm...

High-performance Iridium IX spark plug engineered for improved ignition efficiency, reduced voltage requirements, and enhanced corrosion protection.

€11.38 €20.80

Spark Plug — 12 mm, 19.1 mm reach, 16 mm hex, 0.7 mm gap, heat range 8

-€5.86

NGK SPARK PLUGS Spark Plug — 12 mm, 19.1 mm reach, 16 mm hex, 0.7 mm gap, heat...

High-durability spark plug with superior corrosion protection, a strong ceramic insulator, triple seals, corrugated ribs, and a copper core for reliable heat dissipation.

€5.14 €11.00

-€9.98

DRAG SPECIALTIES Chrome Spark Plug Holder — Chrome, fits Big Twin models

Plated replica spark plug holder for early Panheads; clamps to rear frame tube on all Big Twin models and stores two extra plugs.

€21.39 €31.37

Iridium IX Spark Plug — 12 mm thread, 19.1 mm reach, 16 mm hex, 0.8 mm gap

-€9.65

NGK SPARK PLUGS Iridium IX Spark Plug — 12 mm thread, 19.1 mm reach, 16 mm...

Iridium electrode design reduces voltage needs and extends ignition system life.

€13.58 €23.23

-€1.72

NGK SPARK PLUGS Spark Plug — BPR7ES-11, 14 mm x 19.1 mm, 0.8 mm gap, Heat Range 7

Superior anti-corrosion plating and pure ceramic insulator for better heat transfer; triple seals and corrugated ribs prevent leakage and flashover; copper core for heat removal.

€2.98 €4.70

-€2.73

DRAG SPECIALTIES Spark Plugs — 12 mm thread, 19.1 mm reach, 16 mm hex, BPR4ES-11

Black ceramic-body spark plugs with a 95% alumina insulator, multi-rib flashover protection, nickel-plated housing, and copper core electrode.

€5.85 €8.58

Iridium Spark Plugs — CR9EIX, 11.1 mm reach, 10 mm thread, heat range 6

-€7.19
Out of Stock

DRAG SPECIALTIES Iridium Spark Plugs — CR9EIX, 11.1 mm reach, 10 mm thread,...

High-performance iridium plugs deliver a hotter spark and longer service life. Distinctive black ceramic insulator with red lettering and a corrosion-protected shell.

€15.41 €22.60

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Engine Oil

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Oil Filters

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Brake cleaner &...

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