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181000+ Parts & Accessories
Our catalogue has grown extensively over the years and we now source a huge range of parts and accessories from a number of distributors from round the world.

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We're more than happy to have customers order which ever way they prefer. If you'd like to discuss anything over the phone prior to ordering we'd be delighted to help you.

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Simple Exchange Or Refund Policy 
We know when customers receive their orders there is always the possibility of needing to exchange or return items for a refund. Rest assured if you need to, we make it simple. See T&C's for more details.

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Price Match Promise 
We offer a price match promise on all items we sell. Use the "Seen it cheaper?" option found on the product pages to request a price match.

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ARH Custom Custom Motorcycle Parts and Accessories ARH Custom Custom Motorcycle Parts and Accessories

Spark Plug NGK DR8ES (5423)

  • Spark Plug NGK DR8ES (5423)vehicle specific
$4.79
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Seen it cheaper elsewhere?

Our Price Promise

Seen this item cheaper on another website? Let us try and match it!

We do our upmost to keep our prices competitive but due to the number of items we sell, you may occasionally find a better price advertised elsewhere. If you have seen a cheaper price on another website let us know by filling in this form. If we’re able to match the price, we’ll look to respond via email with a unique discount code within 1 hour (during working hours) so you're not waiting too long.

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Please note:

  1. The item must be identical to the one on our website listing and must show as being available.
  2. Price match applies to items sourced from authorised UK retailers only, not private sellers.
  3. Prices will only be matched from UK based websites with prices in GBP.
  4. ARH Custom reserve the right to price match only one of each item per customer.
  5. ARH Custom reserve the right to withdraw the price match policy at any time.

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Estimated shipping date between 26 Jun and 1 Jul.

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 26 Jun and 1 Jul.

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Spark Plug

  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
  • Triple seals prevent leakage
  • Corrugated ribs prevent flashover
  • Copper core aids in heat removal

Specifications +

Heat Range: 8
Hex Size: 19 mm (3/4")
Units: Each
Spark Gap Imperial: 0.028"
Spark Gap Metric: 0.7 mm
Style: DR8ES
Spark Gap: 0,7 mm (0,028")
Ground Electrode Configuration: Single
Center Electrode Type: Standard
Product Name: Spark Plug
Thread Reach: 19,1 mm (3/4")
Model: Standard
Thread Size: 12 mm
Center Electrode Projection: Non-Projected
Terminal Configuration: Threaded Stud
Ground Electrode Shape: Standard
Type: Resistor Type
Electrical Resistance: 5k Ohms
Electrode Tip Material: Nickel Alloy

Part numbers +

  • DR8ES

Fitment +

    AJP
  • SPR 125 Enduro: 2023-2024
  • SPR 125 Supermoto: 2023
  • BIMOTA
  • HB2 900: 1982-1983
  • HB3 1100: 1983-1985
  • HONDA
  • CB 1100 F Super Bol DOr: 1983-1984
  • CB 1100 F Super Sport: 1983-1984
  • CB 1100 R: 1981-1983
  • CB 125 J (S: 1975-1979
  • CB 250 N Euro: 1978-1981
  • CB 250 ND Euro: 1982-1983
  • CB 250 RS: 1980-1981
  • CB 250 RSZ: 1982-1984
  • CB 350 F Four: 1972-1975
  • CB 400 A Hawk Hondamatic: 1978
  • CB 400 A Twin Automatic: 1979
  • CB 400 F Four: 1974-1977
  • CB 400 N: 1978-1985
  • CB 400 T: 1977-1979
  • CB 400 T I Spokewheel/Drumbrake: 1978-1979
  • CB 450 N: 1985-1986
  • CB 450 S: 1986-1989
  • CB 750 C Custom: 1981-1983
  • CB 750 F Bol Dor: 1980-1982
  • CB 750 F Super Sport: 1980-1982
  • CB 750 F Supersport: 1975-1978
  • CB 750 F1 Supersport: 1974-1975
  • CB 750 F2 Bol Dor: 1982-1983
  • CB 750 F2 Seven Fifty: 1992-2003
  • CB 750 F2 Supersport: 1976-1977
  • CB 750 K Four: 1969-1978
  • CB 750 K Four K: 1978-1982
  • CB 750 Nighthawk: 1991-2003
  • CB 900 C Custom: 1982
  • CB 900 F Bol Dor: 1979-1983
  • CB 900 F Hornet: 2002-2006
  • CB 900 F Super Sport: 1981
  • CB 900 F2 Bol Dor: 1981-1983
  • CBX 550 F: 1982-1984
  • CBX 550 F2: 1982-1984
  • CG 125 BR: 1988-1991
  • CM 400 T: 1979-1981
  • CM 400 T Custom: 1982-1984
  • FT 500: 1982-1983
  • NX 125: 1991-1997
  • XR 200 R: 1982-1983
  • KAWASAKI
  • BJ 250 Estrella: 1994-1999
  • EN 450 LTD 454: 1985-1990
  • EN 500 Vulcan 500: 1990-1993
  • GPX 600 R Ninja: 1988-1999
  • GPX 750 R: 1986-1990
  • GPZ 1000 RX Ninja: 1986-1988
  • GPZ 500 S: 1987-1993
  • GPZ 750 R Ninja: 1984-1987
  • GPZ 900 R Ninja: 1984-1994
  • GTR 1000: 1992-1995
  • KLF 185 2X4 Bayou: 1985-1988
  • KLF 220 2X4 Bayou: 1989-2002
  • KLF 250 2X4 Bayou: 2003-2011
  • KLR 600: 1984
  • KZ 250 LTD: 1983-1985
  • KZ 400 LTD: 1979-1981
  • KZ 550 LTD: 1980-1983
  • Z 250: 1981-1982
  • Z 550: 1981-1982
  • Z 550 F: 1982-1984
  • Z 550 GT GT: 1983-1989
  • Z 550 LTD: 1980-1983
  • ZL 1000 Eliminator: 1987-1988
  • ZL 600 Eliminator: 1986-1988
  • ZR 750 Zephyr: 1991-1994
  • SUZUKI
  • GS 550 E: 1983-1985
  • GS 550 EF: 1985-1986
  • GS 550 ES: 1983-1986
  • GSX 1100 E: 1984-1986
  • GSX 1100 EF: 1984-1986
  • GSX 1100 ES: 1984-1986
  • GSX 250: 1980-1981
  • GSX 250 E: 1980-1983
  • GSX 250 EG: 1980
  • GSX 550 E: 1983-1987
  • GSX 550 EF: 1984-1987
  • GSX 550 ES: 1983-1987
  • GSX 600 F: 1988-1995
  • GSX 600 F Katana: 1988-1995
  • GSX-R 750: 1985-1987
  • GSX-R 750 R Special Edition: 1986
  • GSX-R 750 X: 2005

Delivery +

All orders are shipped with either DPD, Fedex, UPS, DHL or Royal Mail. The courier used to ship your order is determined by ourselves once your order has been placed and normally depends on the size, volume and the shipping destination. The selected courier for your order will be quoted in your order confirmation email which you will receive once we have processed your order. Once your order has been shipped, this will be confirmed via email and you will receive a tracking number so you can keep an eye on your shipments progress.

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