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We offer shipping to most countries. Simply select your country once you have added items to your basket and you'll be shown an instant price for shipping without having to advance in to the check out process.

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200,000+ 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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Order Online Or By Phone 
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
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Spark Plugs For Harley Davidson & Custom Motorcycles

Ensure reliable ignition and engine performance with our selection of spark plugs for Harley Davidson. We offer a variety of options, including copper, platinum, and iridium Harley spark plugs for Twin Cam, Sportster, Shovelhead, V-Rod, Buell, and Evo Big Twin engines. Order now at ARH Custom and enjoy worldwide shipping and a price match promise.
Showing 1 to 43 of 43 products in this section.
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Drag Specialties Performance Spark Plugs For 1999-2017 Twin Cam And 1986-2020 XL Models (E18-6655SDS)Drag Specialties Performance Spark Plugs For 1999-2017 Twin Cam And 1986-2020 XL Models (E18-6655SDS)

UK stock

In stock

All orders are shipped out of our UK premises. Estimated shipping date 19 May.

×

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£8.71 inc.VAT
Champion RA8HC Copper Plus Spark Plugs For 1999-2017 Twin Cam, 1986-2022 XL Sportster (Excluding XR1200) Models (Pair) (CCH810)Champion RA8HC Copper Plus Spark Plugs For 1999-2017 Twin Cam, 1986-2022 XL Sportster (Excluding XR1200) Models (Pair) (CCH810)

UK stock

In stock

All orders are shipped out of our UK premises. Estimated shipping date 19 May.

×

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£7.44 inc.VAT
NGK DCPR7EIX Iridium IX Spark Plug For 1999-2017 Twin Cam & 1986-2022 XL Sportster Models (Sold Singly) (ARM994339)NGK DCPR7EIX Iridium IX Spark Plug For 1999-2017 Twin Cam & 1986-2022 XL Sportster Models (Sold Singly) (ARM994339)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£19.58 inc.VAT
NGK DCPR7E Copper Spark Plug For 1999-2017 Twin Cam 1986-2022 XL Sportster Models (Sold Singly) (ARM750339)NGK DCPR7E Copper Spark Plug For 1999-2017 Twin Cam 1986-2022 XL Sportster Models (Sold Singly) (ARM750339)

UK stock

In stock

All orders are shipped out of our UK premises. Estimated shipping date 19 May.

×

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£7.12 inc.VAT
NGK BPR5ES-11 Copper Spark Plugs For 1984-1999 Evo Big Twin, 1975-Early 1982 FL Shovel & 1975-Early 1978 FX Shovel Models (Sold Singly) (ARM760339)NGK BPR5ES-11 Copper Spark Plugs For 1984-1999 Evo Big Twin, 1975-Early 1982 FL Shovel & 1975-Early 1978 FX Shovel Models (Sold Singly) (ARM760339)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£4.31 inc.VAT
NGK B6-L Copper Spark Plugs For 1957-1978 XL Sportster Models (Sold Singly) (ARM555339)NGK B6-L Copper Spark Plugs For 1957-1978 XL Sportster Models (Sold Singly) (ARM555339)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

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£4.08 inc.VAT
Accel Cyclelite Platinum Spark Plugs For 1999-2017 Twin Cam And 1986-2023 XL Models (Y2418P)Accel Cyclelite Platinum Spark Plugs For 1999-2017 Twin Cam And 1986-2023 XL Models (Y2418P)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

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£47.72 inc.VAT
Accel U-Groove Spark Plugs For 1999-2017 Twin Cam And 1986-2023 XL Models (2418)Accel U-Groove Spark Plugs For 1999-2017 Twin Cam And 1986-2023 XL Models (2418)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

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£31.97 inc.VAT
NGK CR9EB Copper Spark Plugs For 2017-2023 M8, 2015-2020 XG500/750 Street & 2017-2020 XG750A Models (Sold Singly) (ARM221339)NGK CR9EB Copper Spark Plugs For 2017-2023 M8, 2015-2020 XG500/750 Street & 2017-2020 XG750A Models (Sold Singly) (ARM221339)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£10.73 inc.VAT
Accel U-Groove Spark Plugs For 1978-1982 FL, 1978-1979 FX & 1984-1999 Evo Twin Cam (2410A)Accel U-Groove Spark Plugs For 1978-1982 FL, 1978-1979 FX & 1984-1999 Evo Twin Cam (2410A)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

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£31.97 inc.VAT
Champion Spark Plugs P-RG6HCC, Milwaukee Eight For 2017-2023 Touring, 2018-2023 Softail, 2015-2020 Street Models (P-RG6HCC/T10)Champion Spark Plugs P-RG6HCC, Milwaukee Eight For 2017-2023 Touring, 2018-2023 Softail, 2015-2020 Street Models (P-RG6HCC/T10)

UK stock

In stock

All orders are shipped out of our UK premises. Estimated shipping date 19 May.

×

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£4.03 inc.VAT
NGK ZGR5C Copper Spark Plugs For Late 1982-1984 FL Shovel & Late 1978-1984 FX Shovel Models (Sold Singly) (ARM155339)NGK ZGR5C Copper Spark Plugs For Late 1982-1984 FL Shovel & Late 1978-1984 FX Shovel Models (Sold Singly) (ARM155339)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

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£5.20 inc.VAT
Champion Sparkplug, Copper Plus, 14mm Threaded, long Reach For Late 1979-1980 B.T. (Sold Each) (CCH404)Champion Sparkplug, Copper Plus, 14mm Threaded, long Reach For Late 1979-1980 B.T. (Sold Each) (CCH404)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£2.54 inc.VAT
Drag Specialties Performance Spark Plugs For 2002-2017 V-Rod Models (E18-6656SDS)Drag Specialties Performance Spark Plugs For 2002-2017 V-Rod Models (E18-6656SDS)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£8.71 inc.VAT
NGK BPR6HS-10 Copper Spark Plugs For 1979-1985 XL Sportster Models (Sold Singly) (ARM455339)NGK BPR6HS-10 Copper Spark Plugs For 1979-1985 XL Sportster Models (Sold Singly) (ARM455339)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£4.82 inc.VAT
NGK CR9EIX Iridium IX Spark Plugs For 2017-2023 M8, 2015-2020 XG500/750 Street, 2017-2020 XG750A, 2008-2010 Buell 1124R & 2009-2010 1124CR Cafe Racer Models (Sold Singly) (ARM074339)NGK CR9EIX Iridium IX Spark Plugs For 2017-2023 M8, 2015-2020 XG500/750 Street, 2017-2020 XG750A, 2008-2010 Buell 1124R & 2009-2010 1124CR Cafe Racer Models (Sold Singly) (ARM074339)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£19.58 inc.VAT
Champion N12YC Copper Plus Spark Plugs (Pair) For Late 1978-Early 1982 FL, Late 1978-1979 FX, 1984-1999 Big Twin (Excluding TC), 1975-Early 1978 FL, FX Models (N12YC)Champion N12YC Copper Plus Spark Plugs (Pair) For Late 1978-Early 1982 FL, Late 1978-1979 FX, 1984-1999 Big Twin (Excluding TC), 1975-Early 1978 FL, FX Models (N12YC)

UK stock

In stock

All orders are shipped out of our UK premises. Estimated shipping date 19 May.

×

£7.06 inc.VAT
NGK DCPR8EIX Iridium IX Spark Plugs For 2002-2017 V-Rod & 1989-2002 Buell Models (Sold Singly) (ARM715339)NGK DCPR8EIX Iridium IX Spark Plugs For 2002-2017 V-Rod & 1989-2002 Buell Models (Sold Singly) (ARM715339)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£19.58 inc.VAT
Drag Specialties Performance (OEM:Hot) Spark Plugs For 1984-1999 Evolution Big Twin Models (E18-6657SDS)Drag Specialties Performance (OEM:Hot) Spark Plugs For 1984-1999 Evolution Big Twin Models (E18-6657SDS)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£8.71 inc.VAT
Champion Copper Plus Spark Plugs H8C For 1954-1956 KH; 1957-1985 XL Models (ARM806139)Champion Copper Plus Spark Plugs H8C For 1954-1956 KH; 1957-1985 XL Models (ARM806139)

out of stock
£3.10 inc.VAT
Drag Specialties Performance Spark Plugs For 1984-1999 Evolution Big Twin Models (E18-6662SDS)Drag Specialties Performance Spark Plugs For 1984-1999 Evolution Big Twin Models (E18-6662SDS)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

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£8.71 inc.VAT
Drag Specialties Performance (OEM:Cold) Spark Plugs For 1984-1999 Evolution Big Twin Models (E18-6663SDS)Drag Specialties Performance (OEM:Cold) Spark Plugs For 1984-1999 Evolution Big Twin Models (E18-6663SDS)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

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£8.08 inc.VAT
NGK BPR5EIX-11 Iridium IX Spark Plugs For 1984-1999 Evo Big Twin, 1975-Early 1982 FL Shovel & 1975-Early 1978 FX Shovel Models (Sold Singly) (ARM764339)NGK BPR5EIX-11 Iridium IX Spark Plugs For 1984-1999 Evo Big Twin, 1975-Early 1982 FL Shovel & 1975-Early 1978 FX Shovel Models (Sold Singly) (ARM764339)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£19.58 inc.VAT
Accel Cyclelite Platinum Spark Plugs For 1978-1982 FL, 1978-1979 FX & 1984-1999 Evo Twin Cam (Y2410P)Accel Cyclelite Platinum Spark Plugs For 1978-1982 FL, 1978-1979 FX & 1984-1999 Evo Twin Cam (Y2410P)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

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£50.27 inc.VAT
OEM Screamin Eagle Performance Spark Plugs (Pair) For 1999-2017 Twin Cam, 1986-2022 XL With Standard Cylinder Heads (Excl. XR1200) (31600106)OEM Screamin Eagle Performance Spark Plugs (Pair) For 1999-2017 Twin Cam, 1986-2022 XL With Standard Cylinder Heads (Excl. XR1200) (31600106)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£32.29 inc.VAT
OEM Spark Plug 6R12 For 1999-2017 Twin Cam, 1986-2022 XL (Excl. XR1200) Models (32362-04A)OEM Spark Plug 6R12 For 1999-2017 Twin Cam, 1986-2022 XL (Excl. XR1200) Models (32362-04A)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£10.42 inc.VAT
NGK BPR6HIX Iridium IX Spark Plugs For 1979-1985 XL Sportster Models (Sold Singly) (ARM574339)NGK BPR6HIX Iridium IX Spark Plugs For 1979-1985 XL Sportster Models (Sold Singly) (ARM574339)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£19.58 inc.VAT
OEM Screamin Eagle Performance Spark Plugs (Pair) For 2017-2024 M8 Softail, Touring & 2015-2020 XG With Standard Cylinder Heads (Excl. XR1200) (31600085)OEM Screamin Eagle Performance Spark Plugs (Pair) For 2017-2024 M8 Softail, Touring & 2015-2020 XG With Standard Cylinder Heads (Excl. XR1200) (31600085)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£29.76 inc.VAT
OEM Gold Spark Plug 6R12G For 1999-2017 Twin Cam, 1986-2022 XL (Excl. XR1200) Models (32365-04)OEM Gold Spark Plug 6R12G For 1999-2017 Twin Cam, 1986-2022 XL (Excl. XR1200) Models (32365-04)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

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£11.77 inc.VAT
OEM Screamin Eagle Performance Spark Plugs (Pair) For 1999-2017 Twin Cam, 1986-2022 XL With SE Cylinder Heads (Excl. XR1200) (31600105)OEM Screamin Eagle Performance Spark Plugs (Pair) For 1999-2017 Twin Cam, 1986-2022 XL With SE Cylinder Heads (Excl. XR1200) (31600105)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£36.86 inc.VAT
NGK CR9EKB Iridium IX Spark Plugs For 2008-2010 Buell 1124R & 2009-2010 1124 CR Cafe Racer Models (Sold Singly) (ARM779239)NGK CR9EKB Iridium IX Spark Plugs For 2008-2010 Buell 1124R & 2009-2010 1124 CR Cafe Racer Models (Sold Singly) (ARM779239)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£15.60 inc.VAT
NGK DCPR8E Copper Spark Plugs For 2002-2017 V-Rod & 1989-2002 Buell Models (Sold Singly) (ARM460339)NGK DCPR8E Copper Spark Plugs For 2002-2017 V-Rod & 1989-2002 Buell Models (Sold Singly) (ARM460339)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£8.22 inc.VAT
OEM Gold Spark Plug 5R6AG For 1978-1984 Shovelhead & 1984-1999 Twin Cam Evo 1340 Models (32367-04)OEM Gold Spark Plug 5R6AG For 1978-1984 Shovelhead & 1984-1999 Twin Cam Evo 1340 Models (32367-04)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£14.16 inc.VAT
OEM Screamin Eagle Performance Spark Plugs (Pair) For 2021-2024 RH1250S Sportster S, 2022-2024 RH975 Nightster, 2021-2024 RA1250 Pan American / Special Models (31600180)OEM Screamin Eagle Performance Spark Plugs (Pair) For 2021-2024 RH1250S Sportster S, 2022-2024 RH975 Nightster, 2021-2024 RA1250 Pan American / Special Models (31600180)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£40.16 inc.VAT
OEM Spark Plug 10R12A For 2002-2017 V-Rod, 1996-2007 Buell Models (32335-04)OEM Spark Plug 10R12A For 2002-2017 V-Rod, 1996-2007 Buell Models (32335-04)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£10.42 inc.VAT
OEM Spark Plug 10R12X For 2008-2012 XR 1200, 2008-2010 Buell XB Models (27794-08)OEM Spark Plug 10R12X For 2008-2012 XR 1200, 2008-2010 Buell XB Models (27794-08)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£12.29 inc.VAT
OEM Spark Plug 3-4 For 1948-1974 FLH, FX Models (32337-04)OEM Spark Plug 3-4 For 1948-1974 FLH, FX Models (32337-04)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£10.42 inc.VAT
OEM Spark Plug 4R For 1971-1985 XL, XLCH, XLS Models (32336-04)OEM Spark Plug 4R For 1971-1985 XL, XLCH, XLS Models (32336-04)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£8.68 inc.VAT
OEM Spark Plug 4R5 For 1954-1985 XL Sportster Models (32338-04)OEM Spark Plug 4R5 For 1954-1985 XL Sportster Models (32338-04)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£10.42 inc.VAT
OEM Spark Plug 5R6A For 1978-1984 Shovelhead & 1984-1999 Twin Cam Evo 1340 Models (32342-04)OEM Spark Plug 5R6A For 1978-1984 Shovelhead & 1984-1999 Twin Cam Evo 1340 Models (32342-04)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£8.68 inc.VAT
OEM Spark Plug 6R10 For 2017-2024 M8 Softail, Touring & 2015-2020 XG Models (31600012)OEM Spark Plug 6R10 For 2017-2024 M8 Softail, Touring & 2015-2020 XG Models (31600012)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£10.16 inc.VAT
OEM Spark Plug For 2021-2024 RH1250S Sportster S, 2022-2024 RH975 Nightster, 2021-2024 RA1250 Pan American / Special Models (31600190)OEM Spark Plug For 2021-2024 RH1250S Sportster S, 2022-2024 RH975 Nightster, 2021-2024 RA1250 Pan American / Special Models (31600190)

EU stock

Usually ships in 3-6 business days

All orders are shipped out of our UK premises. Estimated shipping date between 21 May and 27 May.

×

£22.25 inc.VAT
Champion RAX94YC Copper Plus Spark Plugs For 2002-2017 V-Rod, 1996-2010 All Buell Models (Pair) (ARM116139)Champion RAX94YC Copper Plus Spark Plugs For 2002-2017 V-Rod, 1996-2010 All Buell Models (Pair) (ARM116139)

UK stock

In stock

All orders are shipped out of our UK premises. Estimated shipping date 19 May.

×

£17.64 inc.VAT
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