Worldwide Shipping
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

Genuine James Cylinder Head Gasket Set 4-1/8 Inch MLS Final Crush .048 Inch For Evo & Twin Cam Style 4-1/8 Inch Bore S&S Engines (16787-4125-MLS)

  • Genuine James Cylinder Head Gasket Set 4-1/8 Inch MLS Final Crush .048 Inch For Evo & Twin Cam Style 4-1/8 Inch Bore S&S Engines (16787-4125-MLS)
£69.74 inc.VAT
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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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EU stock Estimated shipping date between 30 Dec and 3 Jan.

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 30 Dec and 3 Jan.

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About Shipping Costs

Shipping Cost

To view the total cost including shipping please advance to the basket and select your shipping country.

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Part numbers +

  • ARM661079
  • 970166

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.

Genuine James Evo Head & Base Gasket Set For 1984-1999 B.T. (Excluding TC); 1988-2022 XL1200 (Excluding 2008-2012 XR1200) Models (16770-84-A)Genuine James Evo Head & Base Gasket Set For 1984-1999 B.T. (Excluding TC); 1988-2022 XL1200 (Excluding 2008-2012 XR1200) Models (16770-84-A)

EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 30 Dec and 3 Jan.

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TrustPilot starTrustPilot starTrustPilot starTrustPilot starTrustPilot star (2)

£42.85 inc.VAT
Genuine James Head & Base Gasket Set 3-5/8 Inch .032 Inch & .016 Inch Thick For 1966-1984 B.T. With Big Bore Models (16770-66-S)Genuine James Head & Base Gasket Set 3-5/8 Inch .032 Inch & .016 Inch Thick For 1966-1984 B.T. With Big Bore Models (16770-66-S)

EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 30 Dec and 3 Jan.

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£34.55 inc.VAT
Genuine James Gasket Set Cylinder Base Metal Base, Silicone, .022 Inch Final Crush .020 Inch For 1963-1984 B.T. Models (16776-63-X1)Genuine James Gasket Set Cylinder Base Metal Base, Silicone, .022 Inch Final Crush .020 Inch For 1963-1984 B.T. Models (16776-63-X1)

EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 30 Dec and 3 Jan.

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£44.03 inc.VAT
Cometic Base Gasket .014 Inch RC 4.320 Big Bore For 2017-2023 Touring Models (C10194) (OEM 16500332)Cometic Base Gasket .014 Inch RC 4.320 Big Bore For 2017-2023 Touring Models (C10194) (OEM 16500332)

EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 30 Dec and 3 Jan.

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£30.13 inc.VAT
Genuine James Head & Base Gasket Set Multi Layer Steel Head & Metal Based Silicone Cylinder Base Gaskets For 1984-1999 Evo B.T. Models (16770-84-MLS)Genuine James Head & Base Gasket Set Multi Layer Steel Head & Metal Based Silicone Cylinder Base Gaskets For 1984-1999 Evo B.T. Models (16770-84-MLS)

EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 30 Dec and 3 Jan.

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TrustPilot starTrustPilot starTrustPilot starTrustPilot starTrustPilot star (1)

£69.74 inc.VAT

Back In Stock Notification

Send us your email and we'll notify know when this item is available.


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Shipping Cost

To view the total cost including shipping please advance to the basket and select your shipping country.

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