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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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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

S&S Cycle 128 CI Power Package In Black Granite With Highlighted Fins For 2017-2023 M8 114 & 117 Oil Cooled Gear Drive Cam Models (310-1110A)

  • S&S Cycle 128 CI Power Package In Black Granite With Highlighted Fins For 2017-2023 M8 114 & 117 Oil Cooled Gear Drive Cam Models (310-1110A)
£3,324.11 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 2 Jan and 7 Jan.

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 2 Jan and 7 Jan.

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Instructions
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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Big Bore Kit:

  • 114" to 128" Big Bore Kit for Stock Stroke Flywheel
  • Wrinkle Black Finish
  • Highlighted Fins
  • No case machining required
  • 4.250" bore
  • Forged Pistons
  • 11.1:1 Compression Ratio

Oil Pump/Cam Plate:

  • Precision Machined from Billet Aluminum
  • Blue Anodized Finish
  • Passage Plugs Removeable for servicing
  • Independant Scavenge Sections for Flywheel Cavity and Cam Chest
  • Debris Screens in both scavenge pickups
  • Magnet in Cam Chest to help to stop debris from entering oil pump
  • Increased Flow Capacity on both Feed and Scavenge side
  • Adjustable Pressure Relief Valve is adjustable with unit installed in engine

Pushrods:

  • Quickee Pushrods w/Chrome Pushrod Tubes

Tappets:

  • S&S Precision Tappets

Tappet Cuffs:

  • Hard Anodized Black Coating
  • Billet Aluminum Construction
  • Stronger than Stock Material eliminates Distortion
  • Improve tappet stability in high lift and high rpm situations

Cam:

  • S&S 550 Cam- Designed for Big Bore Applications
  • Chain Drive

Valve Springs:

  • Work well with cams up to .605 lift
  • High Performance Conical Single Wire Spring
  • Includes all gaskets, bearings, and hardware required for installation
  • MADE IN USA

Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes

128" Package for ’17–’22 M8 models with 114" & 117" engines

Specifications +

Bore Size: 4,250"
Cam Drive Type: Gear
Compression Ratio: 11,1:1
Units: Kit
Type: Engine
Base Finish: Chrome
Product Name: Power Package
Color/Finish: Black Granite| Highlighted Fins
Cooling System: Oil Cooled

Videos +


Part numbers +

  • 09040074
  • 310-1110A
  • 0904-0074

Resources +

Fitment +

    HARLEY DAVIDSON
  • Softail Fat Boy 114 - FLFBS: 2018-2024
  • Softail Heritage Classic 114 - FLHCS: 2018-2024
  • Electra Glide Highway King - FLHFB: 2023
  • Road King - FLHR: 2017-2022
  • Road King Classic - FLHRC: 2017-2019
  • Road King Special - FLHRXS: 2017-2024
  • Electra Glide Standard - FLHT: 2019-2022
  • Electra Glide Ultra Classic - FLHTCU: 2019
  • Tri Glide Ultra Classic - FLHTCUTG: 2024
  • Electra Glide Revival 114 - FLHT: 2021
  • Street Glide - FLHX: 2017-2023
  • Street Glide Special - FLHXS: 2017-2023
  • Street Glide CVO/SE - FLHXSE: 2024
  • Street Glide ST - FLHXST: 2022-2023
  • Freewheeler - FLRT: 2017-2024
  • Softail Slim - FLSL: 2018-2021
  • Road Glide 3 - FLTRT: 2023-2024
  • Road Glide - FLTRX: 2017-2023
  • Road Glide Special - FLTRXS: 2017-2023
  • Road Glide CVO/SE - FLTRXSE: 2024
  • Softail Street Bob 114 - FXBBS: 2021-2024
  • Softail Breakout 114 - FXBRS: 2018-2022
  • FXDR 114 - FXDRS: 2019-2020
  • Softail Fat Bob 114 - FXFBS: 2018-2023
  • Softail Low Rider 114 - FXLRS: 2020-2021
  • Softail Low Rider ST - FXLRST: 2022-2023

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.

Doss Clutch & Brake Lever Pivot Pin Retaining Ring For 1982-2024 Softail, Dyna Touring, 1982-2003 Sportster & 2002-2005 V-Rod Models (11143)Doss Clutch & Brake Lever Pivot Pin Retaining Ring For 1982-2024 Softail, Dyna Touring, 1982-2003 Sportster & 2002-2005 V-Rod Models (11143)

UK stock

In stock

All orders are shipped out of our UK premises. Estimated shipping date 31 Dec.

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TrustPilot starTrustPilot starTrustPilot starTrustPilot starTrustPilot star (1)

£1.38 inc.VAT
Galfer Sintered Metal Street Compound (1370/1371) Front/Rear Brake Pads For Harley Davidson 2008-2023 Touring & Trike Models (FD369G1370)Galfer Sintered Metal Street Compound (1370/1371) Front/Rear Brake Pads For Harley Davidson 2008-2023 Touring & Trike Models (FD369G1370)

EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 2 Jan and 7 Jan.

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£29.52 inc.VAT
Rinehart 3.5 Inch HP35 Slip-On Mufflers In Black With Bronze End Caps & Badges For Harley Davidson 2018-2024 M8 Softail Fat Boy, Slim, Street Bob, Breakout, Standard & Low Rider Models (500-1241)Rinehart 3.5 Inch HP35 Slip-On Mufflers In Black With Bronze End Caps & Badges For Harley Davidson 2018-2024 M8 Softail Fat Boy, Slim, Street Bob, Breakout, Standard & Low Rider Models (500-1241)

EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 2 Jan and 7 Jan.

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£617.76 inc.VAT
Klock Werks 10 Inch Flare Windshield Dark Smoke For 2022-2024 Harley Davidson Softail Low Rider ST (KWW-02-0611-DS)Klock Werks 10 Inch Flare Windshield Dark Smoke For 2022-2024 Harley Davidson Softail Low Rider ST (KWW-02-0611-DS)

EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 2 Jan and 7 Jan.

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TrustPilot starTrustPilot starTrustPilot starTrustPilot starTrustPilot star (2)

£266.86 inc.VAT
Doss Forward Control Kit In Black Finish For 2018-2023 Softail Street Bob, Low Rider / S / ST / El Diablo And Standard Models (ARM722839)Doss Forward Control Kit In Black Finish For 2018-2023 Softail Street Bob, Low Rider / S / ST / El Diablo And Standard Models (ARM722839)

EU stock

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 2 Jan and 7 Jan.

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£405.83 inc.VAT

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