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200,000+ Parts & Accessories
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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 Cycles Power Package - 124 Inch Ci Oil Cooled, Chain Drive With Highlighted Fins And Chrome Pushrod Tubes For Harley Davidson 107 Inch M8 Models (310-1052B)

  • S&S Cycles Power Package - 124 Inch Ci Oil Cooled, Chain Drive With Highlighted Fins And Chrome Pushrod Tubes For Harley Davidson 107 Inch M8 Models (310-1052B)
$3,589.64
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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 22 Apr and 25 Apr.

Usually ships in 2-5 business days

All orders are shipped out of our UK premises. Estimated shipping date between 22 Apr and 25 Apr.

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Big Bore Kit:

  • 107" to 124" Big Bore Kit
  • Winkle Black Finish with Fin Highlighting
  • Bolt on kit. No case machining required
  • 4.250" bore
  • Forged Pistons
  • 11:1 Compression Ratio

Oil Pump/Cam Plate

  • Precision Machined from Billet Aluminium
  • Blue Anodized Finish
  • Passage Plugs Removeable for servicing
  • Independent 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
  • Chrome pushrod tubes

Tappets:

  • S&S Precision Tappets

Tappet Cuffs:

  • Hard Anodized Black Coating
  • Billet Aluminium 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
  • 550C Chain Drive

Valve Springs:

  • Work well with cams up to .605 lift
  • High Performance Conical Single Wire Spring

MADE IN USA

S&S does not recommend compression ratios higher than 10:1 for Tri Glide® or other three wheel models (including conversions) due to extra loads caused by the lugging nature of these bikes. Detonation and subsequent engine damage may result.

Specifications +

Units: Kit
Product Name: Power Package

Part numbers +

  • 09040088
  • 0904-0088
  • 310-1052B
  • 782783

Fitment +

    HARLEY DAVIDSON
  • Softail Deluxe - FLDE: 2018-2023
  • Softail Fat Boy - FLFB: 2018-2023
  • Softail Heritage Classic - FLHC: 2018-2023
  • Road King - FLHR: 2017-2023
  • Road King Classic - FLHRC: 2017-2023
  • Electra Glide Standard - FLHT: 2017-2023
  • Electra Glide Ultra Classic - FLHTCU: 2017-2023
  • Tri Glide Ultra Classic - FLHTCUTG: 2017-2023
  • Street Glide - FLHX: 2017-2023
  • Freewheeler - FLRT: 2017-2023
  • Softail Sport Glide - FLSB: 2018-2024
  • Softail Slim - FLSL: 2018-2023
  • Road Glide Ultra - FLTRU: 2017-2023
  • Road Glide Custom - FLTRX: 2017-2024
  • Softail Street Bob - FXBB: 2018-2023
  • Softail Breakout - FXBR: 2018-2023
  • Softail Fat Bob - FXFB: 2018-2023
  • Softail Low Rider - FXLR: 2018-2023
  • Softail Standard - FXST: 2018-2024

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.

Back In Stock Notification

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