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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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S&S Cycle Big Bore Conversion Cylinder & Piston Kit From 114 Inch To 128 Inch In Black Without Highlights For Harley Davidson 2017-2023 Touring M8 & 2018-2023 Softail M8 Models (910-0685)
S&S Cycle Big Bore Conversion Cylinder & Piston Kit From 114 Inch To 128 Inch In Black Without Highlights For Harley Davidson 2017-2023 Touring M8 & 2018-2023 Softail M8 Models (910-0685)
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.
Available in both highlighted and non highlighted versions
114 to 128" big bore kit
Wrinkle black finish
Highlighted Fins
Bolt on kit. No Machining Required
includes gaskets and hardware required for installation
4.250" bore
Forged Pistons
11:1 compression ratio
***S&S recommend using S&S Cycle Head Bolts for M8, part number 900-1006 for all big bore applications.
Specifications +
Product Name: Cylinder Kit Base Colour: Black Bore Size: 4,250" Units: Kit Style: Big Bore Compression Ratio: 11:1 Displacement: 128" Compression Ratio Imperial: 11.0:1 Stroke Length: 4-1/2" Material: Iron Colour/Finish: Black
Part numbers +
09310835
0931-0835
910-0685
574119
782779
Fitment +
HARLEY DAVIDSON
Softail Deluxe - FLDE: 2018-2020
Softail Fat Boy 114 - FLFBS: 2018-2024
Softail Fat Boy - FLFB: 2018-2020
Softail Heritage Classic 114 - FLHCS: 2018-2024
Softail Heritage Classic - FLHC: 2018-2022
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: 2017-2023
Tri Glide Ultra Classic CVO/SE - FLHTCUTGSE: 2020-2022
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 Sport Glide - FLSB: 2018-2022
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 - FXBB: 2018-2022
Softail Street Bob 114 - FXBBS: 2021-2024
Softail Breakout - FXBR: 2018-2019
Softail Breakout 114 - FXBRS: 2018-2022
FXDR 114 - FXDRS: 2019-2020
Softail Fat Bob - FXFB: 2018-2019, 2021
Softail Fat Bob 114 - FXFBS: 2018-2023
Softail Low Rider - FXLR: 2018-2020
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.
Estimated shipping date between 23 Dec and 30 Dec.
