S&S Cycle 2017+ M8 Models 4.250in Bore 4.840in Big Bore Cylinder Set - Black Granite w/ Highlight
Why this price?
$977.95 is MSRP, the lowest price S&S Cycle lets us list it at. Additionally, Pro members get $78.24 back on this part.
$977.95 − $78.24 = $899.71
Special Order
This part is still available to order. Once you place your order, we’ll submit it directly to S&S Cycle, and they’ll ship it straight to you.
Delivery times can vary depending on the brand, so we can’t guarantee an exact arrival date. What we can guarantee is that we’ll stay on top of your order, monitor its progress, and keep you updated until it reaches your door.
Special-order items are typically not kept in stock by most retailers. By ordering through us, your order is placed directly with S&S Cycle, assuring you get the part as quickly as possible.
Want to get an estimated delivery timeframe before ordering? Contact us through our contact page, and we’ll be happy to find out for you.
Not sure it fits? Read our tips.
Fitment tips
Fitment can come down to more than year, make and model. Sometimes the sub-model decides, so start with the fitment table below.
- Drive type. If your car is all-wheel drive, make sure the part is for all-wheel drive, not rear-wheel drive.
- Engine size. For engine parts, make sure the engine size on the product matches your engine.
- Transmission. Manual and automatic cars often take different parts.
- Body style. Sedan or hatch, two-door or four-door, cab and bed length on trucks.
Manufacturer data can sometimes have imperfections. Still not sure? We are happy to help.
Send us a message and we will confirm the fit.
Couldn't load pickup availability
We recommend using S&S Cycle Head Bolts for M8, part number 900-1006 for all big bore applications
- We recommend using S&S Cycle Head Bolts for M8, part number 900-1006 for all big bore applications
- Highlighted Fins
- Black Granite
- 4.250" bore
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2018-2020 | Harley-Davidson | FLDE Deluxe 107 | Base |
| 2018-2021 | Harley-Davidson | FLFBS Fat Boy 114 | Base |
| 2018-2021 | Harley-Davidson | FLHCS Heritage Classic 114 | Base |
| 2017-2021 | Harley-Davidson | FLHR Road King | Base |
| 2017-2021 | Harley-Davidson | FLHRXS Road King Special | Base |
| 2017-2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | Base |
| 2017-2021 | Harley-Davidson | FLHTK Ultra Limited | Base |
| 2017-2019 | Harley-Davidson | FLHTKL Ultra Limited Low | Base |
| 2017-2021 | Harley-Davidson | FLHX Street Glide | Base |
| 2017-2021 | Harley-Davidson | FLHXS Street Glide Special | Base |
| 2017-2019 | Harley-Davidson | FLTRU Road Glide Ultra | Base |
| 2017-2021 | Harley-Davidson | FLTRX Road Glide | Base |
| 2018-2020 | Harley-Davidson | FXBRS Breakout 114 | Base |
| 2018-2021 | Harley-Davidson | FXFBS Fat Bob 114 | Base |
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