S&S Cycle 2017+ M8 Models 1.640 To 1 Ration Forged Roller Rocker Arms
S&S engineers designed stronger, more durable components that will help you get the most out of your M8 and increase the longevity of your valvetrain components.
- Rocker geometry is better suited to high lift cams and a must have for cams with .550 in. or greater lift
- Rollers eliminate thrusting on valves for decreased wear on the valve train
- Designed using Finite Element Analysis (FEA)
- Forged from 8620 steel for greater strength
- Capable of .650 in. max Valve Lift
- 1.640 Ratio
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 |
| 2019-2021 | Harley-Davidson | FLHT Electra Glide Standard | Base |
| 2017-2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | Base |
| 2020-2021 | Harley-Davidson | FLHTCUTGSE CVO Tri Glide | Base |
| 2017-2021 | Harley-Davidson | FLHTK Ultra Limited | Base |
| 2017-2019 | Harley-Davidson | FLHTKL Ultra Limited Low | Base |
| 2017-2021 | Harley-Davidson | FLHTKSE CVO Limited | Base |
| 2017-2021 | Harley-Davidson | FLHX Street Glide | Base |
| 2017-2021 | Harley-Davidson | FLHXS Street Glide Special | Base |
| 2017-2021 | Harley-Davidson | FLHXSE CVO Street Glide | Base |
| 2017-2021 | Harley-Davidson | FLRT Freewheeler | Base |
| 2020-2021 | Harley-Davidson | FLTRK Road Glide Limited | Base |
| 2017-2019 | Harley-Davidson | FLTRU Road Glide Ultra | Base |
| 2017-2021 | Harley-Davidson | FLTRX Road Glide | Base |
| 2017-2021 | Harley-Davidson | FLTRXS Road Glide Special | Base |
| 2018-2020 | Harley-Davidson | FXBRS Breakout 114 | Base |
| 2019-2020 | Harley-Davidson | FXDRS FXDR 114 | Base |
| 2018-2021 | Harley-Davidson | FXFBS Fat Bob 114 | Base |
| 2020 | Harley-Davidson | FXLRS Low Rider S 114 | Base |
Full details on shipping times, returns, warranty and cancellations are on our policy page.
Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.
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Call 407-846-8430
Text 407-749-6314
Answers to common questions are on our FAQ page.
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