S&S Cycle 2017 M8 Models 4-1/2in Stroke Flywheel w/ Tapered Rods & Balancer Gear
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
The flywheels are the heart of any performance engine and S&S Cycle has been perfecting the art for over six decades. Stronger, more durable, and trued to a spec others can only dream of, the new cranks for the Milwaukee-Eight® platform are the best of the best to build your high performance engine around.
- S&S High Strength Connecting Rods are designed with Finite Element Analysis to eliminate weak spots and handle more power!
- Heat Treated 4140 Material is harder & more than twice as strong as stock
- Tapered wristpin connecting rods compatible with stock pistons
- Stronger assembly eliminates need to weld crankpin
- Capable of higher RPM - More available power!
- Balanced for stock piston weight (1060g)
- Consistent balance & precision machining
- 4-1/2" Stroke (114 or 128ci)
- Perfect for Gear Drive Cams
- Balance Gear installed
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2018-2020 | Harley-Davidson | FLDE Deluxe 107 | Base |
| 2018-2020 | Harley-Davidson | FLFB Fat Boy 107 | Base |
| 2025-2026 | Harley-Davidson | FLFB Fat Boy 117 | Base |
| 2018-2023 | Harley-Davidson | FLFBS Fat Boy 114 | Base |
| 2021 | Harley-Davidson | FLH Electra Glide Revival | Base |
| 2018-2021 | Harley-Davidson | FLHC Heritage Classic 107 | Base |
| 2026 | Harley-Davidson | FLHC Heritage Classic 117 | Base |
| 2018-2024 | Harley-Davidson | FLHCS Heritage Classic 114 | Base |
| 2023 | Harley-Davidson | FLHFB Electra Glide Highway King | Base |
| 2017-2022 | Harley-Davidson | FLHR Road King | Base |
| 2017-2019 | Harley-Davidson | FLHRC Road King Classic | Base |
| 2017-2025 | Harley-Davidson | FLHRXS Road King Special | Base |
| 2019-2022 | Harley-Davidson | FLHT Electra Glide Standard | Base |
| 2017-2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | Base |
| 2017-2025 | Harley-Davidson | FLHTCUTG Tri Glide Ultra | Base |
| 2022 | Harley-Davidson | FLHTCUTG Tri Glide Ultra G.I. | Base |
| 2020-2022 | Harley-Davidson | FLHTCUTGSE CVO Tri Glide | Base |
| 2017-2021 | Harley-Davidson | FLHTKSE CVO Limited | Base |
| 2017-2026 | Harley-Davidson | FLHX Street Glide | Base |
| 2017-2023 | Harley-Davidson | FLHXS Street Glide Special | Base |
| 2017-2026 | Harley-Davidson | FLHXSE CVO Street Glide | Base |
| 2022-2023 | Harley-Davidson | FLHXST Street Glide ST | Base |
| 2025 | Harley-Davidson | FLHXU Street Glide Ultra | Base |
| 2024 | Harley-Davidson | FLI Hydra-Glide Revival | Base |
| 2017-2025 | Harley-Davidson | FLRT Freewheeler | Base |
| 2018-2024 | Harley-Davidson | FLSB Sport Glide 107 | Base |
| 2018-2021 | Harley-Davidson | FLSL Softail Slim 107 | Base |
| 2017 | Harley-Davidson | FLSTC Heritage Softail Classic | Base |
| 2025 | Harley-Davidson | FLSTFI Fat Boy Gray Ghost | Base |
| 2020-2024 | Harley-Davidson | FLTRK Road Glide Limited | Base |
| 2022 | Harley-Davidson | FLTRKSE CVO Road Glide Limited | Base |
| 2024-2026 | Harley-Davidson | FLTRT Road Glide 3 | Base |
| 2017-2019 | Harley-Davidson | FLTRU Road Glide Ultra | Base |
| 2017-2026 | Harley-Davidson | FLTRX Road Glide | Base |
| 2025 | Harley-Davidson | FLTRXRRSE CVO Road Glide RR | Base |
| 2017-2023 | Harley-Davidson | FLTRXS Road Glide Special | Base |
| 2018-2025 | Harley-Davidson | FLTRXSE CVO Road Glide | Base |
| 2022-2023 | Harley-Davidson | FLTRXST Road Glide ST | Base |
| 2025-2026 | Harley-Davidson | FLTRXSTSE CVO Road Glide ST | Base |
| 2018-2020 | Harley-Davidson | FXBB Street Bob 107 | Base |
| 2025-2026 | Harley-Davidson | FXBB Street Bob 117 | Base |
| 2021-2024 | Harley-Davidson | FXBBS Street Bob 114 | Base |
| 2018-2019 | Harley-Davidson | FXBR Breakout 107 | Base |
| 2024-2026 | Harley-Davidson | FXBR Breakout 117 | Base |
| 2018-2020 | Harley-Davidson | FXBRS Breakout 114 | Base |
| 2019-2020 | Harley-Davidson | FXDRS FXDR 114 | Base |
| 2018-2020 | Harley-Davidson | FXFB Fat Bob 107 | Base |
| 2018-2023 | Harley-Davidson | FXFBS Fat Bob 114 | Base |
| 2018-2020 | Harley-Davidson | FXLR Low Rider 107 | Base |
| 2020-2021 | Harley-Davidson | FXLRS Low Rider S 114 | Base |
| 2022-2026 | Harley-Davidson | FXLRS Low Rider S 117 | Base |
| 2022-2026 | Harley-Davidson | FXLRST Low Rider ST 117 | Base |
| 2022 | Harley-Davidson | FXRST Low Rider El Diablo 117 | Base |
| 2020-2024 | Harley-Davidson | FXST Softail Standard 107 | Base |
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.