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S&S Flywheel Assembly For Harley
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.
Features:
- Heat treated 4140 material is harder & more than twice as strong as stock
- Stronger assembly eliminates need to weld crankpin
- Capable of higher RPM - More available power
- S&S High strength connecting rods are designed with Finite Element Analysis to eliminate weak spots and handle more power
- Perfect for gear drive cams
- 4-1/2" Stroke (114 or 128ci)
- 4-3/8" Stroke (107 or 124ci)
- 4-5/8" Stroke - Use S&S 131 Kits
Note: Full width wristpin connecting rods require S&S performance pistons / Tapered wristpin connecting rods compatible with stock pistons
| Product Style | RevZilla Item # | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|
| Product Style Full width wristpin / Balancer gear / 4 1/2" Stroke | RevZilla Item #10089976 | Store Sku | MFR. Product #320-0603 | AvailabilityIn Stock: Ships within 24 hours |
| Product Style Full width wristpin / Balancer gear / 4 3/8" Stroke | RevZilla Item #10089977 | Store Sku | MFR. Product #320-0604 | AvailabilityIn Stock: Ships within 24 hours |
| Product Style Full width wristpin / Balancer gear / 4 5/8" Stroke | RevZilla Item #10089978 | Store Sku | MFR. Product #320-0605 | AvailabilityIn Stock: Ships within 24 hours |
| Product Style 4 3/8" Stroke / Full width wristpin / No balancer gear | RevZilla Item #10089983 | Store Sku | MFR. Product #320-0619 | AvailabilityCloseout: This product is no longer available |
| Product Style 4 5/8" Stroke / Full width wristpin / No balancer gear | RevZilla Item #10089984 | Store Sku | MFR. Product #320-0620 | AvailabilityCloseout: This product is no longer available |
| Product Style Tapered wristpin / Balancer gear / 4 3/8" Stroke | RevZilla Item #10089974 | Store Sku | MFR. Product #320-0601 | AvailabilityOnly 3 Left: Ships within 24 hours |
| Product Style Tapered wristpin / No balancer gear / 4 3/8" Stroke | RevZilla Item #10089980 | Store Sku | MFR. Product #320-0616 | AvailabilityCloseout: This product is no longer available |
| Product Style 4 5/8" Stroke / Tapered wristpin / No balancer gear | RevZilla Item #10089981 | Store Sku | MFR. Product #320-0617 | AvailabilityCloseout: This product is no longer available |
This Product Fits
- Harley Davidson
- Electra Glide Standard FLHT 2019, 2020, 2021, 2022
- Electra Glide Ultra Classic FLHTCU/I 2017, 2018, 2019
- Electra Glide Ultra Limited CVO/SE FLHTKSE 2017, 2018, 2019, 2020, 2021
- Electra Glide Ultra Limited FLHTK 2017-2024
- Electra Glide Ultra Limited Low FLHTKL 2017, 2018, 2019
- Road Glide CVO/SE FLTRXSE 2018, 2019, 2020, 2021, 2022
- Road Glide FLTRX 2017-2023
- Road Glide Limited CVO FLTRKSE 2022, 2023
- Road Glide Limited FLTRK 2020, 2021, 2022, 2023, 2024
- Road Glide Special FLTRXS 2017-2023
- Road Glide ST FLTRXST 2022, 2023
- Road Glide Ultra FLTRU 2017, 2018, 2019
- Road King FLHR/I 2017-2022
- Road King Special FLHRXS 2017-2025
- Softail Breakout 114 FXBRS 2018, 2019, 2020
- Softail Breakout 117 FXBR 2023, 2024, 2025
- Softail Breakout FXBR 2018, 2019
- Softail Deluxe FLDE 2018, 2019, 2020
- Softail Fat Bob 114 FXFBS 2018-2023
- Softail Fat Bob FXFB 2018, 2019
- Softail Fat Boy 114 FLFBS 2018-2024
- Softail Fat Boy FLFB 2018, 2019, 2025
- Softail FXDR 114 FXDRS 2019, 2020
- Softail Heritage Classic 114 FLHCS 2018-2024
- Softail Heritage Classic FLHC 2018, 2019, 2020, 2021, 2025
- Softail Low Rider FXLR 2018, 2019, 2020
- Softail Low Rider S FXLRS 2020-2025
- Softail Low Rider ST FXLRST 2022, 2023, 2024, 2025
- Softail Slim FLSL 2018, 2019, 2020, 2021
- Softail Sport Glide FLSB 2018, 2019, 2020, 2021
- Softail Standard FXST 2020, 2021, 2022, 2023, 2024
- Softail Street Bob 114 FXBBS 2021, 2022, 2023, 2024
- Softail Street Bob FXBB 2018, 2019, 2020, 2025
- Street Glide CVO/SE FLHXSE 2017-2022
- Street Glide FLHX/I 2017-2023
- Street Glide Special FLHXS 2017-2023
- Street Glide ST FLHXST 2022, 2023
S&S Cycle Flywheel Assembly For Harley Milwaukee Eight 2017-2025 Instructions
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