S&S CYCLE 550C Chain Drive Camshaft Kit for 2017-Up M8 Models - 330-0643
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Warehouse Locations
*Gold Coast Warehouse Ships Same day
*USA Warehouse Delivers In Approx 3 Weeks
FEATURES & BENEFITS
- 550C is an ideal Horsepower Cam for 114 and larger engines
- Kits include all required bearings, o-rings, and hardware
- Made in the USA
Required for installation:
This cam requires Adjustable Pushrods and Heavy Duty Valve Springs. We recommend:
930-0123 Quickee Adjustable Pushrods with Cover Keepers for 2017-up M8 Models
900-0958 Heavy Duty Valve Spring kit for 2017-19 M8 Touring Models
Suggested:
330-0718 Precision Tappet Set Without HL2T Kit For 1999-'17 HD Big Twins, 2000-'20 HD® Sportster®, and 2017-20 M8 Models (Tappets should be replaced every time that the cam is replaced)
| Cylinder | Valve Timing | Valve Duration | Valve Lift | Lobe Center Line | Valve Lift @ TDC | |||||
| Intake | Exhaust | Intake | Exhaust | Intake | Exhaust | Intake | Exhaust | Intake | Exhaust | |
| Open BTDC/ Close ABDC | Open BBDC/ Close ATDC | |||||||||
| Front | 9.4/29.4 | 62.5/30.5 | 218.9 | 273.1 | .550 | .550 | 100.0 | 106.0 | .127 | .232 |
| Rear | 3.1/31.1 | 59.4/38.4 | 214.2 | 277.8 | .550 | .550 | 104.0 | 100.5 | .099 | .264 |
Fitment Guide
| 2020 | Harley-Davidson | Softail Low Rider S FXLRS | - | - |
| 2020 | Harley-Davidson | Road Glide Limited FLTRK | - | - |
| 2020 | Harley-Davidson | CVO Tri Glide FLHTCUTGSE | - | - |
| 2020 | Harley-Davidson | Softail Standard FXST | - | - |
| 2019-2020 | Harley-Davidson | FXDR 114 | - | - |
| 2019-2020 | Harley-Davidson | Electra Glide Standard EFI FLHTI | - | - |
| 2018-2020 | Harley-Davidson | Softail Fat Bob 114 FXFBS | - | - |
| 2018-2020 | Harley-Davidson | Softail Fat Boy 114 FLFBS | - | - |
| 2018-2020 | Harley-Davidson | Softail Heritage Classic 114 FLHCS | - | - |
| 2018-2020 | Harley-Davidson | Softail Low Rider FXLR | - | - |
| 2018-2020 | Harley-Davidson | Softail Slim FLSL | - | - |
| 2018-2020 | Harley-Davidson | Softail Street Bob FXBB | - | - |
| 2018-2020 | Harley-Davidson | Softail Breakout 114 FXBRS | - | - |
| 2018-2020 | Harley-Davidson | Softail Deluxe FLDE | - | - |
| 2018-2020 | Harley-Davidson | Softail Heritage Classic FLHC | - | - |
| 2018-2020 | Harley-Davidson | Softail Sport Glide FLSB | - | - |
| 2018-2020 | Harley-Davidson | CVO Road Glide Custom FLTRXSE | - | - |
| 2018-2019 | Harley-Davidson | Softail Breakout FXBR | - | - |
| 2018-2019 | Harley-Davidson | Softail Fat Bob FXFB | - | - |
| 2018-2019 | Harley-Davidson | Softail Fat Boy FLFB | - | - |
| 2017-2020 | Harley-Davidson | Street Glide Special FLHXS | - | - |
| 2017-2020 | Harley-Davidson | Road King Special FLHRXS | - | - |
| 2017-2020 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE | - | - |
| 2017-2020 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | - | - |
| 2017-2020 | Harley-Davidson | Road Glide Special FLTRXS | - | - |
| 2017-2020 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG | - | - |
| 2017-2020 | Harley-Davidson | Freewheeler FLRT | - | - |
| 2017-2020 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
| 2017-2020 | Harley-Davidson | Street Glide EFI FLHX | - | - |
| 2017-2020 | Harley-Davidson | Road King EFI FLHR | - | - |
| 2017-2020 | Harley-Davidson | Road Glide Custom FLTRX | - | - |
| 2017-2020 | Harley-Davidson | CVO Street Glide FLHXSE | - | - |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL | - | - |
| 2017-2019 | Harley-Davidson | Road Glide Ultra FLTRU | - | - |
| 2017-2019 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | - | - |
Specs
| PRODUCT NAME | CAM |
| TYPE | CHAIN |
| APPLICATION | EXHAUST / INTAKE |
| GRIND | 550C |
| INTAKE OPEN | 9.4 FRONT, 3.1 REAR |
| INTAKE CLOSE | 29.4 FRONT, 31.1 REAR |
| INTAKE LIFT | 0.550" |
| INTAKE DURATION | 218.9 FRONT, 214.2 REAR |
| EXHAUST LIFT | 0.550" |
| EXHAUST DURATION | 273.1 FRONT, 277.8 REAR |
| EXHAUST OPEN | 62.5 FRONT, 59.4 REAR |
| EXHAUST CLOSE | 30.5 FRONT, 38.4 REAR |
| UNITS | KIT |
| RIDING STYLE | STREET |
Shipping Information
Please Note - Warehouse Locations For Part -
S&S CYCLE 550C Chain Drive Camshaft Kit for 2017-Up M8 Models - 330-0643
USA Warehouse - 3 Week Delivery- If your parts are located at our USA Warehouse, Delivery ETA is approx 3 weeks, as the parts are coming from our US suppliers warehouse. We will notify you once we receive it in Gold Coast warehouse and its on its way to you.
Gold Coast Warehouse- If you're parts are in stock at our Gold Coast warehouse at the time of order, they will be shipped within 24hrs.