507810 Balls, head cup/clutch
incl. VAT
Chapter members save 12% · Sign in for member pricing
Estimated delivery: 3–15 working days
Authorised
Iron City Dealer
14-Day Returns
Easy & hassle-free
Secure Checkout
256-bit encryption
Free UK Delivery
On orders over £100
Specifications
- Brand
- MCS
- Part Number
- 507810
- OEM Reference
- 8860
- Pack Quantity
- Pack of 25
- Category
- Clutch Misc
- VAT Rate
- 20%
About This Product
MCS 5/16-inch steel ball set. Pack of 25. Replaces OEM 8860. Fit head cups on 1952 to 1977 K-models and XL Sportsters. Fit all Springer front ends from 1929 to 1973. Fit the clutch ramp on 1971 to early 1984 XL Sportsters.
Manufacturer part number: 507810.
Fitment
97 modelsHEAD CUPS: 52-77 K; XL; all 29-73 springers. clutch RAMP: 71-E84 XL Sportster
CVO/Custom 2 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2026 | CVO Street Glide Limited FLHXLSE |
| Harley-Davidson | 2014 | Road King FLHR |
Flathead 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1935–1952 | 45" WL |
FX Shovel 12 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1981–1984 | FX Super Glide FXE |
| Harley-Davidson | 1976–1980 | FX Super Glide FXE-1200 |
| Harley-Davidson | 1981 | FX Super Glide FXS |
| Harley-Davidson | 1977–1979 | FX Super Glide FXS-1200 |
| Harley-Davidson | 1979–1984 | FX Super Glide FXS-80 |
| Harley-Davidson | 1981 | FX Super Glide Fat Bob FXEF |
| Harley-Davidson | 1979–1980 | FX Super Glide Fat Bob FXEF-1200 |
| Harley-Davidson | 1979–1980 | FX Super Glide Fat Bob FXEF-80 |
| Harley-Davidson | 1981–1984 | FX Wide Glide FXWG |
| Harley-Davidson | 1976–1978 | Super Glide 1200 FX-1200 |
| Harley-Davidson | 1981 | Super Glide B80 FXB |
| Harley-Davidson | 1980 | Super Glide B80 FXB-80 |
Model K 3 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1952–1953 | Model K K-750 |
| Harley-Davidson | 1954–1956 | Model K KH-900 |
| Harley-Davidson | 1955 | Model K KHK-900 |
Servi-Car 5 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1935–1963 | Servi-Car G-750 |
| Harley-Davidson | 1941–1959 | Servi-Car GA-750 |
| Harley-Davidson | 1938 | Servi-Car GD-750 |
| Harley-Davidson | 1935 | Servi-Car GDT-750 |
| Harley-Davidson | 1964–1972 | Servi-Car GE-750 |
Softail 3 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1985 | FX Low Rider FXSB |
| Harley-Davidson | 1985–1986 | FX Wide Glide FXWG |
| Harley-Davidson | 1985 | Softail Standard FXST |
Sportster 18 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1975–1978 | Sportster 1000 XLCH-1000 |
| Harley-Davidson | 1977 | Sportster 1000 XLCR-1000 |
| Harley-Davidson | 1981–1984 | Sportster 1000 XLH |
| Harley-Davidson | 1979–1980 | Sportster 1000 XLH-1000 |
| Harley-Davidson | 1979–1980 | Sportster 1000 XLS-1000 |
| Harley-Davidson | 1977 | Sportster 1000 XLT-1000 |
| Harley-Davidson | 1984 | Sportster Roadster 1000 XLS |
| Harley-Davidson | 1983–1984 | Sportster Roadster 1000 XLX |
| Harley-Davidson | 1980 | Sportster Standard XLH |
| Harley-Davidson | 1975–1978 | Sportster Standard XLH-1000 |
| Harley-Davidson | 1957–1959 | Sportster XL-900 |
| Harley-Davidson | 1958 | Sportster XLC-900 |
| Harley-Davidson | 1972–1979 | Sportster XLCH-1000 |
| Harley-Davidson | 1958–1971 | Sportster XLCH-900 |
| Harley-Davidson | 1972–1975 | Sportster XLH-1000 |
| Harley-Davidson | 1958–1972 | Sportster XLH-900 |
| Harley-Davidson | 1983–1984 | Sportster XR-1000 |
| Harley-Davidson | 1976–1977 | Sportster XR-750 |
Touring 42 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1991–2013 | Electra Glide Classic FLHTC |
| Harley-Davidson | 2011 | Electra Glide Classic FLHTC 103 |
| Harley-Davidson | 1996–2006 | Electra Glide Classic FLHTCI |
| Harley-Davidson | 1991–1994 | Electra Glide Sport FLHS |
| Harley-Davidson | 1996–2010 | Electra Glide Standard FLHT |
| Harley-Davidson | 2003–2006 | Electra Glide Standard FLHTI |
| Harley-Davidson | 2017–2019 | Electra Glide Ultra Classic FLHTCU |
| Harley-Davidson | 2013 | Electra Glide Ultra Limited Anv FLHTK |
| Harley-Davidson | 2010–2013 | Electra Glide Ultra Limited FLHTK |
| Harley-Davidson | 2011 | FB4 Road King FLHR |
| Harley-Davidson | 1998–2009 | Road Glide FLTR |
| Harley-Davidson | 1998–2006 | Road Glide FLTRI |
| Harley-Davidson | 2026 | Road Glide Limited FLTRXL |
| Harley-Davidson | 2021–2024 | Road Glide Limited FLTRK |
| Harley-Davidson | 2011–2019 | Road Glide Ultra FLTRU |
| Harley-Davidson | 2013 | Road King Anv FLHR |
| Harley-Davidson | 2007–2019 | Road King Classic FLHRC |
| Harley-Davidson | 2011 | Road King Classic FLHRC 103 |
| Harley-Davidson | 1998–2006 | Road King Classic FLHRCI |
| Harley-Davidson | 2004–2005 | Road King Custom FLHRS |
| Harley-Davidson | 2004–2005 | Road King Custom FLHRSI |
| Harley-Davidson | 1993–2021 | Road King FLHR |
| Harley-Davidson | 2011 | Road King FLHR 103 |
| Harley-Davidson | 1996–2006 | Road King FLHRI |
| Harley-Davidson | 2026 | Street Glide Limited FLHXL |
| Harley-Davidson | 2025 | Street Glide ULTRA FLHXU |
| Harley-Davidson | 1991–1992 | Tour Glide Classic FLTC |
| Harley-Davidson | 1991–1995 | Tour Glide Ultra Classic FLTCU |
| Harley-Davidson | 1996 | Tour Glide Ultra Classic FLTCUI |
| Harley-Davidson | 1987–1990 | Touring Electra Glide Classic FLHTC |
| Harley-Davidson | 1987–1990 | Touring Electra Glide Sport FLHS |
| Harley-Davidson | 1988 | Touring Electra Glide Standard FLHT |
| Harley-Davidson | 1987–1990 | Touring Tour Glide Classic FLTC |
| Harley-Davidson | 1989–1990 | Touring Tour Glide Classic Ultra FLTCU |
| Harley-Davidson | 1991–2016 | Ultra Classic FLHTCU |
| Harley-Davidson | 2011 | Ultra Classic FLHTCU 103 |
| Harley-Davidson | 1995–2006 | Ultra Classic FLHTCUI |
| Harley-Davidson | 2014–2016 | Ultra Classic Twin-Cooled FLHTCU |
| Harley-Davidson | 2018 | Ultra Limited Anniversary FLHTK |
| Harley-Davidson | 2014–2023 | Ultra Limited FLHTK |
| Harley-Davidson | 2018–2022 | Ultra Limited Shrine Edition FLHTK |
| Harley-Davidson | 2017 | Ultra Limited Shrine FLHTK |
Trike 11 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2025 | Freewheeler FLRT |
| Harley-Davidson | 2015–2024 | Freewheeler FLRT |
| Harley-Davidson | 2025 | Road Glide 3 FLTRT |
| Harley-Davidson | 2023 | Road Glide 3 FLTRT |
| Harley-Davidson | 2010–2011 | Street Glide Trike FLHXXX |
| Harley-Davidson | 2025 | Tri Glide ULTRA FLHTCUTG |
| Harley-Davidson | 2018 | Tri Glide Ultra Anniversary FLHTCUTG |
| Harley-Davidson | 2023 | Tri Glide Ultra Anniversary FLHTCUTGANV |
| Harley-Davidson | 2013 | Tri Glide Ultra Classic Anv FLHTCUTG |
| Harley-Davidson | 2009–2016 | Tri Glide Ultra Classic FLHTCUTG |
| Harley-Davidson | 2017–2024 | Tri Glide Ultra FLHTCUTG |
Planning other changes? Find your model in the bike customiser.
Related Products
View all →
MCS
Throw out bearing & pushrod kit. Late style
MCS
Oil slinger, clutch bearing
MCS
Spring, clutch adjustment
James Gaskets
Oil seal clutch hub. Rubber OD
MCS
Rivet, clutch hub liner. Short
Colony
Clutch gear nut
MCS
Clutch pushrod (center)
Samwel
Retaining ring, pushrod guide
More from MCS
View all →
FLTR headlamp LED adapter harness
Transmission sprocket / pulley nut wrench
Motor mount w/coil mount. no ignition switch hole. Chrome
41-99 connecting rod roller retainer set
Throttle screw extension lever. Black
Detachable sissy bar side plates
Docking hardware kit
Docking hardware kit
Who are we? Leeds Harley-Davidson - Iron City Motorcycles
This product is fulfilled by Iron City Motorcycles, Leeds' authorised Harley-Davidson® dealer, serving the UK with a full range of Genuine Motorclothes®, dealer merchandise, and official Harley-Davidson parts & accessories — available for UK and international delivery.
From OEM Parts to retro lifestyle wear to aftermarket stockits we have what you need to keep you riding all year round.
Use our official OEM parts finder to browse our full Genuine Harley-Davidson® Parts and our associated approved aftermarket catalogues.