556634 MCS 53-84 tappet adjusting screw kit for Harley-Davidson
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
- 556634
- OEM Reference
- 18556-57
- Pack Quantity
- Pack of 4
- Category
- Tappets Parts
- VAT Rate
- 20%
About This Product
MCS tappet adjusting screw kit for Panhead and Shovelhead. Fits 1953 to 1965 Panheads and 1966 to 1984 Shovelheads. Replaces OEM 18556-57. Thread is 9/32\"-32. The ball end fits inside OEM style hydraulic pushrods. Sold as a set of four. You will need matching lock nuts. Set the clearance correctly and the valvetrain stays quiet.
Manufacturer part number: 556634.
Fitment
74 models53-65 Panhead; 66-84 Shovelhead. With OEM style hydraulic operated pushrods
FL Shovel 32 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1970–1974 | Electra Glide FL-1200 |
| Harley-Davidson | 1966–1969 | Electra Glide FLB-1200 |
| Harley-Davidson | 1966–1967 | Electra Glide FLFB-1200 |
| Harley-Davidson | 1978–1982 | Electra Glide FLH |
| Harley-Davidson | 1978 | Electra Glide FLH 80 FLH-80 |
| Harley-Davidson | 1970–1980 | Electra Glide FLH-1200 |
| Harley-Davidson | 1980 | Electra Glide FLH-80 |
| Harley-Davidson | 1966–1969 | Electra Glide FLHB-1200 |
| Harley-Davidson | 1975 | Electra Glide FLHF |
| Harley-Davidson | 1971–1975 | Electra Glide FLHF-1200 |
| Harley-Davidson | 1966–1969 | Electra Glide FLHFB-1200 |
| Harley-Davidson | 1981 | Electra Glide FLHS |
| Harley-Davidson | 1977 | Electra Glide FLHS-1200 |
| Harley-Davidson | 1980 | Electra Glide FLHS-80 |
| Harley-Davidson | 1984 | Electra Glide FLHT |
| Harley-Davidson | 1984 | FLH Police 80 FLH |
| Harley-Davidson | 1981 | Glide Classic FLHC |
| Harley-Davidson | 1980 | Glide Classic FLHC-80 |
| Harley-Davidson | 1983–1984 | Glide Classic FLHT |
| Harley-Davidson | 1975 | Glide Police FL |
| Harley-Davidson | 1982–1984 | Police Electra Glide FLH-1200 |
| Harley-Davidson | 1981–1984 | Police Electra Glide FLH-80 |
| Harley-Davidson | 1983 | Police FLH |
| Harley-Davidson | 1979–1980 | Police FLH-1200 FLH-1200 |
| Harley-Davidson | 1981–1982 | Touring Electra Glide Classic FLHC |
| Harley-Davidson | 1979 | Touring Electra Glide Classic FLHC-80 |
| Harley-Davidson | 1983–1984 | Touring Electra Glide Classic FLHTC |
| Harley-Davidson | 1984 | Touring Electra Glide FLH |
| Harley-Davidson | 1979–1984 | Touring Electra Glide FLH-80 |
| Harley-Davidson | 1981–1984 | Touring Electra Glide Sport FLHS |
| Harley-Davidson | 1977 | Touring Electra Glide Sport FLHS-1200 |
| Harley-Davidson | 1980 | Touring Electra Glide Sport FLHS-80 |
FX Shovel 16 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1983–1984 | FX Low Rider FXSB |
| Harley-Davidson | 1984 | FX Super Glide FXE |
| Harley-Davidson | 1976–1980 | FX Super Glide FXE-1200 |
| Harley-Davidson | 1981–1982 | FX Super Glide FXS |
| Harley-Davidson | 1977–1978 | 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 | 1980 | FX Wide Glide FXWG-80 |
| Harley-Davidson | 1976–1977 | Super Glide 1200 FX-1200 |
| Harley-Davidson | 1981–1982 | Super Glide B80 FXB |
| Harley-Davidson | 1980 | Super Glide B80 FXB-80 |
| Harley-Davidson | 1973–1975 | Super Glide FX-1200 |
| Harley-Davidson | 1973–1975 | Super Glide FXE-1200 |
FXR 5 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1983–1984 | FXR Low Glide FXRS |
| Harley-Davidson | 1983 | FXR Super Glide FXR |
| Harley-Davidson | 1984 | FXR Touring FXRDG |
| Harley-Davidson | 1983–1984 | FXR Touring FXRT |
| Harley-Davidson | 1984 | Police Low Rider FXRP |
Panhead 13 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1958–1964 | Duo Glide FL-1200 |
| Harley-Davidson | 1958–1963 | Duo Glide FLF-1200 |
| Harley-Davidson | 1958–1964 | Duo Glide FLH-1200 |
| Harley-Davidson | 1960–1964 | Duo Glide FLHF-1200 |
| Harley-Davidson | 1965 | Electra Glide FLB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLHB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLHFB-1200 |
| Harley-Davidson | 1953–1957 | Hydra Glide FL-1200 |
| Harley-Davidson | 1953–1955 | Hydra Glide FLE-1200 |
| Harley-Davidson | 1953–1954 | Hydra Glide FLEF-1200 |
| Harley-Davidson | 1953–1956 | Hydra Glide FLF-1200 |
| Harley-Davidson | 1955–1957 | Hydra Glide FLH-1200 |
| Harley-Davidson | 1957 | Hydra Glide FLHF-1200 |
Softail 2 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1983 | Dyna Glide Glide Custom FXDG |
| Harley-Davidson | 1984 | Softail Standard FXST |
Touring 6 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1981 | Glide Classic FLTC |
| Harley-Davidson | 1982–1984 | Tour Glide Classic FLT |
| Harley-Davidson | 1979–1984 | Tour Glide FLT |
| Harley-Davidson | 1981 | Touring Tour Glide Classic FLTC |
| Harley-Davidson | 1980–1982 | Touring Tour Glide FLT |
| Harley-Davidson | 1983 | Touring Tour Glide FLTD |
Planning other changes? Find your model in the bike customiser.
Related Products
View all →
MCS
Lock nuts, for tappet adjuster screw
MCS
57-85 XL tappet adjusting screw kit
Jims
Lock nuts for tappet adjuster screw
Jims
36-52 chromoly tappet adjusting screw kit
MCS
36-52 tappet adjusting screw kit
Jims
57-85 tappet adjusting screws
Jims
15-73 tappet adjusting screw kit
Jims
4340 chromoly steel tappet screws. Special
More from MCS
View all →
Riser mount stud set, for OEM FXSTS Springer forks
Diaphragm clutch spring. 1.6mm thick
''Big Oil'' service kit. Mineral. Chrome filter
Switch housing turn signal mount kit. Chrome
Engine oil service kit. 20W50 Mineral
Engine oil service kit. Chrome. 4L. 20W50 Mineral
Engine oil service kit. 20W50 Mineral
Engine oil service kit. 20W50 Mineral
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.