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993644 Cylinder head holder. M12/M14
View fitment OEM: 993644
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Part #: 993644
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Specifications
- Brand
- MCS
- Part Number
- 993644
- OEM Reference
- 993644
- Pack Quantity
- Each
- Category
- Tools Engine
- VAT Rate
- 20%
About This Product
MCS cylinder head holder with M12 by 1.25 and M14 by 1.25 threads. Screws into the plug hole and clamps in the vice so the head cannot shift while you work the valves or clean the chambers. Saves the cooling fins from vice marks. Fits 1948 to 2017 Big Twins excluding Milwaukee-Eight, Sportster XL 1957 to 2022, XR1200 2008 to 2012, and Buell XB 1987 to 2010. OEM 993644.
Manufacturer part number: 993644.
Fitment
191 models48-17 Big Twin (Excl. M8); 57-22 XL Sportster; 08-12 XR1200; 87-10 Buell XB
Dyna 18 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2008–2017 | Dyna Fat Bob FXDF |
| Harley-Davidson | 2012–2017 | Dyna Fat Bob FXDF 103 |
| Harley-Davidson | 2000 | Dyna Glide Convertible FXDS-CONV |
| Harley-Davidson | 1993–2017 | Dyna Low Rider FXDL |
| Harley-Davidson | 2014–2017 | Dyna Low Rider FXDL 103 |
| Harley-Davidson | 2009–2017 | Dyna Street Bob FXDB |
| Harley-Davidson | 2016 | Dyna Street Bob FXDB 103 |
| Harley-Davidson | 1991 | Dyna Sturgis FXDB |
| Harley-Davidson | 1995–2000 | Dyna Super Glide Convertible FXDS |
| Harley-Davidson | 2005–2011 | Dyna Super Glide Custom FXDC |
| Harley-Davidson | 1995–2010 | Dyna Super Glide FXD |
| Harley-Davidson | 1999–2005 | Dyna Super Glide Sport FXDX |
| Harley-Davidson | 2001–2002 | Dyna Super Glide T-Sport FXDXT |
| Harley-Davidson | 2008 | Dyna Wide Glide 105th Anv FXDWG |
| Harley-Davidson | 1994–2016 | Dyna Wide Glide FXDWG |
| Harley-Davidson | 2012–2017 | Dyna Wide Glide FXDWG 103 |
| Harley-Davidson | 2017 | Low Rider FXDL 103 |
| Harley-Davidson | 1992 | Super Glide Custom FXDC |
FL Shovel 16 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1981–1983 | Electra Glide FLH |
| Harley-Davidson | 1978 | Electra Glide FLH 80 FLH-80 |
| Harley-Davidson | 1975–1977 | Electra Glide FLH-1200 |
| Harley-Davidson | 1980 | Electra Glide FLH-80 |
| Harley-Davidson | 1977 | Electra Glide FLHS-1200 |
| Harley-Davidson | 1983 | Electra Glide FLHT |
| Harley-Davidson | 1980 | Glide Classic FLHC-80 |
| Harley-Davidson | 1983–1984 | Glide Classic FLHT |
| Harley-Davidson | 1983 | Police FLH |
| Harley-Davidson | 1979–1980 | Police FLH 80 FLHP-80 |
| Harley-Davidson | 1980 | Police FLH-1200 FLH-1200 |
| Harley-Davidson | 1983–1984 | Touring Electra Glide Classic FLHTC |
| Harley-Davidson | 1979 | Touring Electra Glide FLH-80 |
| Harley-Davidson | 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 9 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1983 | Dyna Glide Custom FXDG |
| Harley-Davidson | 1983–1984 | FX Low Rider FXSB |
| Harley-Davidson | 1977–1978 | FX Super Glide FXE-1200 |
| Harley-Davidson | 1977–1979 | FX Super Glide FXS-1200 |
| Harley-Davidson | 1981 | FX Super Glide Fat Bob FXEF |
| Harley-Davidson | 1979–1980 | FX Super Glide Fat Bob FXEF-1200 |
| Harley-Davidson | 1981–1984 | FX Wide Glide FXWG |
| Harley-Davidson | 1976–1978 | Super Glide 1200 FX-1200 |
| Harley-Davidson | 1981–1982 | Super Glide B80 FXB |
FXR 18 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1989–1990 | FXR Convertible FXRS |
| Harley-Davidson | 1985–1987 | FXR Custom FXRC |
| Harley-Davidson | 1982–1990 | FXR Low Glide FXRS |
| Harley-Davidson | 1989–1990 | FXR Low Rider FXLR |
| Harley-Davidson | 1986–1993 | FXR Sport FXRS-SP |
| Harley-Davidson | 1983–1990 | FXR Super Glide FXR |
| Harley-Davidson | 1986 | FXR Touring FXRD |
| Harley-Davidson | 1983–1990 | FXR Touring FXRT |
| Harley-Davidson | 1992 | Low Rider Convertible FXRS |
| Harley-Davidson | 1991–1992 | Low Rider Custom FXLR |
| Harley-Davidson | 1991–1992 | Low Rider Sport Edition FXRS-SP |
| Harley-Davidson | 1984–1990 | Police Low Rider FXRP |
| Harley-Davidson | 1992 | Sport Glide FXRT |
| Harley-Davidson | 1993 | Super Glide Convertible FXRS |
| Harley-Davidson | 1991–1994 | Super Glide FXR |
| Harley-Davidson | 1993–1994 | Super Glide Low Rider FXLR |
| Harley-Davidson | 1994 | Super Glide Police (Fairing) FXRP |
| Harley-Davidson | 1993–1994 | Super Glide Police (Windshield) FXRP |
Panhead 20 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1958–1964 | Duo Glide FL-1200 |
| Harley-Davidson | 1958–1964 | Duo Glide FLF-1200 |
| Harley-Davidson | 1959–1964 | Duo Glide FLH-1200 |
| Harley-Davidson | 1959–1964 | Duo Glide FLHF-1200 |
| Harley-Davidson | 1965 | Electra Glide FLB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLFB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLHB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLHFB-1200 |
| Harley-Davidson | 1950–1951 | Hydra Glide E-1000 |
| Harley-Davidson | 1949–1952 | Hydra Glide EL-1000 |
| Harley-Davidson | 1952 | Hydra Glide ELF-1000 |
| Harley-Davidson | 1950–1952 | Hydra Glide F-1200 |
| Harley-Davidson | 1949–1957 | Hydra Glide FL-1200 |
| Harley-Davidson | 1954–1956 | Hydra Glide FLE-1200 |
| Harley-Davidson | 1953–1956 | Hydra Glide FLEF-1200 |
| Harley-Davidson | 1952–1956 | Hydra Glide FLF-1200 |
| Harley-Davidson | 1955–1957 | Hydra Glide FLH-1200 |
| Harley-Davidson | 1955–1957 | Hydra Glide FLHF-1200 |
| Harley-Davidson | 1948 | Panhead F-1200 |
| Harley-Davidson | 1948 | Panhead FL-1200 |
Softail 30 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2017 | Deluxe FLSTN |
| Harley-Davidson | 1985 | FX Super Glide Fat Bob FXEF |
| Harley-Davidson | 1985–1986 | FX Wide Glide FXWG |
| Harley-Davidson | 1991–2017 | Fat Boy FLSTF |
| Harley-Davidson | 2012–2015 | Fat Boy FLSTF 103 |
| Harley-Davidson | 2001 | Fat Boy FLSTFI |
| Harley-Davidson | 2013 | Heritage Softail Classic Anv FLSTC |
| Harley-Davidson | 1991–2017 | Heritage Softail Classic FLSTC |
| Harley-Davidson | 2012–2015 | Heritage Softail Classic FLSTC 103 |
| Harley-Davidson | 2002 | Heritage Softail Classic FLSTCI |
| Harley-Davidson | 1993–1996 | Heritage Softail Nostalgia FLSTN |
| Harley-Davidson | 1997–2002 | Heritage Springer FLSTS |
| Harley-Davidson | 2001–2002 | Heritage Springer FLSTSI |
| Harley-Davidson | 1999–2009 | Night Train FXSTB |
| Harley-Davidson | 2001–2002 | Night Train FXSTBI |
| Harley-Davidson | 1987–2010 | Softail Custom FXSTC |
| Harley-Davidson | 2005–2016 | Softail Deluxe FLSTN |
| Harley-Davidson | 2012–2015 | Softail Deluxe FLSTN 103 |
| Harley-Davidson | 2005–2006 | Softail Deluxe FLSTNI |
| Harley-Davidson | 2000–2001 | Softail Deuce FXSTD |
| Harley-Davidson | 2001–2002 | Softail Deuce FXSTDI |
| Harley-Davidson | 1990 | Softail Fat Boy FLSTF |
| Harley-Davidson | 1988–1990 | Softail Heritage Classic FLSTC |
| Harley-Davidson | 1986–1990 | Softail Heritage FLST |
| Harley-Davidson | 1989–1990 | Softail Springer FXSTS |
| Harley-Davidson | 1984–2015 | Softail Standard FXST |
| Harley-Davidson | 2002 | Softail Standard FXSTI |
| Harley-Davidson | 1991–2006 | Springer Softail FXSTS |
| Harley-Davidson | 1995–1997 | Springer Softail FXSTSB |
| Harley-Davidson | 2001–2002 | Springer Softail FXSTSI |
Sportster 49 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2017 | 1200 Custom Limited B XL1200CB |
| Harley-Davidson | 2017–2019 | 1200 Custom XL1200C |
| Harley-Davidson | 2018 | 1200 Roadster XL1200CX |
| Harley-Davidson | 2007 | 50th Anv Sportster XL50 |
| Harley-Davidson | 2011–2015 | 883 Roadster XL883R |
| Harley-Davidson | 2018 | Forty-Eight Anniversary XL1200X |
| Harley-Davidson | 2018–2019 | Forty-Eight Special XL1200XS |
| Harley-Davidson | 2010–2020 | Forty-Eight XL1200X |
| Harley-Davidson | 2019–2021 | Iron 1200 XL1200NS |
| Harley-Davidson | 2009–2019 | Iron 883 XL883N |
| Harley-Davidson | 2007–2012 | Nightster XL1200N |
| Harley-Davidson | 2016–2017 | Roadster XL1200CX |
| Harley-Davidson | 2013–2016 | Seventy-Two XL1200V |
| Harley-Davidson | 1975 | Sportster 1000 XLCH-1000 |
| Harley-Davidson | 1977–1978 | Sportster 1000 XLCR-1000 |
| Harley-Davidson | 1981–1985 | Sportster 1000 XLH |
| Harley-Davidson | 1979 | Sportster 1000 XLH-1000 |
| Harley-Davidson | 1980 | Sportster 1000 XLS-1000 |
| Harley-Davidson | 1977 | Sportster 1000 XLT-1000 |
| Harley-Davidson | 1986–1987 | Sportster 1100 XLH |
| Harley-Davidson | 2013 | Sportster 1200 Custom Anv XL1200C |
| Harley-Davidson | 2013–2016 | Sportster 1200 Custom Limited A XL1200CA |
| Harley-Davidson | 2013–2015 | Sportster 1200 Custom Limited B XL1200CB |
| Harley-Davidson | 1996–2016 | Sportster 1200 Custom XL1200C |
| Harley-Davidson | 2011–2016 | Sportster 1200 Custom XL1200CP |
| Harley-Davidson | 2006–2011 | Sportster 1200 Low XL1200L |
| Harley-Davidson | 1996–2003 | Sportster 1200 Sport XL1200S |
| Harley-Davidson | 1991–2003 | Sportster 1200 XL1200 |
| Harley-Davidson | 1998–2010 | Sportster 883 Custom XL883C |
| Harley-Davidson | 1990–1994 | Sportster 883 Deluxe XL883DLX |
| Harley-Davidson | 1987–2003 | Sportster 883 Hugger XL883HUG |
| Harley-Davidson | 2010–2011 | Sportster 883 Low XL883L |
| Harley-Davidson | 1987–2009 | Sportster 883 XL883 |
| Harley-Davidson | 2002–2010 | Sportster 883R XL883R |
| Harley-Davidson | 1981–1984 | Sportster Roadster 1000 XLS |
| Harley-Davidson | 1983–1985 | Sportster Roadster 1000 XLX |
| Harley-Davidson | 1975–1978 | Sportster Standard XLH-1000 |
| Harley-Davidson | 1957–1959 | Sportster XL-900 |
| Harley-Davidson | 2005–2009 | Sportster XL883 Low XL883L |
| Harley-Davidson | 1973–1974 | Sportster XLCH-1000 |
| Harley-Davidson | 1959–1972 | Sportster XLCH-900 |
| Harley-Davidson | 1974–1975 | Sportster XLH-1000 |
| Harley-Davidson | 1958–1971 | Sportster XLH-900 |
| Harley-Davidson | 1983–1984 | Sportster XR-1000 |
| Harley-Davidson | 2008–2010 | Sportster XR1200 |
| Harley-Davidson | 2010–2012 | Sportster XR1200X |
| Harley-Davidson | 2015–2020 | Superlow 1200T XL1200T |
| Harley-Davidson | 2016 | Superlow 883 XL883L |
| Harley-Davidson | 2012–2017 | Superlow XL883L |
Touring 31 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1991–2013 | Electra Glide Classic FLHTC |
| Harley-Davidson | 2011 | Electra Glide Classic FLHTC 103 |
| Harley-Davidson | 1999–2002 | Electra Glide Classic FLHTCI |
| Harley-Davidson | 1992–1994 | Electra Glide Sport FLHS |
| Harley-Davidson | 1995–2002 | Electra Glide Standard FLHT |
| Harley-Davidson | 2013 | Electra Glide Ultra Limited Anv FLHTK |
| Harley-Davidson | 2010–2013 | Electra Glide Ultra Limited FLHTK |
| Harley-Davidson | 2010–2013 | Road Glide Custom FLTRX |
| Harley-Davidson | 2011 | Road Glide Custom FLTRX 103 |
| Harley-Davidson | 1998–2009 | Road Glide FLTR |
| Harley-Davidson | 1998–2001 | Road Glide FLTRI |
| Harley-Davidson | 2015–2016 | Road Glide FLTRX |
| Harley-Davidson | 2015 | Road Glide Special FLTRXS |
| Harley-Davidson | 2013 | Road King Anv FLHR |
| Harley-Davidson | 2007–2015 | Road King Classic FLHRC |
| Harley-Davidson | 1998–2002 | Road King Classic FLHRCI |
| Harley-Davidson | 1993–2013 | Road King FLHR |
| Harley-Davidson | 2011 | Road King FLHR 103 |
| Harley-Davidson | 2000 | Road King FLHRI |
| Harley-Davidson | 2006–2016 | Street Glide FLHX |
| Harley-Davidson | 2011 | Street Glide FLHX 103 |
| Harley-Davidson | 2014–2016 | Street Glide Special FLHXS |
| Harley-Davidson | 1982–1984 | Tour Glide Classic FLT |
| Harley-Davidson | 1979–1984 | Tour Glide FLT |
| Harley-Davidson | 1986–1990 | Touring Electra Glide Classic FLHTC |
| Harley-Davidson | 1987–1990 | Touring Electra Glide Sport FLHS |
| Harley-Davidson | 1980–1981 | Touring Tour Glide FLT |
| Harley-Davidson | 1983 | Touring Tour Glide FLTD |
| Harley-Davidson | 1992–2013 | Ultra Classic FLHTCU |
| Harley-Davidson | 1997–2001 | Ultra Classic FLHTCUI |
| Harley-Davidson | 2014–2016 | Ultra Limited FLHTK |
Planning other changes? Find your model in the bike customiser.
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