Kibblewhite Valve Seat - 1.757" OD x 1.371" ID x 0.315" H - Evolution Big Twin | M8
Kibblewhite
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Product Details
Kibblewhite Valve Seat - 1.757" OD x 1.371" ID x 0.315" H - Evolution Big Twin | M8. Fits 104 Harley-Davidson models from 1984 to 2025, including the CVO Street Glide FLHXSE, Electra Glide Classic EFI FLHTCI and Electra Glide Police FLHTPI. Manufacturer part number 10HC446.
Features
- Copper-based material designed specifically for use with titanium valves in high performance applications
- Give the seat excellent thermal characteristics as well as resistance to corrosion and wear
- These seats are the result of a two year KPMI R&D effort during which we recorded and verified results with 4- and 5-valve singles, multi-cylinder street bikes, and British and European 4-strokes
- In each test the wear, thermal conductivity and machinability surpassed the standards we set for success
- These seats are used by successful builders around the world in all forms of racing
- Made in the U.S.A.
Made in the USA
Specifications
- Vendor Part Number
- 10HC446
- Package Height
- 0.5
- Package Length
- 1.75
- Package Width
- 1.76
- Parts Unlimited #
- 0926-3357
- Application
- Intake
- Brand
- Kibblewhite
- Inside Diameter (in)
- 1.371"
- Material
- Chromium/Nickel
- Model
- High Chrome
- Outside Diameter (in)
- 1.757"
- Riding Style
- Street
- Type
- Oversize
- Valve Seat Height
- 0.315"
- Unit of Measure
- Each
Fitment
104 vehicles| Year | Make | Make / Model Model |
|---|---|---|
| 2025 | Harley-Davidson |
Harley-Davidson CVO Street Glide FLHXSE CVO Street Glide FLHXSE |
| 1995 | Harley-Davidson |
Harley-Davidson Electra Glide Classic EFI FLHTCI Electra Glide Classic EFI FLHTCI |
| 1995 - 2025 | Harley-Davidson |
Harley-Davidson Electra Glide Police FLHTPI Electra Glide Police FLHTPI |
| 1984 - 1999 | Harley-Davidson |
Harley-Davidson Electra Glide Police FLHTP Electra Glide Police FLHTP |
| 1984 - 1985 | Harley-Davidson |
Harley-Davidson Electra Glide Standard FLHT Electra Glide Standard FLHT |
| 1998 - 1999 | Harley-Davidson |
Harley-Davidson Electra Glide Ultra Classic FLHTCU Electra Glide Ultra Classic FLHTCU |
| 2018 - 2020 | Harley-Davidson |
Harley-Davidson FLDE Deluxe 107 FLDE Deluxe 107 |
| 2018 - 2019 | Harley-Davidson |
Harley-Davidson FLFB Fat Boy 107 FLFB Fat Boy 107 |
| 2018 - 2024 | Harley-Davidson |
Harley-Davidson FLFBS Fat Boy 114 FLFBS Fat Boy 114 |
| 1984 - 1985 | Harley-Davidson |
Harley-Davidson FLH Electra Glide FLH Electra Glide |
| 2021 | Harley-Davidson |
Harley-Davidson FLH Electra Glide Revival FLH Electra Glide Revival |
| 2018 - 2021 | Harley-Davidson |
Harley-Davidson FLHC Heritage Classic 107 FLHC Heritage Classic 107 |
| 2018 - 2024 | Harley-Davidson |
Harley-Davidson FLHCS Heritage Classic 114 FLHCS Heritage Classic 114 |
| 2023 | Harley-Davidson |
Harley-Davidson FLHFB Electra Glide Highway King FLHFB Electra Glide Highway King |
| 1994 - 2022 | Harley-Davidson |
Harley-Davidson FLHR Road King FLHR Road King |
| 1998 - 1999 | Harley-Davidson |
Harley-Davidson FLHRCI Road King Classic FLHRCI Road King Classic |
| 1996 - 1997 | Harley-Davidson |
Harley-Davidson FLHRI Road King FLHRI Road King |
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson FLHRXS Road King Special FLHRXS Road King Special |
| 1984 - 1993 | Harley-Davidson |
Harley-Davidson FLHS Electra Glide Sport FLHS Electra Glide Sport |
| 1986 - 2022 | Harley-Davidson |
Harley-Davidson FLHT Electra Glide Standard FLHT Electra Glide Standard |
| 1984 - 1999 | Harley-Davidson |
Harley-Davidson FLHTC Electra Glide Classic FLHTC Electra Glide Classic |
| 1996 - 1999 | Harley-Davidson |
Harley-Davidson FLHTCI Electra Glide Classic FLHTCI Electra Glide Classic |
| 1989 - 2019 | Harley-Davidson |
Harley-Davidson FLHTCU Electra Glide Ultra Classic FLHTCU Electra Glide Ultra Classic |
| 1995 - 1999 | Harley-Davidson |
Harley-Davidson FLHTCUI Electra Glide Ultra Classic FLHTCUI Electra Glide Ultra Classic |
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson FLHTCUTG Tri Glide Ultra FLHTCUTG Tri Glide Ultra |
| 2022 | Harley-Davidson |
Harley-Davidson FLHTCUTG Tri Glide Ultra G.I. FLHTCUTG Tri Glide Ultra G.I. |
| 2020 - 2022 | Harley-Davidson |
Harley-Davidson FLHTCUTGSE CVO Tri Glide FLHTCUTGSE CVO Tri Glide |
| 2017 - 2024 | Harley-Davidson |
Harley-Davidson FLHTK Ultra Limited FLHTK Ultra Limited |
| 2017 - 2019 | Harley-Davidson |
Harley-Davidson FLHTKL Ultra Limited Low FLHTKL Ultra Limited Low |
| 2017 - 2021 | Harley-Davidson |
Harley-Davidson FLHTKSE CVO Limited FLHTKSE CVO Limited |
| 1984 - 1985 | Harley-Davidson |
Harley-Davidson FLHX Electra Glide Special FLHX Electra Glide Special |
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson FLHX Street Glide FLHX Street Glide |
| 2017 - 2023 | Harley-Davidson |
Harley-Davidson FLHXS Street Glide Special FLHXS Street Glide Special |
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson FLHXSE CVO Street Glide FLHXSE CVO Street Glide |
| 2022 - 2023 | Harley-Davidson |
Harley-Davidson FLHXST Street Glide ST FLHXST Street Glide ST |
| 2024 | Harley-Davidson |
Harley-Davidson FLI Hydra-Glide Revival FLI Hydra-Glide Revival |
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson FLRT Freewheeler FLRT Freewheeler |
| 2018 - 2021 | Harley-Davidson |
Harley-Davidson FLSB Sport Glide 107 FLSB Sport Glide 107 |
| 2018 - 2021 | Harley-Davidson |
Harley-Davidson FLSL Softail Slim 107 FLSL Softail Slim 107 |
| 1986 - 1990 | Harley-Davidson |
Harley-Davidson FLST Heritage Softail FLST Heritage Softail |
| 1988 - 1999 | Harley-Davidson |
Harley-Davidson FLSTC Heritage Softail Classic FLSTC Heritage Softail Classic |
| 1990 - 1999 | Harley-Davidson |
Harley-Davidson FLSTF Fat Boy FLSTF Fat Boy |
| 1993 | Harley-Davidson |
Harley-Davidson FLSTN Heritage Softail Nostalgia FLSTN Heritage Softail Nostalgia |
| 1994 - 1996 | Harley-Davidson |
Harley-Davidson FLSTN Heritage Softail Special FLSTN Heritage Softail Special |
| 1997 - 1999 | Harley-Davidson |
Harley-Davidson FLSTS Heritage Springer FLSTS Heritage Springer |
| 1984 - 1993 | Harley-Davidson |
Harley-Davidson FLTC Tour Glide Classic FLTC Tour Glide Classic |
| 1989 - 1995 | Harley-Davidson |
Harley-Davidson FLTCU Tour Glide Ultra Classic FLTCU Tour Glide Ultra Classic |
| 1996 | Harley-Davidson |
Harley-Davidson FLTCUI Tour Glide Ultra Classic FLTCUI Tour Glide Ultra Classic |
| 1998 - 1999 | Harley-Davidson |
Harley-Davidson FLTR Road Glide FLTR Road Glide |
| 1998 - 1999 | Harley-Davidson |
Harley-Davidson FLTRI Road Glide FLTRI Road Glide |
| 2020 - 2024 | Harley-Davidson |
Harley-Davidson FLTRK Road Glide Limited FLTRK Road Glide Limited |
| 2022 - 2023 | Harley-Davidson |
Harley-Davidson FLTRKSE CVO Road Glide Limited FLTRKSE CVO Road Glide Limited |
| 2023 - 2025 | Harley-Davidson |
Harley-Davidson FLTRT Road Glide 3 FLTRT Road Glide 3 |
| 2017 - 2019 | Harley-Davidson |
Harley-Davidson FLTRU Road Glide Ultra FLTRU Road Glide Ultra |
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson FLTRX Road Glide FLTRX Road Glide |
| 2017 - 2023 | Harley-Davidson |
Harley-Davidson FLTRXS Road Glide Special FLTRXS Road Glide Special |
| 2018 - 2022 | Harley-Davidson |
Harley-Davidson FLTRXSE CVO Road Glide FLTRXSE CVO Road Glide |
| 2022 - 2023 | Harley-Davidson |
Harley-Davidson FLTRXST Road Glide ST FLTRXST Road Glide ST |
| 2018 - 2020 | Harley-Davidson |
Harley-Davidson FXBB Street Bob 107 FXBB Street Bob 107 |
| 2021 - 2024 | Harley-Davidson |
Harley-Davidson FXBBS Street Bob 114 FXBBS Street Bob 114 |
| 2018 - 2019 | Harley-Davidson |
Harley-Davidson FXBR Breakout 107 FXBR Breakout 107 |
| 2023 - 2025 | Harley-Davidson |
Harley-Davidson FXBR Breakout 117 FXBR Breakout 117 |
| 2018 - 2020 | Harley-Davidson |
Harley-Davidson FXBRS Breakout 114 FXBRS Breakout 114 |
| 1995 - 1998 | Harley-Davidson |
Harley-Davidson FXD Dyna Super Glide FXD Dyna Super Glide |
| 1991 - 1992 | Harley-Davidson |
Harley-Davidson FXDB-D Dyna Glide Daytona FXDB-D Dyna Glide Daytona |
| 1991 | Harley-Davidson |
Harley-Davidson FXDB-S Dyna Glide Sturgis FXDB-S Dyna Glide Sturgis |
| 1992 | Harley-Davidson |
Harley-Davidson FXDC Super Glide Custom FXDC Super Glide Custom |
| 1993 - 1998 | Harley-Davidson |
Harley-Davidson FXDL Dyna Low Rider FXDL Dyna Low Rider |
| 2019 - 2020 | Harley-Davidson |
Harley-Davidson FXDRS FXDR 114 FXDRS FXDR 114 |
| 1994 - 1998 | Harley-Davidson |
Harley-Davidson FXDS-Conv Dyna Convertible FXDS-Conv Dyna Convertible |
| 1993 - 1998 | Harley-Davidson |
Harley-Davidson FXDWG Dyna Wide Glide FXDWG Dyna Wide Glide |
| 2018 - 2019 | Harley-Davidson |
Harley-Davidson FXFB Fat Bob 107 FXFB Fat Bob 107 |
| 2018 - 2023 | Harley-Davidson |
Harley-Davidson FXFBS Fat Bob 114 FXFBS Fat Bob 114 |
| 2018 - 2020 | Harley-Davidson |
Harley-Davidson FXLR Low Rider 107 FXLR Low Rider 107 |
| 2020 - 2021 | Harley-Davidson |
Harley-Davidson FXLRS Low Rider S 114 FXLRS Low Rider S 114 |
| 2022 - 2025 | Harley-Davidson |
Harley-Davidson FXLRS Low Rider S 117 FXLRS Low Rider S 117 |
| 2022 - 2025 | Harley-Davidson |
Harley-Davidson FXLRST Low Rider ST 117 FXLRST Low Rider ST 117 |
| 2022 | Harley-Davidson |
Harley-Davidson FXRST Low Rider El Diablo 117 FXRST Low Rider El Diablo 117 |
| 1984 - 1999 | Harley-Davidson |
Harley-Davidson FXST Softail Standard FXST Softail Standard |
| 2020 - 2024 | Harley-Davidson |
Harley-Davidson FXST Softail Standard 107 FXST Softail Standard 107 |
| 1999 | Harley-Davidson |
Harley-Davidson FXSTB Night Train FXSTB Night Train |
| 1986 - 1999 | Harley-Davidson |
Harley-Davidson FXSTC Softail Custom FXSTC Softail Custom |
| 1988 - 1999 | Harley-Davidson |
Harley-Davidson FXSTS Springer Softail FXSTS Springer Softail |
| 1995 - 1997 | Harley-Davidson |
Harley-Davidson FXSTSB Bad Boy FXSTSB Bad Boy |
| 2025 | Harley-Davidson |
Harley-Davidson Freewheeler FLRT Freewheeler FLRT |
| 2025 | Harley-Davidson |
Harley-Davidson Road Glide 3 FLTRT Road Glide 3 FLTRT |
| 2025 | Harley-Davidson |
Harley-Davidson Road Glide Custom FLTRX Road Glide Custom FLTRX |
| 2024 - 2025 | Harley-Davidson |
Harley-Davidson Road Glide Police FLTRXP Road Glide Police FLTRXP |
| 1995 - 1997 | Harley-Davidson |
Harley-Davidson Road King Classic EFI FLHRC Road King Classic EFI FLHRC |
| 1995 - 1999 | Harley-Davidson |
Harley-Davidson Road King EFI FLHR Road King EFI FLHR |
| 2017 - 2025 | Harley-Davidson |
Harley-Davidson Road King Police FLHP Road King Police FLHP |
| 2025 | Harley-Davidson |
Harley-Davidson Softail Breakout FXBR Softail Breakout FXBR |
| 2025 | Harley-Davidson |
Harley-Davidson Softail Fat Boy FLFB Softail Fat Boy FLFB |
| 2025 | Harley-Davidson |
Harley-Davidson Softail Heritage Classic FLHC Softail Heritage Classic FLHC |
| 1986 - 1987 | Harley-Davidson |
Harley-Davidson Softail Heritage Classic FLSTC Softail Heritage Classic FLSTC |
| 2025 | Harley-Davidson |
Harley-Davidson Softail Low Rider S FXLRS Softail Low Rider S FXLRS |
| 2025 | Harley-Davidson |
Harley-Davidson Softail Low Rider ST FXLRST Softail Low Rider ST FXLRST |
| 2022 - 2025 | Harley-Davidson |
Harley-Davidson Softail Street Bob FXBB Softail Street Bob FXBB |
| 2025 | Harley-Davidson |
Harley-Davidson Street Glide EFI FLHX Street Glide EFI FLHX |
| 2025 | Harley-Davidson |
Harley-Davidson Street Glide Ultra FLHXU Street Glide Ultra FLHXU |
| 1994 | Harley-Davidson |
Harley-Davidson Tour Glide Classic FLTC Tour Glide Classic FLTC |
| 1984 - 1986 | Harley-Davidson |
Harley-Davidson Tour Glide FLT Tour Glide FLT |
| 1996 | Harley-Davidson |
Harley-Davidson Tour Glide Ultra Classic FLTCU Tour Glide Ultra Classic FLTCU |
| 2025 | Harley-Davidson |
Harley-Davidson Tri Glide Ultra Classic FLHTCUTG Tri Glide Ultra Classic FLHTCUTG |
Fitment Disclosure
For reference only, please consult your owner’s manual to confirm your fitment.
General Safety Warning
Failure to follow the manufacturer's recommendations and requirements can cause product failure resulting in serious injury or death. While effort has been taken to collect accurate fitment information, 43 Moto accepts no liability for loss or damage resulting from errors or omissions. If you believe any of the information provided is erroneous, please email [email protected].
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