Wossner Piston Kit - 4.375" Stroke - 117 CID - M8

Wossner

Wossner

SKU: 90-94361

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Product Details

Wossner Piston Kit - 4.375" Stroke - 117 CID - M8. Fits 39 Harley-Davidson models from 2017 to 2024, including the Electra Glide Police FLHTPI, FLDE Deluxe 107 and FLFB Fat Boy 107. Manufacturer part number K4084D4782.

Features

  • Crown is anodized to improve resistance to extreme heat
  • Tested and proven to improve thermal diffusivity by up to 10%
  • Hardcoat anodize treatment enhances the piston's abilities to manage heat and wear
  • Ring groove wear is improved with anodize treatment ability to handle sliding wear as compared to non-treated surfaces
  • Kit includes piston, piston rings, piston pin and retaining clips

Valve Pocket Specifications:

  • Intake Diameter: 1.780"
  • Intake Depth: 0.200"
  • Intake Angle: 27.000°
  • Exhaust Diameter: 1.780"
  • Exhaust Depth: 0.200"
  • Exhaust Angle: 27.000°

Specifications

Vendor Part Number
K4084D4782
Package Height
4.53
Package Length
10.63
Package Width
6.18
Parts Unlimited #
0910-6683
Bore Size Imperial
4.125"
Brand
Wossner
Compression Ratio
11.0:1
Displacement
117"
Model
Premium Plus Series
Piston Size Imperial
4.122"
Riding Style
Street
Stroke Length (in)
4.375"
Type
Big Bore
Unit of Measure
Kit

Fitment

39 vehicles
Year Make / Model Model
2017 - 2024 Harley-Davidson
Electra Glide Police FLHTPI Electra Glide Police FLHTPI
2018 - 2020 Harley-Davidson
FLDE Deluxe 107 FLDE Deluxe 107
2018 - 2019 Harley-Davidson
FLFB Fat Boy 107 FLFB Fat Boy 107
2021 Harley-Davidson
FLH Electra Glide Revival FLH Electra Glide Revival
2018 - 2021 Harley-Davidson
FLHC Heritage Classic 107 FLHC Heritage Classic 107
2018 - 2024 Harley-Davidson
FLHCS Heritage Classic 114 FLHCS Heritage Classic 114
2017 - 2022 Harley-Davidson
FLHR Road King FLHR Road King
2017 - 2024 Harley-Davidson
FLHRXS Road King Special FLHRXS Road King Special
2019 - 2022 Harley-Davidson
FLHT Electra Glide Standard FLHT Electra Glide Standard
2017 - 2019 Harley-Davidson
FLHTCU Electra Glide Ultra Classic FLHTCU Electra Glide Ultra Classic
2017 - 2024 Harley-Davidson
FLHTK Ultra Limited FLHTK Ultra Limited
2017 - 2019 Harley-Davidson
FLHTKL Ultra Limited Low FLHTKL Ultra Limited Low
2017 - 2021 Harley-Davidson
FLHTKSE CVO Limited FLHTKSE CVO Limited
2017 - 2024 Harley-Davidson
FLHX Street Glide FLHX Street Glide
2017 - 2023 Harley-Davidson
FLHXS Street Glide Special FLHXS Street Glide Special
2017 - 2024 Harley-Davidson
FLHXSE CVO Street Glide FLHXSE CVO Street Glide
2022 - 2023 Harley-Davidson
FLHXST Street Glide ST FLHXST Street Glide ST
2018 - 2021 Harley-Davidson
FLSB Sport Glide 107 FLSB Sport Glide 107
2018 - 2021 Harley-Davidson
FLSL Softail Slim 107 FLSL Softail Slim 107
2020 - 2024 Harley-Davidson
FLTRK Road Glide Limited FLTRK Road Glide Limited
2022 - 2023 Harley-Davidson
FLTRKSE CVO Road Glide Limited FLTRKSE CVO Road Glide Limited
2017 - 2019 Harley-Davidson
FLTRU Road Glide Ultra FLTRU Road Glide Ultra
2017 - 2024 Harley-Davidson
FLTRX Road Glide FLTRX Road Glide
2017 - 2023 Harley-Davidson
FLTRXS Road Glide Special FLTRXS Road Glide Special
2018 - 2024 Harley-Davidson
FLTRXSE CVO Road Glide FLTRXSE CVO Road Glide
2022 - 2023 Harley-Davidson
FLTRXST Road Glide ST FLTRXST Road Glide ST
2018 - 2020 Harley-Davidson
FXBB Street Bob 107 FXBB Street Bob 107
2021 - 2024 Harley-Davidson
FXBBS Street Bob 114 FXBBS Street Bob 114
2018 - 2019 Harley-Davidson
FXBR Breakout 107 FXBR Breakout 107
2023 - 2024 Harley-Davidson
FXBR Breakout 117 FXBR Breakout 117
2018 - 2019 Harley-Davidson
FXFB Fat Bob 107 FXFB Fat Bob 107
2018 - 2020 Harley-Davidson
FXLR Low Rider 107 FXLR Low Rider 107
2020 - 2021 Harley-Davidson
FXLRS Low Rider S 114 FXLRS Low Rider S 114
2022 - 2024 Harley-Davidson
FXLRS Low Rider S 117 FXLRS Low Rider S 117
2022 - 2024 Harley-Davidson
FXLRST Low Rider ST 117 FXLRST Low Rider ST 117
2022 Harley-Davidson
FXRST Low Rider El Diablo 117 FXRST Low Rider El Diablo 117
2020 - 2024 Harley-Davidson
FXST Softail Standard 107 FXST Softail Standard 107
2017 - 2024 Harley-Davidson
Road King Police FLHP Road King Police FLHP
2022 Harley-Davidson
Softail Street Bob FXBB Softail Street Bob FXBB

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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