NEW Genuine Harley M8 4.075 Bore 4.375 Stroke 107-114ci High Comp Kit 21900084

Regular price $699.00
Regular price Sale price $699.00
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Availability: Low stock: 1 left
SKU: 42383
Regular price $699.00
Regular price Sale price $699.00
New Old Stock - Genuine Harley Davidson


Harley Part # 21900084 16800118 16800116 NEW Genuine Harley M8 4.075 Bore 4.375 Stroke 107-114ci High Comp Kit


Removed from Harley Stage 3 kit PN 92500060 

This is Cylinder and high compression piston kit to convert 107 Cubic Inch to 114 Cubic Inch. This kit was part of Screamin eagle Stage 4 IV kit PN 92500060/62. We broke up the kit. These pistons and jugs can only be used on a Factory 107" M8 engine (water or air cooled). Factory M8 107 has a 4- 3/8" (4.375") stroke, so these pistons con only be used on a 4- 3/8" stroke M8 engine.




Fitment: 18-later Softail and 17-later Touring models with Factory 107" 4- 3/8" Stroke M8 Engine.





Fits: 2017 up 107 1st Gen M8 engines 

  • FLDE 1YCJ DELUXE (2018)
  • FLDE 1YCJ DELUXE (2019)
  • FLDE 1YCJ DELUXE (2020)
  • FLFB 1YFJ FAT BOY (2018)
  • FLFB 1YFJ FAT BOY (2019)
  • FLFB 1YFJ FAT BOY (2020)
  • FLHC 1YAJ HERITAGE CLASSIC (2018)
  • FLHC 1YAJ HERITAGE CLASSIC (2019)
  • FLHC 1YAJ HERITAGE CLASSIC (2020)
  • FLHC 1YAJ HERITAGE CLASSIC (2021)
  • FLHP 1FHC ROAD KING POLICE (2017)
  • FLHP 1FHC ROAD KING POLICE (2018)
  • FLHR 1FBC ROAD KING (2017)
  • FLHR 1FBC ROAD KING (2018)
  • FLHR 1FBC ROAD KING (2019)
  • FLHR 1FBC ROAD KING (2020)
  • FLHR 1FBC ROAD KING (2021)
  • FLHR 1FBC ROAD KING (2022)
  • FLHRC 1FRC ROAD KING CLASSIC (2017)
  • FLHRC 1FRC ROAD KING CLASSIC (2018)
  • FLHRC 1FRC ROAD KING CLASSIC (2019)
  • FLHRXS 1KVC ROAD KING SPECIAL (2017)
  • FLHRXS 1KVC ROAD KING SPECIAL (2017)
  • FLHRXS 1KVC ROAD KING SPECIAL (2018)
  • FLHT 1FVC ELECTRA GLIDE STANDARD (2019)
  • FLHT 1FVC ELECTRA GLIDE STANDARD (2020)
  • FLHT 1FVC ELECTRA GLIDE STANDARD (2021)
  • FLHT 1FVC ELECTRA GLIDE STANDARD (2022)
  • FLHTCU 1FCC ELECTRA GLIDE ULTRA CLASSIC (2017)
  • FLHTCU 1FCC ELECTRA GLIDE ULTRA CLASSIC (2018)
  • FLHTCU 1FCC ELECTRA GLIDE ULTRA CLASSIC (2019)
  • FLHTCUTG 1MAD TRI GLIDE ULTRA (2017)
  • FLHTCUTG 1MAD TRI GLIDE ULTRA (2018)
  • FLHTCUTG ANV 1MDD TRI GLIDE ULTRA ANNIVERSARY (2018)
  • FLHTK 1KED ULTRA LIMITED (2017)
  • FLHTK 1KED ULTRA LIMITED (2018)
  • FLHTK ANV 1KWD ULTRA LIMITED ANNIVERSARY (2018)
  • FLHTK SHRINE 1KND ULTRA LIMITED SHRINE (2017)
  • FLHTK SHRINE 1KND ULTRA LIMITED SHRINE EDITION (2018)
  • FLHTKL 1KKD ULTRA LIMITED LOW (2017)
  • FLHTKL 1KKD ULTRA LIMITED LOW (2018)
  • FLHTP 1FMC ELECTRA GLIDE STANDARD POLICE (2017)
  • FLHTP 1FMC ELECTRA GLIDE STANDARD POLICE (2018)
  • FLHX 1KBC STREET GLIDE (2017)
  • FLHX 1KBC STREET GLIDE (2018)
  • FLHX 1KBC STREET GLIDE (2019)
  • FLHX 1KBC STREET GLIDE (2020)
  • FLHX 1KBC STREET GLIDE (2021)
  • FLHX 1KBC STREET GLIDE (2022)
  • FLHX 1KBC STREET GLIDE (2023)
  • FLHX ANV 1KXC STREET GLIDE ANNIVERSARY (2018)
  • FLHXS 1KRC STREET GLIDE SPECIAL (2017)
  • FLHXS 1KRC STREET GLIDE SPECIAL (2018)
  • FLHXS ANX 1KYC STREET GLIDE SPECIAL ANNIVERSARY (2018)
  • FLRT 1MCC FREEWHEELER (2017)
  • FLRT 1MCC FREEWHEELER (2018)
  • FLSB 1YMJ SPORT GLIDE (2018)
  • FLSB 1YMJ SPORT GLIDE (2019)
  • FLSB 1YMJ SPORT GLIDE (2020)
  • FLSB 1YMJ SPORT GLIDE (2021)
  • FLSB 1YMJ SPORT GLIDE (2022)
  • FLSB 1YMJ SPORT GLIDE (2023)
  • FLSB 1YMJ SPORT GLIDE (2024)
  • FLSL 1YDJ SLIM (2018)
  • FLSL 1YDJ SLIM (2021)
  • FLSL 1YDJ SOFTAIL SLIM (2019)
  • FLSL 1YDJ SOFTAIL SLIM (2020)
  • FLTRU 1KGD ROAD GLIDE ULTRA (2017)
  • FLTRU 1KGD ROAD GLIDE ULTRA (2018)
  • FLTRX 1KHC ROAD GLIDE (2017)
  • FLTRX 1KHC ROAD GLIDE (2018)
  • FLTRX 1KHC ROAD GLIDE (2019)
  • FLTRX 1KHC ROAD GLIDE (2020)
  • FLTRX 1KHC ROAD GLIDE (2021)
  • FLTRX 1KHC ROAD GLIDE (2022)
  • FLTRX 1KHC ROAD GLIDE (2023)
  • FLTRXS 1KTC ROAD GLIDE SPECIAL (2017)
  • FLTRXS 1KTC ROAD GLIDE SPECIAL (2018)
  • FXBB 1YJJ STREET BOB (2018)
  • FXBB 1YJJ STREET BOB (2019)
  • FXBB 1YJJ STREET BOB (2020)
  • FXBR 1YEJ BREAKOUT (2018)
  • FXBR 1YEJ BREAKOUT (2019)
  • FXFB 1YKJ FAT BOB (2018)
  • FXFB 1YKJ FAT BOB (2019)
  • FXFB 1YKJ FAT BOB (2020)
  • FXLR 1YNJ LOW RIDER (2018)
  • FXLR 1YNJ LOW RIDER (2019)
  • FXLR 1YNJ LOW RIDER (2020)
  • FXST 1BVJ SOFTAIL STANDARD (2020)
  • FXST 1BVJ SOFTAIL STANDARD (2021)
  • FXST 1BVJ SOFTAIL STANDARD (2022)
  • FXST 1BVJ SOFTAIL STANDARD (2023)
  • FXST 1BVJ SOFTAIL STANDARD (2024)




Fitment catalogs are auto generated and are for reference only. Please look closely at pictures and decide condition and fitment for yourself.