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Piston Super Duty 4.250" Bore M8 107 To 124" Std 11.4:1

Piston Super Duty 4.250" Bore M8 107 To 124" Std 11.4:1

SKU 824-01830
by KB PISTONS
$0
$465.95 - $465.95
$465.95
$465.95 - $465.95
$465.95


Features:


  • Anodized top ring groove and crown

  • Line2Line abradable skirt coating applied to .003" total thickness for a ZERO initial fit to allow coating to hone in for a tight quiet running clearance

  • Round wire locks

  • Premium Hastings 1.2mm 1.2mm 3.0mm Steel Nitride top ring with a Ductile Napier second

  • Forced wrist pin oiling

  • M8 version with flat top 1.2cc with compression height 1.083", valve pockets sized to accommodate 1mm oversize valves

Fitment:
Harley Davidson FLDE Softail Deluxe 2018
Harley Davidson FLDE Softail Deluxe 2019
Harley Davidson FLDE Softail Deluxe 2020
Harley Davidson FLFB Softail Fat Boy 2018
Harley Davidson FLFB Softail Fat Boy 2019
Harley Davidson FLFB Softail Fat Boy 2020
Harley Davidson FLFB Softail Fat Boy 2021
Harley Davidson FLFBS Softail Fat Boy 114 2018
Harley Davidson FLFBS Softail Fat Boy 114 2019
Harley Davidson FLFBS Softail Fat Boy 114 2020
Harley Davidson FLFBS Softail Fat Boy 114 2021
Harley Davidson FLHC Softail Heritage Classic 2018
Harley Davidson FLHC Softail Heritage Classic 2019
Harley Davidson FLHC Softail Heritage Classic 2020
Harley Davidson FLHC Softail Heritage Classic 2021
Harley Davidson FLHCS Softail Heritage Classic 114 2018
Harley Davidson FLHCS Softail Heritage Classic 114 2019
Harley Davidson FLHCS Softail Heritage Classic 114 2020
Harley Davidson FLHCS Softail Heritage Classic 114 2021
Harley Davidson FLHR Road King 2017
Harley Davidson FLHR Road King 2018
Harley Davidson FLHR Road King 2019
Harley Davidson FLHR Road King 2020
Harley Davidson FLHR Road King 2021
Harley Davidson FLHRC Road King Classic 2017
Harley Davidson FLHRXS Road King Special 2017
Harley Davidson FLHRXS Road King Special 2018
Harley Davidson FLHRXS Road King Special 2019
Harley Davidson FLHRXS Road King Special 2020
Harley Davidson FLHRXS Road King Special 2021
Harley Davidson FLHT Electra Glide 2019
Harley Davidson FLHT Electra Glide 2020
Harley Davidson FLHT Electra Glide 2021
Harley Davidson FLHTCU Electra Glide Ultra Classic 2017
Harley Davidson FLHTCU Electra Glide Ultra Classic 2018
Harley Davidson FLHTCU Electra Glide Ultra Classic 2019
Harley Davidson FLHTCUTG Tri Glide Ultra Classic 2018
Harley Davidson FLHTCUTG Tri Glide Ultra Classic 2019
Harley Davidson FLHTCUTG Tri Glide Ultra Classic 2020
Harley Davidson FLHTCUTG Tri Glide Ultra Classic 2021
Harley Davidson FLHTCUTGSE CVO Tri Glide 2020
Harley Davidson FLHTCUTGSE CVO Tri Glide 2021
Harley Davidson FLHTK Electra Glide Ultra Limited 2018
Harley Davidson FLHTK Electra Glide Ultra Limited 2019
Harley Davidson FLHTK Electra Glide Ultra Limited 2020
Harley Davidson FLHTK Electra Glide Ultra Limited 2021
Harley Davidson FLHTKL Electra Glide Ultra Limited Low 2017
Harley Davidson FLHTKL Electra Glide Ultra Limited Low 2018
Harley Davidson FLHTKL Electra Glide Ultra Limited Low 2019
Harley Davidson FLHTKSE CVO Limited 2018
Harley Davidson FLHTKSE CVO Limited 2019
Harley Davidson FLHTKSE CVO Limited 2020
Harley Davidson FLHTKSE CVO Limited 2021
Harley Davidson FLHX Street Glide 2018
Harley Davidson FLHX Street Glide 2019
Harley Davidson FLHX Street Glide 2020
Harley Davidson FLHX Street Glide 2021
Harley Davidson FLHXS Street Glide Special 2017
Harley Davidson FLHXS Street Glide Special 2018
Harley Davidson FLHXS Street Glide Special 2019
Harley Davidson FLHXS Street Glide Special 2020
Harley Davidson FLHXS Street Glide Special 2021
Harley Davidson FLHXSE CVO Street Glide 2018
Harley Davidson FLHXSE CVO Street Glide 2019
Harley Davidson FLHXSE CVO Street Glide 2020
Harley Davidson FLHXSE CVO Street Glide 2021
Harley Davidson FLRT Freewheeler 2018
Harley Davidson FLRT Freewheeler 2019
Harley Davidson FLRT Freewheeler 2020
Harley Davidson FLRT Freewheeler 2021
Harley Davidson FLSB Softail Sport Glide 2018
Harley Davidson FLSB Softail Sport Glide 2019
Harley Davidson FLSB Softail Sport Glide 2020
Harley Davidson FLSB Softail Sport Glide 2021
Harley Davidson FLSL Softail Slim 2018
Harley Davidson FLSL Softail Slim 2019
Harley Davidson FLSL Softail Slim 2020
Harley Davidson FLSL Softail Slim 2021
Harley Davidson FLTR Road Glide 2018
Harley Davidson FLTR Road Glide 2019
Harley Davidson FLTR Road Glide 2020
Harley Davidson FLTR Road Glide 2021
Harley Davidson FLTRK Road Glide Limited 2020
Harley Davidson FLTRK Road Glide Limited 2021
Harley Davidson FLTRU Road Glide Ultra 2017
Harley Davidson FLTRU Road Glide Ultra 2018
Harley Davidson FLTRU Road Glide Ultra 2019
Harley Davidson FLTRX Road Glide Custom 2020
Harley Davidson FLTRXS Road Glide Special 2017
Harley Davidson FLTRXS Road Glide Special 2018
Harley Davidson FLTRXS Road Glide Special 2019
Harley Davidson FLTRXS Road Glide Special 2020
Harley Davidson FLTRXS Road Glide Special 2021
Harley Davidson FLTRXSE CVO Road Glide 2018
Harley Davidson FLTRXSE CVO Road Glide 2019
Harley Davidson FLTRXSE CVO Road Glide 2020
Harley Davidson FLTRXSE CVO Road Glide 2021
Harley Davidson FXBB Softail Street Bob 2018
Harley Davidson FXBB Softail Street Bob 2019
Harley Davidson FXBB Softail Street Bob 2020
Harley Davidson FXBB Softail Street Bob 2021
Harley Davidson FXBR Softail Breakout 2018
Harley Davidson FXBR Softail Breakout 2019
Harley Davidson FXBRS Softail Breakout 114 2018
Harley Davidson FXBRS Softail Breakout 114 2019
Harley Davidson FXBRS Softail Breakout 114 2020
Harley Davidson FXDR Softail Power Cruiser 2019
Harley Davidson FXDRS Softail FXDR 114 2020
Harley Davidson FXFB Softail Fat Bob 2018
Harley Davidson FXFB Softail Fat Bob 2019
Harley Davidson FXFBS Softail Fat Bob 114 2018
Harley Davidson FXFBS Softail Fat Bob 114 2019
Harley Davidson FXFBS Softail Fat Bob 114 2020
Harley Davidson FXFBS Softail Fat Bob 114 2021
Harley Davidson FXLR Softail Low Rider 2018
Harley Davidson FXLR Softail Low Rider 2019
Harley Davidson FXLR Softail Low Rider 2020
Harley Davidson FXLR Softail Low Rider 2021
Harley Davidson FXLRS Softail Low Rider S 2020
Harley Davidson FXLRS Softail Low Rider S 2021
Harley-Davidson FLHTCUTG Tri Glide Ultra Classic 2017
Harley-Davidson FLHTK Electra Glide Ultra Limited 2017
Harley-Davidson FLHTKSE CVO Limited 2017
Harley-Davidson FLHX Street Glide 2017
Harley-Davidson FLHXSE CVO Street Glide 2017
Harley-Davidson FLTR Road Glide 2017

Verify fitment with your vehicle
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Pickup available at 835 Creative Drive

Usually ready in 2-4 days
Year
Make
Model
2018 - 2020
Harley Davidson
FLDE Softail Deluxe
2018 - 2020
Harley Davidson
FLFB Softail Fat Boy
2018 - 2021
Harley Davidson
FLFBS Softail Fat Boy 114
2021
Harley Davidson
FLH Electra Glide
2018 - 2020
Harley Davidson
FLHC Softail Heritage Classic
2018 - 2021
Harley Davidson
FLHCS Softail Heritage Classic 114
2017 - 2021
Harley Davidson
FLHR Road King
2017
Harley Davidson
FLHRC Road King Classic
2017 - 2021
Harley Davidson
FLHRXS Road King Special
2019 - 2020
Harley Davidson
FLHT Electra Glide
2017 - 2019
Harley Davidson
FLHTCU Electra Glide Ultra Classic
2017 - 2021
Harley Davidson
FLHTCUTG Tri Glide Ultra Classic
2020 - 2021
Harley Davidson
FLHTCUTGSE CVO Tri Glide
2017 - 2021
Harley Davidson
FLHTK Electra Glide Ultra Limited
2017 - 2019
Harley Davidson
FLHTKL Electra Glide Ultra Limited Low
2017 - 2021
Harley Davidson
FLHTKSE CVO Limited
2017 - 2021
Harley Davidson
FLHX Street Glide
2017 - 2021
Harley Davidson
FLHXS Street Glide Special
2017 - 2021
Harley Davidson
FLHXSE CVO Street Glide
2018 - 2021
Harley Davidson
FLRT Freewheeler
2018 - 2021
Harley Davidson
FLSB Softail Sport Glide
2018 - 2021
Harley Davidson
FLSL Softail Slim
2017 - 2020
Harley Davidson
FLTR Road Glide
2020 - 2021
Harley Davidson
FLTRK Road Glide Limited
2017 - 2019
Harley Davidson
FLTRU Road Glide Ultra
2020 - 2021
Harley Davidson
FLTRX Road Glide Custom
2017 - 2021
Harley Davidson
FLTRXS Road Glide Special
2018 - 2021
Harley Davidson
FLTRXSE CVO Road Glide
2018 - 2021
Harley Davidson
FXBB Softail Street Bob
2018 - 2019
Harley Davidson
FXBR Softail Breakout
2018 - 2020
Harley Davidson
FXBRS Softail Breakout 114
2019
Harley Davidson
FXDR Softail Power Cruiser
2020
Harley Davidson
FXDRS Softail FXDR 114
2018 - 2019
Harley Davidson
FXFB Softail Fat Bob
2018 - 2021
Harley Davidson
FXFBS Softail Fat Bob 114
2018 - 2021
Harley Davidson
FXLR Softail Low Rider
2020 - 2021
Harley Davidson
FXLRS Softail Low Rider S

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