FREE SHIPPING OVER $50!
1 2
S&S CYCLE

128\" Big Bore Cylinder Kit - M8 - Black 2017 - 2020

SKU: 0931-0835
$1,561.95
This product is vehicle specific

Select a vehicle to ensure fitment.

SELECT YOUR VEHICLE

Free shipping over $50!

free shipping to all orders over $50 to USA 48 states only.

Check if you qualify for the GIVE-AWAY !

On September 1st we will be drawing out the winner of our giveaway and the winner will be getting….. Read More

USA based customer service 

Call : 551-341-9472

PRODUCT DETAILS

Description

Big Bore kit yields excellent results with stock cylinder heads

Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)

Cylinders are constructed from premium aluminum castings with cast-in iron liners

Kit includes cylinders, pistons, rings and gaskets (head, base and exhaust)

Made in the U.S.A.

Project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

Specification
Bore Size 4.250\"
Color/Finish Black
Compression Ratio 11.0:1
Displacement 128\"
Material Iron
Product Name Cylinder Kit
Riding Style Street
Stroke Length 4-1 / 2\"
Style Big Bore
Units Kit

Fitment
MakeModelYear
Harley-DavidsonTri Glide Ultra Classic FLHTCUTG2020
Harley-DavidsonTri Glide Ultra Classic FLHTCUTG2018
Harley-DavidsonTri Glide Ultra Classic FLHTCUTG2017
Harley-DavidsonTri Glide Ultra Classic FLHTCUTG2019
Harley-DavidsonElectra Glide Ultra Classic EFI FLHTCUI2019
Harley-DavidsonElectra Glide Ultra Classic EFI FLHTCUI2018
Harley-DavidsonElectra Glide Ultra Classic EFI FLHTCUI2017
Harley-DavidsonCVO Street Glide FLHXSE2018-2019
Harley-DavidsonCVO Street Glide FLHXSE2017
Harley-DavidsonCVO Street Glide FLHXSE2020
Harley-DavidsonStreet Glide EFI FLHX2018
Harley-DavidsonStreet Glide EFI FLHX2017
Harley-DavidsonStreet Glide EFI FLHX2020
Harley-DavidsonStreet Glide EFI FLHX2019
Harley-DavidsonSoftail Standard FXST2020
Harley-DavidsonSoftail Breakout 114 FXBRS2020
Harley-DavidsonSoftail Breakout 114 FXBRS2018-2019
Harley-DavidsonSoftail Fat Bob FXFB2018-2019
Harley-DavidsonSoftail Street Bob FXBB2019
Harley-DavidsonSoftail Street Bob FXBB2018
Harley-DavidsonSoftail Street Bob FXBB2020
Harley-DavidsonRoad King EFI FLHR2017-2018
Harley-DavidsonRoad King EFI FLHR2020
Harley-DavidsonRoad King EFI FLHR2019
Harley-DavidsonRoad Glide Special FLTRXS2020
Harley-DavidsonRoad Glide Special FLTRXS2018-2019
Harley-DavidsonRoad Glide Special FLTRXS2017
Harley-DavidsonCVO Road Glide Custom FLTRXSE2018-2020
Harley-DavidsonRoad Glide Custom FLTRX2020
Harley-DavidsonRoad Glide Custom FLTRX2018-2019
Harley-DavidsonRoad Glide Custom FLTRX2017
Harley-DavidsonSoftail Breakout FXBR2018-2019
Harley-DavidsonSoftail Heritage Classic FLHC2019-2020
Harley-DavidsonSoftail Heritage Classic FLHC2018
Harley-DavidsonFreewheeler FLRT2020
Harley-DavidsonFreewheeler FLRT2019
Harley-DavidsonFreewheeler FLRT2017-2018
Harley-DavidsonRoad King Special FLHRXS2020
Harley-DavidsonRoad King Special FLHRXS2019
Harley-DavidsonRoad King Special FLHRXS2018
Harley-DavidsonRoad King Special FLHRXS2017
Harley-DavidsonSoftail Slim FLSL2018
Harley-DavidsonSoftail Slim FLSL2020
Harley-DavidsonSoftail Slim FLSL2019
Harley-DavidsonSoftail Sport Glide FLSB2020
Harley-DavidsonSoftail Sport Glide FLSB2018-2019
Harley-DavidsonElectra Glide Police FLHTPI2017-2020
Harley-DavidsonElectra Glide Standard EFI FLHTI2020
Harley-DavidsonElectra Glide Standard EFI FLHTI2019
Harley-DavidsonRoad Glide Limited FLTRK2020
Harley-DavidsonSoftail Fat Bob 114 FXFBS2020
Harley-DavidsonSoftail Fat Bob 114 FXFBS2018-2019
Harley-DavidsonSoftail Fat Boy FLFB2018-2019
Harley-DavidsonSoftail Heritage Classic 114 FLHCS2020
Harley-DavidsonSoftail Heritage Classic 114 FLHCS2019
Harley-DavidsonSoftail Heritage Classic 114 FLHCS2018
Harley-DavidsonCVO Tri Glide FLHTCUTGSE2020
Harley-DavidsonStreet Glide Special FLHXS2020
Harley-DavidsonStreet Glide Special FLHXS2018-2019
Harley-DavidsonStreet Glide Special FLHXS2017
Harley-DavidsonCVO Electra Glide Ultra Limited FLHTKSE2017-2020
Harley-DavidsonSoftail Deluxe FLDE2018-2020
Harley-DavidsonSoftail Low Rider FXLR2018
Harley-DavidsonSoftail Low Rider FXLR2020
Harley-DavidsonSoftail Low Rider FXLR2019
Harley-DavidsonFXDR 1142020
Harley-DavidsonFXDR 1142019
Harley-DavidsonSoftail Low Rider S FXLRS2020
Harley-DavidsonElectra Glide Ultra Limited FLHTK2020
Harley-DavidsonElectra Glide Ultra Limited FLHTK2018-2019
Harley-DavidsonElectra Glide Ultra Limited FLHTK2017
Harley-DavidsonSoftail Fat Boy 114 FLFBS2020
Harley-DavidsonSoftail Fat Boy 114 FLFBS2019
Harley-DavidsonSoftail Fat Boy 114 FLFBS2018
Harley-DavidsonElectra Glide Ultra Limited Low FLHTKL2019
Harley-DavidsonElectra Glide Ultra Limited Low FLHTKL2017-2018
Harley-DavidsonRoad Glide Ultra FLTRU2019
Harley-DavidsonRoad Glide Ultra FLTRU2018
Harley-DavidsonRoad Glide Ultra FLTRU2017

Package Info

PropertyValue
Weight29.01
Height12
Length18
Width14.51

S&S CYCLE

128\" Big Bore Cylinder Kit - M8 - Black 2017 - 2020

$1,561.95

Big Bore kit yields excellent results with stock cylinder heads

Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted)

Cylinders are constructed from premium aluminum castings with cast-in iron liners

Kit includes cylinders, pistons, rings and gaskets (head, base and exhaust)

Made in the U.S.A.

Project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

View product