Car
Boat
Motorcycle
Powersports
Camper
Recreation
Truck
Tools
Guaranteed vehicle fit
Military & first responder discount
Easy Returns
Helmets
CLOSE ✕
Riding Gear
CLOSE ✕
Body Armor
CLOSE ✕
Accessories
CLOSE ✕
Parts
CLOSE ✕
Brake Parts
Cooling Parts
Drivetrain & Transmission Parts
Electrical Parts
Engines Parts
Exhaust Parts
Foot Controls & Pegs
Frame & Body
Fuel Parts
Handlebars & Controls
Ignition System Parts
Mounts & Hardware
Performance Chips & Programmers
Racing Exterior & Body Parts
Starting & Charging Parts
Suspension Parts
Windshield & Fairings
Repair Manuals
Wheels & Tires
CLOSE ✕
Lighting
CLOSE ✕
Electronics
CLOSE ✕
Maintenance
CLOSE ✕
CLOSE ✕
Helmets
Shop all Helmets →
Riding Gear
Shop all Riding Gear →
Body Armor
Shop all Body Armor →
Accessories
Shop all Accessories →
Parts
Shop all Parts →
Brake Parts
Cooling Parts
Drivetrain & Transmission Parts
Electrical Parts
Engines Parts
Exhaust Parts
Foot Controls & Pegs
Frame & Body
Fuel Parts
Handlebars & Controls
Ignition System Parts
Mounts & Hardware
Performance Chips & Programmers
Racing Exterior & Body Parts
Starting & Charging Parts
Suspension Parts
Windshield & Fairings
Repair Manuals
Wheels & Tires
Shop all Wheels & Tires →
Lighting
Shop all Lighting →
Electronics
Shop all Electronics →
Maintenance
Shop all Maintenance →
Women's
Shop all Women's →
SELECT YOUR VEHICLE
CLOSE ✕
2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Black Granite w/ Highlight
Select vehicle for guaranteed fit
$1,643.95
FREE SHIPPING
Out of stock
FREE SHIPPING
Description
The biggest just got bigger! 136 cubic inches of bolt-on power in this cylinder and piston kit.
Fitment
This part fits the following vehicles.
Harley-Davidson
- 2020-2022 FLHTCUTGSE CVO Tri Glide
- 2017-2018, 2020-2021 FLHTKSE CVO Limited
- 2017-2026 FLHXSE CVO Street Glide
- 2022 FLTRKSE CVO Road Glide Limited
- 2018-2025 FLTRXSE CVO Road Glide
- 2025-2026 FLTRXSTSE CVO Road Glide ST
Features & benefits
- Requires 4 5/8 in. Stroker Crank (part #ssc320-0605)
- Works with stock crankcases (no machine work)
- Huge bore increase means huge power increase
- Powder coat finish matches factory finish
- MLS (multi-layered steel) head gaskets
- Includes Cubic Inch Cam Cover Badge
- Retains stock engine height
- 4.320 in. Bore
- Made in USA
Specifications
| Color | Granite |
|---|
Carb Status
California carb status to be completed
CLOSE ✕
Ask AiDE
Fitment Check
This part is vehicle specific - for a guaranteed fit please close this window and select your ride. Click confirm to add to your cart anyway.
S&S CYCLE
2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Black Granite w/ Highlight
Recently viewed products
No image
S&S Cycle
2017+ M8 Models 4.320in Bore Rear Cylinder - Wrinkle Black w/ Highlight
$463.95
No image
S&S Cycle
2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Wrinkle Black w/o Highlight
$1,643.95
No image
S&S Cycle
84-99 BT LSF 3-5/8in Piston Set - .010in
$484.95
No image
ICON Vehicle Dynamics
ICON Shield/Alpha Center Cap - 8x180
$14.45
No image
S&S Cycle
2017+ M8 Models 129in Big-Bore Kit 4.375in Stroke Non-Highlighted Cylinders
$1,643.95
No image
S&S Cycle
2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Wrinkle Black w/ Highlight
$1,643.95
S&S Cycle
2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Wrinkle Black w/o Highlight
$1,643.95
No image
S&S Cycle
84-99 BT LSF 3-5/8in Piston Set - .010in
$484.95
No image
ICON Vehicle Dynamics
ICON Shield/Alpha Center Cap - 8x180
$14.45
No image
S&S Cycle
2017+ M8 Models 129in Big-Bore Kit 4.375in Stroke Non-Highlighted Cylinders
$1,643.95
No image
S&S Cycle
2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Wrinkle Black w/ Highlight
$1,643.95
Unlock Your iD Perks
Subscribe to our newsletter to receive exclusive offers, product recommendations, expert tips and more.