Cylinder Works - cylCW50009K01 - 450cc Standard Bore Cylinder Kit

OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.

• Nickel silicon carbide (NSC) electroplate bore which allows for tighter tolerances, lower friction and extreme durability
• Precision diamoned honed to exact dimensions and proper surface finish to ensure ring seal and oil retention

The Cylinder Works 450cc Standard Bore Cylinder Kit is designed to restore horsepower and performance with an OEM-style replacement package. The kit includes a cast aluminum Cylinder Works cylinder, Vertex piston, and the gaskets needed for installation.

Key Features & Performance Benefits

• OEM-style standard bore design: Provides a replacement solution intended to restore engine horsepower and performance.
• Nickel silicon carbide electroplate bore: Supports tighter tolerances, reduced friction, and durability.
• Precision diamond honing: Finished to exact dimensions with a proper surface finish to support ring sealing and oil retention.
• Complete replacement kit: Combines the cylinder, piston, and required gaskets in one package.

Key Product Specifications & Technical Data

• Brand: Cylinder Works
• Part number: cylCW50009K01
• Part type: Powersports
• Kit type: Standard bore cylinder kit
• Engine displacement: 450cc
• Cylinder material: Cast aluminum
• Bore finish: Nickel silicon carbide electroplate
• Included piston brand: Vertex

What's Included

Cast aluminum Cylinder Works cylinder, Vertex piston, and gaskets needed for installation.

Fitment

Fits 2016–2020 KTM 450 SX-F and 2016–2020 KTM 450 XC-F models.

Fitments:
2016 KTM 450 SX-F Base
2016 KTM 450 XC-F Base
2017 KTM 450 SX-F Base
2017 KTM 450 XC-F Base
2018 KTM 450 SX-F Base
2018 KTM 450 XC-F Base
2019 KTM 450 SX-F Base
2019 KTM 450 XC-F Base
2020 KTM 450 SX-F Base
2020 KTM 450 XC-F Base
2021 KTM 450 SMR Base
2021 KTM 450 SX-F Base
2021 KTM 450 XC-F Base
2022 KTM 450 SMR Base
2022 KTM 450 SX-F Base
2022 KTM 450 XC-F Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: false
Units Per Sku: 1