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Cylinder Works

Cylinder Works 13-15 KTM 350 SX-F 350cc Big Bore Cylinder 90mm

$604.95 $574.70 Save $30.25

SKU: C0BU 51003-1

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This cylinder kit is designed for the 2013-2015 KTM 350 SX-F model. It increases horsepower and engine displacement and includes a hand-matched big bore Vertex piston, a top-end gasket kit, and O-rings. Constructed from high-quality 2618 aluminum alloy.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCylinder Works
Part NumberC0BU 51003-1

Videos

Cylinder Works Big Bore Cylinder Kit

Cylinder Works Big Bore Cylinder Kit
Racer X Films: Big Bore KTM 366SX-F

Racer X Films: Big Bore KTM 366SX-F
Racer X Films: 2018 KTM 350 XC-F Garage Build Big-Bore

Racer X Films: 2018 KTM 350 XC-F Garage Build Big-Bore
Most Horsepower Gain For Least Amount Of Money! - Motocross Action Magazine

Most Horsepower Gain For Least Amount Of Money! - Motocross Action Magazine
The NEW Athena piston for KTM SX-F 350 cc dirt bikes 💥

The NEW Athena piston for KTM SX-F 350 cc dirt bikes 💥

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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