Cylinder Works 11-12 KTM 350 SX-F 350cc +2mm Big Bore Cylinder Kit 365cc 13.5:1 Comp. 90mm

OEM in apperance, yet performance driven in design. The Cylinder Works Big Bore Cylinder Kits contain a hand matched big bore Vertex piston and top end gasket kit wtih o-rings in an all-in-one kit, providing cost savings over purchasing OEM components separately.

• High-quality 2618 aluminum alloy for superior strength and durability
• Increased horsepower and engine displacement