KTM SX-F 350 2011-2012 EXC-F 350 2012 - 2013 90mm 365cc BIG BORE KIT

Boost Your Engine Performance with the Cylinder Works 365cc Big Bore Kit

Take your engine performance to the next level with the Cylinder Works 365cc Big Bore Kit. Designed for riders seeking increased horsepower and displacement, this comprehensive kit provides an efficient and reliable way to revitalize your engine. Engineered for durability and precision, this kit includes everything required for a top-end rebuild that delivers a more exhilarating riding experience.

Key Features and Specifications

• Increased Displacement: Increases your engine displacement to 365cc with a 90mm bore.
• High Compression Ratio: Features a 13.5:1 compression ratio for optimized power delivery.
• Precision Cylinder: Each kit includes a new, non-remanufactured cast aluminum cylinder featuring nickel silicon carbide (NSC) electroplating. This coating provides superior wear resistance and excellent oil retention capabilities.
• Diamond Honed Finish: Cylinders are diamond honed to exact specifications to ensure a perfect ring seal and maximum engine longevity.
• Vertex Forged Piston: Includes a hand-matched Vertex piston forged from high-quality 2618 aluminum alloy, engineered for maximum strength, reduced blow-by, and improved oil consumption.
• Complete Gasket Kit: Comes with a premium top-end gasket set, including head, base, and exhaust gaskets, plus all necessary O-rings for a seamless installation.

Whether you are looking to gain a competitive edge or simply improve the performance of your four-stroke engine, this big bore kit offers the perfect balance of strength, reliability, and power. Every component is hand-matched to ensure optimal fitment and performance right out of the box.