Cylinder Works Big Bore Cylinder Kit 41001-K01 — Suzuki / Arctic Cat / Kawasaki 400cc 2000-2024

Product Description

Unlock more power with the Cylinder Works Big Bore Cylinder Kit. Designed to boost your displacement to 434cc, this kit is the ultimate bolt-on performance upgrade for your 400cc machine. Engineered for reliability, these cylinders feature a premium nickel silicon carbide cylinder sleeve, ensuring long-term durability and superior heat dissipation.

Each kit comes complete with a precision-matched Vertex piston to ensure optimal longevity, performance, and reduced engine noise. Designed to look virtually identical to OEM cylinders, this kit is made in the USA and typically does not require machine work for installation, making your engine rebuild straightforward and highly effective.

Top Features: Cylinder Works Big Bore Kit

• Increases displacement to 434cc for enhanced torque and power
• Includes matching Vertex piston, rings, pin, clips, and gasket set
• Features durable nickel silicon carbide cylinder sleeve technology
• Bolt-on design – requires no machine work for most applications
• Proudly made in the USA for quality assurance

Please review the detailed compatibility data below to ensure an exact fitment match for your motorcycle or ATV before finalizing your purchase.

Fitment List

Frequently Asked Questions

Q: Does this kit require any modifications to my cases?
A: No, this is a bolt-on kit. The cylinder is designed to fit onto your existing crankcases without the need for additional machining in most standard applications.

Q: Is jetting required after installing this big bore kit?
A: Yes, whenever you increase the displacement of your engine, you must re-jet your carburetor or tune your fuel injection mapping to account for the increased air and fuel requirements.

Expert Pro-Tip: When installing a new big bore kit, ensure your cooling system is in top shape. A larger displacement produces more heat; consider upgrading to a higher-flow radiator or a high-pressure radiator cap to keep temperatures stable during aggressive trail or track riding.

Recommended Pairings:
o Suzuki LT-Z400 Performance Parts
o Performance ATV Upgrades
o Motorcycle Tools

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