Athena Big Bore Cylinder Kit - 289cc Race Engine Upgrade

Unleash the full potential of your 4-stroke engine with the Athena Big Bore Cylinder Kit. This kit provides a significant performance boost, increasing displacement and optimizing engine efficiency. Experience enhanced power and responsiveness across the entire RPM range.

Description

The Athena Big Bore Cylinder Kit transforms your engine into a powerhouse. Featuring an aluminum cylinder with a nickel-carbide coating, this kit ensures optimal heat dissipation thanks to its enlarged water jackets. The kit includes specially designed, high-performance, hard-anodized power valves that deliver superior flow and combustion. A forged piston with a molybdenum coating maximizes durability and reduces friction. This 289cc cylinder kit, with its 85.00mm bore size and 13.7:1 compression ratio, is engineered for race-level performance and reliability. Upgrade your engine with the Athena Cylinder Kit for a noticeable increase in horsepower and torque.

Features & highlights

• Experience a substantial power increase with the 289cc displacement.
• Enhanced cooling thanks to the aluminum cylinder with nickel-carbide coating and larger water jackets.
• Improved flow and combustion with specially designed, high-performance, hard-anodized power valves.
• Increased durability and reduced friction with the forged piston and molybdenum coating.
• Optimized 13.7:1 compression ratio for maximum performance.
• Direct replacement for easy installation.

Technical specifications

• Brand: Athena
• Part Number: P400210100067
• Base Color: Silver
• Bore Size: 85.00 mm
• Compression Ratio: 13.7:1
• Cylinder Bore Coating: Nickel-Carbide
• Displacement: 289 cc
• Engine Type: 4-Stroke
• Material: Aluminum
• Product Name: Cylinder Kit
• Units: Kit

Important to know

Please note that this kit does not include a cylinder head. The included power valves are specifically designed for this kit and are not compatible with OEM power valves. Verify compatibility with your specific engine model before installation.

Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.

GLS home delivery costs DKK 59.

We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.

There is a 14-day return policy. Read more

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Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
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hello@partsdenmark.com
+45 222 333 29

Best regards,
William Svendsen & Martin Høyer (Owners)