Athena Stock Bore Race 4-Stroke Cylinder Kit - 400cc - P400510100001

Upgrade your 4-stroke engine with the Athena 400cc Cylinder Kit. This kit delivers enhanced performance and reliability, making it ideal for enthusiasts and racers seeking a competitive edge. The stock bore design ensures compatibility while significantly boosting power output.

Description

The Athena Cylinder Kit features an aluminum cylinder with a nickel-carbide coating, providing exceptional durability and heat dissipation. Ported to Factory Works specifications, this kit optimizes airflow for improved engine performance. The included forged, OEM-style domed piston kit ensures a precise fit and efficient combustion. Experience a noticeable increase in horsepower and torque throughout the RPM range. This kit is designed for easy installation, allowing you to quickly upgrade your engine and get back on the track or trail with enhanced power and responsiveness. The Athena top-end gasket set includes all the necessary seals and hardware for a complete installation, ensuring a leak-free and reliable performance. The 12.2:1 compression ratio is optimized for racing applications.

Features & highlights

• Enhanced engine performance and power output.
• Aluminum cylinder with durable nickel-carbide coating.
• Forged, OEM-style domed piston kit for optimal combustion.
• Factory Works porting for improved airflow.
• Includes Athena top-end gasket set with all necessary hardware.
• Hard anodized power valves for increased durability.

Technical specifications

• Brand: Athena
• Product Name: Cylinder Kit
• MPN: 09310015
• Engine Type: 4-Stroke
• Displacement: 400 cc
• Bore Size: 90.00 mm
• Compression Ratio: 12.2:1
• Cylinder Bore Coating: Nickel-Carbide
• Material: Aluminum
• Base Color: Silver

Important to know

This kit requires high performance, hard anodized power valves (cannot use OEM). Cylinder head is NOT included.