TOP END PISTON & GASKET KIT 78MM KTM EXC-F 250 20-22, ATHENA P5F0780093001C, SET C

Athena Top End Piston and Gasket Kit

This Athena Top End Piston Kit combines a high-performance forged piston with a complete top-end gasket set, offering an integrated solution for engine repair and enhancement. Athena designs, develops, and rigorously tests all piston technologies and materials in-house, ensuring perfect compatibility with their engineered gasket sets. This precision-tuned kit is designed to deliver superior performance and maximum reliability after a piston replacement.

Key Features:

• Forged 4-Stroke Piston: Manufactured using advanced CNC machines with a special high-silicon aluminum alloy for OE-level reliability, enhanced durability, and improved performance. The smooth piston profile promotes consistent flow and optimal flame propagation. Some pistons feature a molybdenum disulfide coating on the skirts to reduce friction.
• High-Performance Piston Rings: Includes Japanese-made piston rings with wear-resistant coatings (PVD or chromium nitride) to minimize cylinder friction, increase lifespan, and boost performance.
• Reliable Gasket Set: Based on over 40 years of industry experience, Athena gasket kits are developed with extensive know-how and continuous technological advancement. Produced to strict manufacturer parameters using advanced laser cutting technology for exceptional precision. Raw materials are carefully selected, and surface treatments are applied to ensure optimal sealing in critical areas.
• Engineered for Performance: This kit is designed to provide a noticeable improvement in engine power and responsiveness.

Technical Specifications:

• Piston Type: Forged
• Bore Diameter: 77.97 mm
• Compression Height: 19.40 mm
• Compression Ratio: 13.9:1
• Displacement: 250 cc
• Number of Rings: 2
• Piston Pin Type: Biconical
• Big End Pin Diameter: 16x9x38.2 mm