TOP END PISTON & GASKET KIT 78MM KTM EXC-F 250 17-19, ATHENA P5F0780078001C, SET C
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ATHENA Top End Piston Kit includes a forged 4-stroke piston and top end gasket kit. The piston is manufactured from a special high-performance aluminum alloy with a high silicon content, produced with numerical control (CNC) machines. Some pistons feature a molybdenum disulfide coating on the skirts to reduce friction. The included piston rings are made in Japan and have wear-resistant coatings (PVD or chromium nitride) for increased durability. Athena gasket kits are developed with extensive experience and are produced following strict manufacturer parameters using laser cutting. Technical specifications: Big End Pin Diameter 16x9x38.2 mm, Bore Diameter 77.97 mm, Compression Height 19.40 mm, Compression Ratio 13.9:1, Displacement 250 cc, Number Of Segments 2, Piston Pin Type Biconical, Piston Type Forged. For competitive use only.
- SKU
- 56-T1011.C_ATH
- Brand
- Athena
- Availability
- In Stock (1)
- Variant Id
- 309807
FULL DESCRIPTION
Athena Top End Piston and Gasket Kit
This comprehensive kit combines a high-performance forged 4-stroke piston with a complete top-end gasket set, designed for optimal engine performance and reliability. Athena meticulously develops and tests all piston technologies and compatible gasket materials in-house to ensure a perfectly tuned combination for excellent results.
Key Features:
- Forged 4-Stroke Piston: Crafted from a special high-performance aluminum alloy with a high silicon content for superior reliability, resistance, and performance. Produced using state-of-the-art CNC machines.
- Advanced Piston Design: Features a smooth profile for regular airflow and perfect flame propagation. Some piston skirts include a molybdenum disulfide coating applied by screen printing to reduce friction and enhance durability.
- High-Quality Piston Rings: Made in Japan, these rings offer reduced friction with the cylinder for higher performance. They feature wear-resistant coatings (PVD or chromium nitride) for increased longevity.
- Reliable Gasket Set: Developed with over 40 years of industry experience, Athena gaskets are known for their reliability. Manufactured following strict OEM parameters using latest-generation laser cutting for precise quality.
- Enhanced Sealing: Utilizes a wide availability of raw materials, surface treatments to correct imperfections, and material stress-relieving processes for improved sealing in critical areas.
- Kit Contents: Includes one forged piston and a complete top-end gasket kit.
Technical Specifications:
- Piston Type: Forged
- Bore Diameter: 77.97 mm
- Number of Rings: 2
- Piston Pin Type: Biconical
- Compression Height: 19.40 mm
- Compression Ratio: 13.9:1
- Displacement: 250 cc
- Big End Pin Diameter: 16x9x38.2 mm
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Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
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