PISTON KIT 05-08 KX250 66.40 C, NAMURA NX-20029-C
PISTON KIT 66.40MM BORE. Piston assemblies include ring(s), wrist pin and circlips. High-performance Namura pistons are engineered in the USA and manufactured in Taiwan using high-silicon content hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life, and reduced scuffing. Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower, and fuel economy. Hard anodized crowns are 75% stronger than non-anodized, providing minimal expansion and reducing the chance of cold seizures when combined with Teflon/Molybdenum coated skirts. MOS2 (Teflon/Molybdenum) coated skirts perform at the highest standards, reducing friction and heat. State-of-the-art CNC equipment and low-expansion, low-friction piston alloy are used, the same used by major Japanese engine manufacturers. Uses an OEM style tin coating to assist the break-in process. Fractional oversize pistons, available for some applications, extend the life of your expensive cylinder by renewing the original clearance if it's slightly worn, avoiding an expensive sleeve installation.
- SKU
- 56-W844.C.NT
- Brand
- Namura Technologies
- Availability
- In Stock (3)
FULL DESCRIPTION
Namura Piston Kit for High Performance and Longevity
This Namura Piston Kit is engineered for superior performance and durability. Manufactured with a high-silicon content hypereutectic cast aluminum material, these pistons offer reduced heat expansion, tighter clearances, increased hardness, and a longer lifespan with reduced scuffing.
Key Features:
- Precision Machined Crowns: Smooth piston crowns are machined to reduce carbon buildup, enhancing horsepower and fuel economy.
- Hard Anodized Crowns: Offer 75% greater strength than non-anodized versions, minimizing expansion and reducing the risk of cold seizures.
- MOS2 Coated Skirts: Teflon/Molybdenum coated skirts operate at the highest standards, effectively reducing friction and heat.
- Advanced Manufacturing: Utilizes state-of-the-art CNC equipment and a low-expansion, low-friction piston alloy favored by major Japanese engine manufacturers.
- OEM Style Tin Coating: Assists in the break-in process for a smooth initial start-up.
- Oversize Options: Fractional oversize pistons are available for select applications, allowing you to renew original clearances and extend cylinder life, avoiding costly sleeve installations.
- Complete Assembly: Piston assemblies include all necessary rings, a wrist pin, and circlips for a straightforward installation.
Engineered in the USA and manufactured in Taiwan, Namura pistons are designed to meet the demands of high-performance engines.


