## Namura NA-40001-4 Complete Piston Kit - 64.95mm (+1mm) Boost the performance and reliability of your motorcycle or ATV engine with the Namura NA-40001-4 complete piston kit, featuring a 64.95mm (+1mm) diameter. This high-quality piston kit offers an excellent alternative to original equipment manufacturer (OEM) parts, providing significant cost savings compared to replacing the entire cylinder. Namura offers standard size pistons, high-compression pistons, and a variety of oversizes to perfectly match your vehicle's needs. ### Advanced Technology for Optimal Performance The Namura NA-40001-4 piston kit utilizes advanced technologies to guarantee optimal performance and long service life: * **MOS2 (Teflon/Molybdenum) Coating:** The piston skirts are coated with MOS2, which reduces friction, improves heat transfer, and prevents cold seizures. * **Smooth, Machined Head:** The smooth piston head reflects combustion heat and reduces carbon buildup, which can increase horsepower and fuel economy by up to 6%. * **Anodized Dome:** Anodizing the piston dome increases its resistance to high temperatures and ensures exceptional durability. * **Hypereutectic Casting Process:** The hypereutectic casting process ensures higher silicon content, reduced thermal expansion, and increased wear resistance. ### Complete Kit, Ready to Install The Namura NA-40001-4 piston kit includes an individually wrapped piston, a set of OEM quality rings, a wrist pin, and circlips. The +1mm oversize indicates that the piston's diameter is 1mm larger than the nominal cylinder bore. ### Benefits of Choosing a Namura Piston: * **Increased engine performance and reliability.** * **Extended engine life.** * **Cost savings compared to cylinder replacement.** * **Precise manufacturing and high-quality materials.** ### Namura Brand - Guarantee of Quality Namura is a renowned manufacturer of motorcycle parts, known for the high quality of its products. By choosing a Namura piston, you are investing in the reliability and longevity of your engine.