PROX Piston Kit KTM 520/525SX-EXC 2000-2007 and 525XC ATV with 11.0:1 Compression Ratio - Part Number 01.6521.C

PROX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. PROX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc. PROX Piston Kits for sleeved cylinders are available in standard size and a wide range of oversizes. The availability of oversizes up to 2mm significantly helps to increase the lifespan of a cylinder by offering more re-boring possibilities. PROX pistons for plated cylinders come in standard size, as well as in A, B, C, D+ oversizes. Take advantage of the additional oversizes to extend the lifespan of plated cylinders. All PROX Piston Kits are supplied complete with Piston Rings, Wrist Pin and Circlips, ready to install!

The PROX Piston Kit Part Number 01.6521.C is specially designed for KTM models including the 520 and 525SX-EXC from 2000 to 2007, as well as the 525XC ATV. Crafted with precision, this kit ensures optimal performance and durability for high-performance motorcycle engines. The piston features a compression ratio of 11.0:1, providing enhanced power output and engine efficiency during demanding riding conditions. This comprehensive kit includes all necessary components for a complete rebuild, ensuring proper fit and function for your KTM or ATV engine.
Constructed from high-quality materials, the PROX piston is engineered to withstand the rigors of off-road riding and racing. Its design promotes efficient combustion and heat dissipation, contributing to the engine's longevity and reliable operation. The kit is easy to install with detailed instructions, making it suitable for both professional mechanics and experienced enthusiasts. Trust PROX’s reputation for quality and precision engineering to keep your motorcycle performing at its best.
Whether you're restoring an aging engine or upgrading for increased performance, this piston kit offers an excellent balance of power, durability, and value. Proper installation and maintenance will ensure your KTM or ATV runs smoothly, delivering consistent power across various terrains and riding styles.

Features:

• Designed for KTM 520/525SX-EXC models from 2000-2007 and 525XC ATV

• Includes all necessary components for a complete piston replacement

• Compression ratio of 11.0:1 for enhanced power and efficiency

• Constructed from high-quality materials for durability and heat resistance

• Engineered for easy installation and reliable operation