PROX Piston Kit for KTM 520/525SX-EXC '00-07 and 525XC ATV with 11.0:1 Compression - Part Number 01.6521.B

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 with part number 01.6521.B is designed for high-performance applications on KTM 520 and 525SX-EXC models from 2000 to 2007, as well as the 525XC ATV. Crafted for durability and precision, this kit ensures optimal engine performance and longevity. It is ideal for riders seeking reliable replacements or upgrades to maintain their vehicle's peak condition. The kit includes all necessary components for a complete rebuild, simplifying the maintenance process.
Constructed with high-quality materials, the PROX piston features a compression ratio of 11.0:1, delivering enhanced power output and efficiency. The design emphasizes durability under demanding conditions, making it suitable for both recreational riding and competitive racing. The components are engineered to fit seamlessly, ensuring a straightforward installation process without the need for extensive modifications.
Whether you're restoring your KTM or upgrading your ATV, the PROX Piston Kit offers a trusted solution backed by the brand's reputation for precision engineering. Proper installation and maintenance will help extend the lifespan of your engine, providing consistent performance across various riding environments. Trust PROX for reliable, high-performance parts that keep your vehicle operating at its best.

Features:

• Designed for KTM 520/525SX-EXC '00-07 and 525XC ATV models

• Includes all necessary components for complete engine rebuild

• Compression ratio: 11.0:1 for enhanced power output

• High-quality materials for durability and longevity

• Easy installation with precise fitment