PROX Piston Kit for KTM 520/525SX-EXC '00-07 and 525XC ATV - Model 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 (Part Number 01.6521.B) is designed for reliable performance on KTM 520/525SX-EXC models from 2000 to 2007 and the 525XC ATV. This comprehensive kit includes all necessary components for a complete overhaul of your engine's piston system, ensuring optimal power delivery and durability. Crafted with precision, the PROX piston kit features a high-quality construction that withstands the rigors of off-road riding and competitive racing.

Constructed with a compression ratio of 11.0:1, this piston kit offers a significant boost in engine efficiency and responsiveness. The kit's components are engineered to fit seamlessly within the engine's cylinder, providing a perfect seal and consistent performance. Whether you're rebuilding your bike for regular use or preparing it for racing, the PROX piston kit is a dependable choice that meets OEM standards for quality and fit.

Designed for ease of installation, the kit includes all necessary parts, such as piston rings, pin, and clips, making it a complete solution for engine maintenance. Durability and precision are the hallmarks of PROX's manufacturing process, ensuring that your engine runs smoothly and efficiently for miles to come. This piston kit is an essential upgrade for enthusiasts seeking to restore or enhance their KTM or ATV engine's performance.

Features:

• High-quality piston kit designed for KTM 520/525SX-EXC '00-07 and 525XC ATV models

• Includes all essential components for complete engine overhaul

• Compression ratio of 11.0:1 for improved engine efficiency and power

• Precision engineering for seamless fit and reliable performance

• Durable construction to withstand off-road and racing conditions