ProX 01.1338.C Piston Kit Honda Compression Pistons - CRF250R/X 12.9 1

The ProX 01.1338.C piston kit delivers OEM-quality performance for Honda CRF250R (2004-2007) and CRF250X (2004-2009) models with a high-performance 12.9:1 compression ratio. Engineered as an economical alternative to factory parts, this complete piston kit maintains the quality and precision demanded by professional riders and mechanics.

Key Features:

• Manufactured in Japan by reputable OEM suppliers to ProX specifications
• 12.9:1 compression ratio for optimized power delivery
• Complete kit includes piston, piston rings, wrist pin, and circlips
• Designed for sleeved cylinder applications
• Available in C oversize for worn cylinders requiring bore work
• Cast construction meets or exceeds original equipment standards

ProX pistons are precision-machined to exact tolerances, ensuring proper ring seal, optimal compression, and reliable performance. This complete kit provides everything needed for a professional piston replacement, eliminating the need to source individual components. Ideal for rebuilds, performance refreshes, or replacing worn factory pistons on high-mileage engines.