KIT FEATURES:
• All kits sold with valve, spring, retainer, seat to do complete replacement of either intake or exhaust side
• All components are manufactured under iso 9001 certified factories
• Nitride coated components to improve heat transer & carbon buildup for increased valve train life
VALVE FEATURES:
• Forged one-piece construction to help with weight reduction & improved flow
• Performance valves receive a swirl polish, smooth stem treatment, and are made of 21-2n/suh35ht stainless steel
SPRING FEATURES:
• Springs are made of swosc-v material (oil-tempered steel wire)
• Some springs fearture a progressive style design with more coils on one end of the spring
• Progressive springs are heavier on one end and should always be installed towards the bottom
• Non-progressive springs are paint marked and should be installed towards the top
SEATS & RETAINERS:
• Made from 4041 steel (select applications use 707546 aluminum)
• Designed to work with psychic stainless steel valves and springs
The PROX Big-End Pin for the CRF250R is engineered for precise fit and reliable performance in high-stress engine applications. Designed with durability in mind, this component is ideal for rebuilding or maintaining your motorcycle engine to ensure smooth operation and longevity. Crafted from high-quality materials, the pin provides optimal strength and resistance to wear under demanding conditions. Its dimensions are tailored specifically for the CRF250R, ensuring compatibility and ease of installation.
Constructed to meet or exceed OEM standards, the PROX Big-End Pin guarantees a secure fit and dependable performance during engine cycles. Whether you're performing routine maintenance or a complete engine rebuild, this part helps maintain the integrity of your motorcycle's internal components. Trust PROX's reputation for quality and precision engineering to keep your CRF250R running at peak performance for miles to come.
Features:
- Precision-engineered for CRF250R motorcycles
- High-strength material for durability and wear resistance
- Designed for reliable performance under demanding conditions
- Exact dimensions for a perfect fit and easy installation
- Manufactured by PROX to meet or exceed OEM standards
