REED VALVE BLOCK CAGE KIT CARBON FIBRE 2002-2018 YAMAHA YZ85 4ES-13610-00-00 4ES-13613-00-00

The RAD Valve Block Cage Kit enhances engine performance by improving airflow, increasing horsepower, and reducing reed petal wear. Designed with carbon fibre reeds and advanced aerodynamic features, it allows for efficient operation and simplified maintenance through a screw-free design.

Features

• Reduced reed petal travel for greater efficiency
• Increased airflow delivers more horsepower
• Carbon fibre reed petals reduce wear and extend service life
• Screw-free design eliminates the risk of screw ingestion into the motor
• Screw-free design allows for quick reed petal replacement
• New reed petal resin system with custom carbon fibre lay-up
• Pre-curved reed petals ensure better sealing at the tip
• Wider reed cage enables maximum airflow
• Combined reed tip area increased by 10.5% for greater total airflow
• Airfoil shape on cage tip increases air velocity from outer ports
• Long reed stops progressively slow petal tip velocity for enhanced durability
• Reduced frontal area of central wing by 15.6% with a more aerodynamic profile
• Manufactured using high-tech materials for consistent reliability
• Meets or exceeds OEM specifications
• Direct OEM replacement
• Visual inspection of product image recommended before ordering
• Easy to install; professional installation suggested if uncertain

Cross-Reference OEM Part Numbers

• Force3 V382S-A
• 4ES-13610-00-00
• 4ES-13613-00-00
• 95022-06020-00

Vehicle Fitments

• Yamaha YZ85 (2002–2019)