RIVA Valve Retainer Upgrade Kit increases the reliability of your engine by reducing the possibility of valve float at high rpm. Includes 12 lightweight, precision-machined titanium valve retainers and 6 OE rocker arm shaft bolts that must be replaced during installation. 

Key Features: 

• Lightweight titanium construction 
• CNC machined for tight fit & maximum durability 
• Designed for use with original 325 valve springs 
• Includes 6 replacement OE rocker arm bolts 
• IJSBA Stock Class legal. 

Applications: 

All 2024 Sea-Doo 1630 4-TEC Engines (325, 300, 230, 170 & 130). Not compatible with 900 engines.